def propagate(self, wofry_wavefront, mypropagator, return_wavefront_list=False):
from srxraylib.plot.gol import plot_image
# plot_image(wofry_wavefront.get_intensity(),1e6*wofry_wavefront.get_coordinate_x(),1e6*wofry_wavefront.get_coordinate_y(), title="source")
if return_wavefront_list:
w_out = wofry_wavefront.duplicate()
output_wavefronts = []
output_wavefronts.append(wofry_wavefront.duplicate())
for i in range(self.get_beamline_elements_number()):
w_in = w_out.duplicate()
method = 0 # 0 = old, 1=New
if method == 1:
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(beamline_element=self.get_beamline_element_at(i))
propagation_parameters = PropagationParameters(wavefront=w_in,
propagation_elements=propagation_elements)
tmp = self.get_propagator_specific_parameters(i)
propagation_parameters.set_additional_parameters('shift_half_pixel',tmp['shift_half_pixel'])
propagation_parameters.set_additional_parameters('magnification_x',tmp['magnification_x'])
propagation_parameters.set_additional_parameters('magnification_y',tmp['magnification_y'])
else:
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(beamline_element=self.get_beamline_element_at(i),
element_parameters=self.get_propagator_specific_parameters(i))
propagation_parameters = PropagationParameters(wavefront=w_in,
propagation_elements=propagation_elements)
w_out = mypropagator.do_propagation(propagation_parameters=propagation_parameters,
handler_name=self.get_propagator_handler(i))
# plot_image(w_out.get_intensity(),1e6*w_out.get_coordinate_x(),1e6*w_out.get_coordinate_y(),title="oe index: %d"%(i),aspect="auto")
output_wavefronts.append(w_out)
return output_wavefronts
else:
# check all handler are identical
for i in range(self.get_beamline_elements_number()):
assert (self.get_propagator_handler(0) == self.get_propagator_handler(i))
propagation_elements = PropagationElements()
for i in range(self.get_beamline_elements_number()):
propagation_elements.add_beamline_element(beamline_element=self._beamline_elements_list[i],
element_parameters=self.get_propagator_specific_parameters(i))
propagation_parameters = PropagationParameters(wavefront=wofry_wavefront.duplicate(),
propagation_elements=propagation_elements)
w_out = mypropagator.do_propagation(propagation_parameters=propagation_parameters,
handler_name=self.get_propagator_handler(0))
return [w_out]
def apply_M3_focusing(wf_in,focal_x=2.407000):
#
# ===== Example of python code to create propagate current element =====
#
#
# Import section
#
import numpy
from wofry.propagator.propagator import PropagationManager, PropagationElements, PropagationParameters
from syned.beamline.beamline_element import BeamlineElement
from syned.beamline.element_coordinates import ElementCoordinates
from wofry.propagator.propagators1D.fresnel_zoom import FresnelZoom1D
input_wavefront = wf_in.duplicate()
#
# info on current oe
#
#
# -------WOIdealLens---------
# focal_x: 2.407 m # Focal length in x [horizontal]
# focal_y: None m # Focal length in y [vertical]
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.lens import WOIdealLens
optical_element = WOIdealLens(name='', focal_x=focal_x, focal_y=None)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(optical_element=optical_element,
coordinates=ElementCoordinates(p=0.000000, q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x', 1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
return output_wavefront
def _back_propagation_for_size_calculation(self,theta,radiation_flux,photon_energy,
distance=100.0,magnification=0.010000):
"""
Calculate the radiation_flux vs theta at a "distance"
Back propagate to -distance
The result is the size distrubution
:param theta:
:param radiation_flux:
:param photon_energy:
:param distance:
:param magnification:
:return: None; stores results in self._photon_size_distribution
"""
from wofry.propagator.wavefront1D.generic_wavefront import GenericWavefront1D
from wofry.propagator.propagator import PropagationManager, PropagationElements, PropagationParameters
from syned.beamline.beamline_element import BeamlineElement
from syned.beamline.element_coordinates import ElementCoordinates
from wofry.propagator.propagators1D.fresnel_zoom import FresnelZoom1D
from wofry.beamline.optical_elements.ideal_elements.screen import WOScreen1D
input_wavefront = GenericWavefront1D().initialize_wavefront_from_arrays(theta*distance,numpy.sqrt(radiation_flux)+0j)
input_wavefront.set_photon_energy(photon_energy)
input_wavefront.set_spherical_wave(radius=distance,complex_amplitude=numpy.sqrt(radiation_flux)+0j)
# input_wavefront.save_h5_file("tmp2.h5","wfr")
optical_element = WOScreen1D()
#
# propagating
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(optical_element=optical_element,
coordinates=ElementCoordinates(p=0.0,q=-distance,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(wavefront=input_wavefront.duplicate(),propagation_elements = propagation_elements)
propagation_parameters.set_additional_parameters('magnification_x', magnification)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(propagation_parameters=propagation_parameters,handler_name='FRESNEL_ZOOM_1D')
self._result_photon_size_distribution = {"x":output_wavefront.get_abscissas(),"y":output_wavefront.get_intensity()}
def Screen_v(input_wavefront, fresnel=True):
boundary_shape = Rectangle(x_left=-0.5,
x_right=0.5,
y_bottom=-0.5,
y_top=0.5)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit1D
optical_element = WOSlit1D(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.050000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
0.000020)
#
propagator = PropagationManager.Instance()
try:
if fresnel:
propagator.add_propagator(FresnelZoom1D())
else:
propagator.add_propagator(Integral1D())
except:
pass
if fresnel:
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
else:
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='INTEGRAL_1D')
return output_wavefront
def Aperture_40m(input_wavefront):
# from syned.beamline.shape import Rectangle
# note that wavefront 1d will be clipped using the first two coordinates!
boundary_shape = Rectangle(x_left=-2.5e-05,
x_right=2.5e-05,
y_bottom=-2.5e-05,
y_top=2.5e-05)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit1D
optical_element = WOSlit1D(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=11.700000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
0.010000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
return output_wavefront
def ML_size(input_wavefront):
# note that wavefront 1d will be clipped using the first two coordinates!
boundary_shape = Rectangle(x_left=-0.0018849,
x_right=0.0018849,
y_bottom=-0.0018849,
y_top=0.0018849)
optical_element = WOSlit1D(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
return output_wavefront
def propagate_wavefront(wf, propagation_distance, method='srw'):
propagation_elements = PropagationElements()
screen = WOScreen(name="Screen")
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=screen,
coordinates=ElementCoordinates(
p=0, q=propagation_distance)))
# initialize_default_propagator_2D()
propagation_parameters = PropagationParameters(
wavefront=wf, propagation_elements=propagation_elements)
if method == 'fresnel':
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters,
Fresnel2D.HANDLER_NAME)
elif method == 'srw':
propagation_parameters.set_additional_parameters("srw_autosetting", 0)
wf1 = propagator.do_propagation(propagation_parameters,
FresnelSRW.HANDLER_NAME)
elif method == 'pynx':
wf1 = propagator.do_propagation(propagation_parameters,
FresnelPYNX.HANDLER_NAME)
elif method == 'pynx2':
wf1 = propagator.do_propagation(propagation_parameters,
FraunhoferPYNX.HANDLER_NAME)
elif method == 'pynx3':
wf1 = propagator.do_propagation(propagation_parameters,
FrtPYNX.HANDLER_NAME)
else:
raise Exception("Not implemented method: %s" % method)
return wf1
def Aperture_40m_V_open(input_wavefront):
boundary_shape = Rectangle(x_left=-0.5,
x_right=0.5,
y_bottom=-0.5,
y_top=0.5)
optical_element = WOSlit1D(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=11.700000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
0.640000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
return output_wavefront
def ML_28p3(input_wavefront):
#
# define current oe
#
optical_element = WOIdealLens(name='', focal_x=8.277750, focal_y=None)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
return output_wavefront
def propagation_in_vacuum(wf,
propagation_distance=30.0,
defocus_factor=1.0,
propagation_steps=1):
#
# define image plane
#
propagation_elements = PropagationElements()
#
if propagation_steps == 1:
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=Screen(),
coordinates=ElementCoordinates(
p=0, q=propagation_distance)))
else:
for i in range(propagation_steps):
propagation_elements.add_beamline_element(
BeamlineElement(
optical_element=Screen(),
coordinates=ElementCoordinates(p=0,
q=propagation_distance /
propagation_steps)))
propagation_parameters = PropagationParameters(
wavefront=wf, propagation_elements=propagation_elements)
if USE_PROPAGATOR == 'fft':
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters,
Fresnel2D.HANDLER_NAME)
elif USE_PROPAGATOR == 'srw':
propagation_parameters.set_additional_parameters(
"srw_autosetting", False)
wf1 = propagator.do_propagation(propagation_parameters,
FresnelSRW.HANDLER_NAME)
elif USE_PROPAGATOR == 'convolution':
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters,
FresnelConvolution2D.HANDLER_NAME)
else:
raise Exception("Not implemented method: %s" % USE_PROPAGATOR)
horizontal_profile = wf1.get_intensity()[:, int(wf1.size()[1] / 2)]
horizontal_profile /= horizontal_profile.max()
print("FWHM of the horizontal profile: %g um" %
(1e6 * line_fwhm(horizontal_profile) * wf1.delta()[0]))
vertical_profile = wf1.get_intensity()[int(wf1.size()[0] / 2), :]
vertical_profile /= vertical_profile.max()
print("FWHM of the vertical profile: %g um" %
(1e6 * line_fwhm(vertical_profile) * wf1.delta()[1]))
print("Output intensity: ", wf1.get_intensity().sum())
return wf1, wf1.get_coordinate_x(), horizontal_profile
def propagate_wavefront(wavefront,
distance,
handler_name=Fresnel1D.HANDLER_NAME,
zoom=0.005):
wavefront_inside = wavefront.duplicate()
slit = WOSlit1D(name="PIRRONE2",
boundary_shape=Rectangle(
-0.00005,
0.00005,
-0.00005,
0.00005,
))
coordinates = ElementCoordinates(p=0.0, q=0.0)
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=slit, coordinates=coordinates))
parameters = PropagationParameters(
wavefront=wavefront_inside, propagation_elements=propagation_elements)
parameters.set_additional_parameters("shift_half_pixel", 1)
parameters.set_additional_parameters("magnification_x", zoom)
output_wf_1 = propagator.do_propagation(propagation_parameters=parameters,
handler_name=handler_name)
screen = WOScreen(name="PIRRONE")
coordinates = ElementCoordinates(p=0.0, q=distance)
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=screen, coordinates=coordinates))
parameters = PropagationParameters(
wavefront=output_wf_1, propagation_elements=propagation_elements)
parameters.set_additional_parameters("shift_half_pixel", 1)
parameters.set_additional_parameters("magnification_x", zoom)
output_wf_2 = propagator.do_propagation(propagation_parameters=parameters,
handler_name=handler_name)
return output_wf_2
# Build the beamline
beamline.add_beamline_element(WiserBeamlineElement(optical_element=ww_s))
beamline.add_beamline_element(
WiserBeamlineElement(optical_element=ww_pm1_h))
beamline.add_beamline_element(
WiserBeamlineElement(optical_element=ww_kb_v))
beamline.add_beamline_element(
WiserBeamlineElement(optical_element=ww_kb_h))
beamline.add_beamline_element(WiserBeamlineElement(optical_element=ww_sl))
beamline.add_beamline_element(WiserBeamlineElement(optical_element=ww_d_v))
beamline.add_beamline_element(WiserBeamlineElement(optical_element=ww_d_h))
parameters = PropagationParameters(
wavefront=WiseWavefront(wise_computation_results=None),
propagation_elements=beamline)
parameters.set_additional_parameters("single_propagation", False)
parameters.set_additional_parameters("NPools", 1)
#
wavefront = PropagationManager.Instance().do_propagation(
propagation_parameters=parameters,
handler_name=WiserPropagator.HANDLER_NAME)
#
beamline_before = beamline
# # Plot the result
plot(d_v)
plot(d_h)
#
# # Insert an element
beamline.insert_beamline_element(
radius = 28.3
wavefront.set_spherical_wave(radius=radius)
scale_factor = 1
screen = WOScreen(name="PIRRONE")
coordinates = ElementCoordinates(p=0.0, q=-scale_factor * radius)
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=screen, coordinates=coordinates))
parameters = PropagationParameters(
wavefront=wavefront, propagation_elements=propagation_elements)
parameters.set_additional_parameters("shift_half_pixel", 1)
parameters.set_additional_parameters("magnification_x", 0.005)
parameters.set_additional_parameters("magnification_y", 0.005)
output_wf_1 = propagator.do_propagation(
propagation_parameters=parameters, handler_name=Fresnel2D.HANDLER_NAME)
output_wf_2 = propagator.do_propagation(
propagation_parameters=parameters,
handler_name=FresnelZoomXY2D.HANDLER_NAME)
plot_image(output_wf_1.get_intensity(),
output_wf_1.get_coordinate_x() * 1e6,
output_wf_1.get_coordinate_y() * 1e6,
title="WF1 - " + Fresnel2D.HANDLER_NAME)
plot_image(output_wf_2.get_intensity(),
def test_propagate_2D_fraunhofer_phase(self,do_plot=do_plot,aperture_type='square',
aperture_diameter=40e-6,
pixelsize_x=1e-6,pixelsize_y=1e-6,npixels_x=1024,npixels_y=1024,
propagation_distance=30.0,wavelength=1.24e-10):
print("\n# ")
print("# far field 2D (fraunhofer) diffraction from a square aperture ")
print("# ")
method = "fraunhofer"
print("Fraunhoffer diffraction valid for distances > > a^2/lambda = %f m"%((aperture_diameter/2)**2/wavelength))
wf = GenericWavefront2D.initialize_wavefront_from_range(x_min=-pixelsize_x*npixels_x/2,x_max=pixelsize_x*npixels_x/2,
y_min=-pixelsize_y*npixels_y/2,y_max=pixelsize_y*npixels_y/2,
number_of_points=(npixels_x,npixels_y),wavelength=wavelength)
wf.set_plane_wave_from_complex_amplitude((1.0+0j))
propagation_elements = PropagationElements()
slit = None
if aperture_type == 'square':
slit = WOSlit(boundary_shape=Rectangle(-aperture_diameter/2, aperture_diameter/2, -aperture_diameter/2, aperture_diameter/2))
elif aperture_type == 'gaussian':
slit = WOGaussianSlit(boundary_shape=Rectangle(-aperture_diameter/2, aperture_diameter/2, -aperture_diameter/2, aperture_diameter/2))
else:
raise Exception("Not implemented! (accepted: circle, square, gaussian)")
propagation_elements.add_beamline_element(BeamlineElement(optical_element=slit,
coordinates=ElementCoordinates(p=0, q=propagation_distance)))
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(wavefront=wf,
propagation_elements=propagation_elements)
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1_fraunhofer = propagator.do_propagation(propagation_parameters, Fraunhofer2D.HANDLER_NAME)
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
propagation_parameters.set_additional_parameters("magnification_x", 1.5)
propagation_parameters.set_additional_parameters("magnification_y", 2.5)
wf1_zoom = propagator.do_propagation(propagation_parameters, FresnelZoomXY2D.HANDLER_NAME)
if aperture_type == 'circle':
wf.clip_circle(aperture_diameter/2)
elif aperture_type == 'square':
wf.clip_square(-aperture_diameter/2, aperture_diameter/2,-aperture_diameter/2, aperture_diameter/2)
elif aperture_type == 'gaussian':
X = wf.get_mesh_x()
Y = wf.get_mesh_y()
window = numpy.exp(- (X*X + Y*Y)/2/(aperture_diameter/2.35)**2)
wf.rescale_amplitudes(window)
else:
raise Exception("Not implemented! (accepted: circle, square, gaussian)")
if do_plot:
plot_image(wf.get_intensity(),1e6*wf.get_coordinate_x(),1e6*wf.get_coordinate_y(),
title="aperture intensity (%s), Diameter=%5.1f um"%
(aperture_type,1e6*aperture_diameter),xtitle="X [um]",ytitle="Y [um]",
show=0)
plot_image(wf1_fraunhofer.get_intensity(),1e6*wf1_fraunhofer.get_coordinate_x(),1e6*wf1_fraunhofer.get_coordinate_y(),
title="2D Diffracted intensity (%s) by a %s slit of aperture %3.1f um"%
(aperture_type,"Fraunhofer",1e6*aperture_diameter),
xtitle="X [urad]",ytitle="Y [urad]",
show=0)
plot_image(wf1_zoom.get_intensity(),1e6*wf1_zoom.get_coordinate_x(),1e6*wf1_zoom.get_coordinate_y(),
title="2D Diffracted intensity (%s) by a %s slit of aperture %3.1f um"%
(aperture_type,"Zoom",1e6*aperture_diameter),
xtitle="X [urad]",ytitle="Y [urad]",
show=0)
intensity_calculated_fraunhofer = wf1_fraunhofer.get_intensity()[:,int(wf1_fraunhofer.size()[1]/2)]
intensity_calculated_fraunhofer /= intensity_calculated_fraunhofer.max()
intensity_calculated_zoom = wf1_zoom.get_intensity()[:,int(wf1_fraunhofer.size()[1]/2)]
intensity_calculated_zoom /= intensity_calculated_zoom.max()
phase_calculated_fraunhofer = wf1_fraunhofer.get_phase()[:,int(wf1_fraunhofer.size()[1]/2)]
phase_calculated_fraunhofer = numpy.unwrap(phase_calculated_fraunhofer)
phase_calculated_zoom = wf1_zoom.get_phase()[:,int(wf1_zoom.size()[1]/2)]
phase_calculated_zoom = numpy.unwrap(phase_calculated_zoom)
if do_plot:
plot(wf1_fraunhofer.get_coordinate_x()*1e6/propagation_distance, intensity_calculated_fraunhofer,
wf1_zoom.get_coordinate_x()*1e6 /propagation_distance, intensity_calculated_zoom,
legend=["Fraunhofer H profile","Zoom H profile"],legend_position=(0.95, 0.95),
title="2D Diffraction of a %s slit of %3.1f um at wavelength of %3.1f A"%
(aperture_type,aperture_diameter*1e6,wavelength*1e10),
xtitle="X (urad)", ytitle="Intensity",xrange=[-80,80],show=0)
plot(wf1_fraunhofer.get_coordinate_x()*1e6/propagation_distance, phase_calculated_fraunhofer,
wf1_zoom.get_coordinate_x()*1e6 /propagation_distance, phase_calculated_zoom,
legend=["Fraunhofer H profile","Zoom H profile"],legend_position=(0.95, 0.95),
title="2D Diffraction of a %s slit of %3.1f um at wavelength of %3.1f A"%
(aperture_type,aperture_diameter*1e6,wavelength*1e10),
xtitle="X (urad)", ytitle="Phase",xrange=[-80,80])
numpy.testing.assert_almost_equal(1e-3*intensity_calculated_fraunhofer,1e-3*intensity_calculated_zoom,1)
def test_propagate_2D_fraunhofer(self,do_plot=do_plot,aperture_type='square',aperture_diameter=40e-6,
pixelsize_x=1e-6,pixelsize_y=1e-6,npixels_x=1024,npixels_y=1024,wavelength=1.24e-10):
"""
:param do_plot: 0=No plot, 1=Do plot
:param aperture_type: 'circle' 'square' 'gaussian' (Gaussian sigma = aperture_diameter/2.35)
:param aperture_diameter:
:param pixelsize_x:
:param pixelsize_y:
:param npixels_x:
:param npixels_y:
:param wavelength:
:return:
"""
print("\n# ")
print("# far field 2D (fraunhofer) diffraction from a square aperture ")
print("# ")
method = "fraunhofer"
print("Fraunhoffer diffraction valid for distances > > a^2/lambda = %f m"%((aperture_diameter/2)**2/wavelength))
wf = GenericWavefront2D.initialize_wavefront_from_range(x_min=-pixelsize_x*npixels_x/2,x_max=pixelsize_x*npixels_x/2,
y_min=-pixelsize_y*npixels_y/2,y_max=pixelsize_y*npixels_y/2,
number_of_points=(npixels_x,npixels_y),wavelength=wavelength)
wf.set_plane_wave_from_complex_amplitude((1.0+0j))
propagation_elements = PropagationElements()
slit = None
if aperture_type == 'square':
slit = WOSlit(boundary_shape=Rectangle(-aperture_diameter/2, aperture_diameter/2, -aperture_diameter/2, aperture_diameter/2))
elif aperture_type == 'gaussian':
slit = WOGaussianSlit(boundary_shape=Rectangle(-aperture_diameter/2, aperture_diameter/2, -aperture_diameter/2, aperture_diameter/2))
else:
raise Exception("Not implemented! (accepted: circle, square, gaussian)")
propagation_elements.add_beamline_element(BeamlineElement(optical_element=slit,
coordinates=ElementCoordinates(p=0, q=1.0)))
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(wavefront=wf,
propagation_elements=propagation_elements)
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters, Fraunhofer2D.HANDLER_NAME)
if aperture_type == 'circle':
wf.clip_circle(aperture_diameter/2)
elif aperture_type == 'square':
wf.clip_square(-aperture_diameter/2, aperture_diameter/2,-aperture_diameter/2, aperture_diameter/2)
elif aperture_type == 'gaussian':
X = wf.get_mesh_x()
Y = wf.get_mesh_y()
window = numpy.exp(- (X*X + Y*Y)/2/(aperture_diameter/2.35)**2)
wf.rescale_amplitudes(window)
else:
raise Exception("Not implemented! (accepted: circle, square, gaussian)")
if do_plot:
plot_image(wf.get_intensity(),1e6*wf.get_coordinate_x(),1e6*wf.get_coordinate_y(),
title="aperture intensity (%s), Diameter=%5.1f um"%
(aperture_type,1e6*aperture_diameter),xtitle="X [um]",ytitle="Y [um]",
show=0)
plot_image(wf1.get_intensity(),1e6*wf1.get_coordinate_x(),1e6*wf1.get_coordinate_y(),
title="2D Diffracted intensity (%s) by a %s slit of aperture %3.1f um"%
(aperture_type,method,1e6*aperture_diameter),
xtitle="X [urad]",ytitle="Y [urad]",
show=0)
angle_x = wf1.get_coordinate_x() # + 0.5*wf1.delta()[0] # shifted of half-pixel!!!
intensity_theory = get_theoretical_diffraction_pattern(angle_x,
aperture_type=aperture_type,aperture_diameter=aperture_diameter,
wavelength=wavelength,normalization=True)
intensity_calculated = wf1.get_intensity()[:,int(wf1.size()[1]/2)]
intensity_calculated /= intensity_calculated.max()
if do_plot:
plot(wf1.get_coordinate_x()*1e6,intensity_calculated,
angle_x*1e6,intensity_theory,
legend=["Calculated (FT) H profile","Theoretical"],legend_position=(0.95, 0.95),
title="2D Fraunhofer Diffraction of a %s slit of %3.1f um at wavelength of %3.1f A"%
(aperture_type,aperture_diameter*1e6,wavelength*1e10),
xtitle="X (urad)", ytitle="Intensity",xrange=[-80,80])
numpy.testing.assert_almost_equal(intensity_calculated,intensity_theory,1)
def propagation_with_lens(self,do_plot=do_plot,method='fft',
wavelength=1.24e-10,
pixelsize_x=1e-6,npixels_x=2000,pixelsize_y=1e-6,npixels_y=2000,
propagation_distance=30.0,defocus_factor=1.0,propagation_steps=1,show=1):
method_label = "fresnel (%s)"%method
print("\n# ")
print("# near field fresnel (%s) diffraction and focusing "%(method_label))
print("# ")
# \ | /
# * | | | *
# / | \
# <------- d ---------------><--------- d ------->
# d is propagation_distance
# wf = Wavefront2D.initialize_wavefront_from_steps(x_start=-pixelsize_x*npixels_x/2,
# x_step=pixelsize_x,
# y_start=-pixelsize_y*npixels_y/2,
# y_step=pixelsize_y,
# wavelength=wavelength,
# number_of_points=(npixels_x,npixels_y))
wf = GenericWavefront2D.initialize_wavefront_from_range(x_min=-pixelsize_x*npixels_x/2,x_max=pixelsize_x*npixels_x/2,
y_min=-pixelsize_y*npixels_y/2,y_max=pixelsize_y*npixels_y/2,
number_of_points=(npixels_x,npixels_y),wavelength=wavelength)
propagation_elements = PropagationElements()
spherical_or_plane_and_lens = 1
if spherical_or_plane_and_lens == 0:
# set spherical wave at the lens entrance (radius=distance)
wf.set_spherical_wave(complex_amplitude=1.0,radius=-propagation_distance)
propagation_elements.add_beamline_element(BeamlineElement(optical_element=WOScreen(),
coordinates=ElementCoordinates(p=0, q=propagation_distance)))
else:
# apply lens that will focus at propagation_distance downstream the lens.
# Note that the vertical is a bit defocused
wf.set_plane_wave_from_complex_amplitude(1.0+0j)
focal_length = propagation_distance # / 2
propagation_elements.add_beamline_element(BeamlineElement(optical_element=
WOIdealLens("IdealLens",focal_x=focal_length, focal_y=focal_length),
coordinates=ElementCoordinates(p=0, q=propagation_distance)))
print("Incident intensity: ", wf.get_intensity().sum())
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(wavefront=wf,
propagation_elements=propagation_elements)
if method == 'fft':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters, Fresnel2D.HANDLER_NAME)
elif method == 'convolution':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters, FresnelConvolution2D.HANDLER_NAME)
elif method == 'fraunhofer':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters, Fraunhofer2D.HANDLER_NAME)
elif method == 'zoom':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
propagation_parameters.set_additional_parameters("magnification_x", 1.5)
propagation_parameters.set_additional_parameters("magnification_y", 2.5)
wf1 = propagator.do_propagation(propagation_parameters, FresnelZoomXY2D.HANDLER_NAME)
else:
raise Exception("Not implemented method: %s"%method)
horizontal_profile = wf1.get_intensity()[:, int(wf.size()[1]/2)]
horizontal_profile /= horizontal_profile.max()
print("FWHM of the horizontal profile: %g um"%(1e6*line_fwhm(horizontal_profile)*wf1.delta()[0]))
vertical_profile = wf1.get_intensity()[int(wf1.size()[0]/2),:]
vertical_profile /= vertical_profile.max()
print("FWHM of the vertical profile: %g um"%(1e6*line_fwhm(vertical_profile)*wf1.delta()[1]))
if do_plot:
from srxraylib.plot.gol import plot,plot_image
plot_image(wf1.get_intensity(),wf1.get_coordinate_x(),wf1.get_coordinate_y(),title='intensity (%s)'%method,show=0)
plot_image(wf1.get_phase(),wf1.get_coordinate_x(),wf1.get_coordinate_y(),title='phase (%s)'%method,show=0)
plot(wf1.get_coordinate_x(),horizontal_profile,
wf1.get_coordinate_y(),vertical_profile,
legend=['Horizontal profile','Vertical profile'],title="%s"%method,show=show)
print("Output intensity: ",wf1.get_intensity().sum())
return wf1.get_coordinate_x(),horizontal_profile
def propagate_2D_fresnel(self,do_plot=do_plot,method='fft',
wavelength=1.24e-10,aperture_type='square',aperture_diameter=40e-6,
pixelsize_x=1e-6,pixelsize_y=1e-6,npixels_x=1024,npixels_y=1024,
propagation_distance = 30.0,show=1,
use_additional_parameters_input_way=1, # 0=default (common), 1=new (specific))
):
method_label = "fresnel (%s)"%method
print("\n# ")
print("# 2D near field fresnel (%s) diffraction from a %s aperture "%(method_label,aperture_type))
print("# ")
# wf = Wavefront2D.initialize_wavefront_from_steps(x_start=-pixelsize_x*npixels_x/2,
# x_step=pixelsize_x,
# y_start=-pixelsize_y*npixels_y/2,
# y_step=pixelsize_y,
# wavelength=wavelength,
# number_of_points=(npixels_x,npixels_y))
wf = GenericWavefront2D.initialize_wavefront_from_range(x_min=-pixelsize_x*npixels_x/2,x_max=pixelsize_x*npixels_x/2,
y_min=-pixelsize_y*npixels_y/2,y_max=pixelsize_y*npixels_y/2,
number_of_points=(npixels_x,npixels_y),wavelength=wavelength)
wf.set_plane_wave_from_complex_amplitude((1.0+0j))
propagation_elements = PropagationElements()
slit = None
if aperture_type == 'square':
slit = WOSlit(boundary_shape=Rectangle(-aperture_diameter/2, aperture_diameter/2, -aperture_diameter/2, aperture_diameter/2))
elif aperture_type == 'gaussian':
slit = WOGaussianSlit(boundary_shape=Rectangle(-aperture_diameter/2, aperture_diameter/2, -aperture_diameter/2, aperture_diameter/2))
else:
raise Exception("Not implemented! (accepted: circle, square, gaussian)")
if use_additional_parameters_input_way == 0:
propagation_elements.add_beamline_element(BeamlineElement(optical_element=slit,
coordinates=ElementCoordinates(p=0, q=propagation_distance)))
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(wavefront=wf,
propagation_elements=propagation_elements)
if method == 'fft':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters, Fresnel2D.HANDLER_NAME)
elif method == 'convolution':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters, FresnelConvolution2D.HANDLER_NAME)
elif method == 'integral':
propagation_parameters.set_additional_parameters("shuffle_interval", 0)
propagation_parameters.set_additional_parameters("calculate_grid_only", 1)
wf1 = propagator.do_propagation(propagation_parameters, Integral2D.HANDLER_NAME)
elif method == 'zoom':
propagation_parameters.set_additional_parameters("shift_half_pixel", True)
propagation_parameters.set_additional_parameters("magnification_x", 2.0)
propagation_parameters.set_additional_parameters("magnification_y", 0.5)
wf1 = propagator.do_propagation(propagation_parameters, FresnelZoomXY2D.HANDLER_NAME)
else:
raise Exception("Not implemented method: %s"%method)
else:
if method == 'fft':
additional_parameters = {"shift_half_pixel":True}
elif method == 'convolution':
additional_parameters = {"shift_half_pixel":True}
elif method == 'integral':
additional_parameters = {"shuffle_interval":0,
"calculate_grid_only":1}
elif method == 'zoom':
additional_parameters = {"shift_half_pixel":True,
"magnification_x":2.0,
"magnification_y":0.5}
else:
raise Exception("Not implemented method: %s"%method)
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=slit,coordinates=ElementCoordinates(p=0, q=propagation_distance)),
element_parameters=additional_parameters)
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(wavefront=wf,
propagation_elements=propagation_elements)
if method == 'fft':
wf1 = propagator.do_propagation(propagation_parameters, Fresnel2D.HANDLER_NAME)
elif method == 'convolution':
wf1 = propagator.do_propagation(propagation_parameters, FresnelConvolution2D.HANDLER_NAME)
elif method == 'integral':
wf1 = propagator.do_propagation(propagation_parameters, Integral2D.HANDLER_NAME)
elif method == 'zoom':
wf1 = propagator.do_propagation(propagation_parameters, FresnelZoomXY2D.HANDLER_NAME)
else:
raise Exception("Not implemented method: %s"%method)
if do_plot:
from srxraylib.plot.gol import plot_image
plot_image(wf.get_intensity(),1e6*wf.get_coordinate_x(),1e6*wf.get_coordinate_y(),
title="aperture intensity (%s), Diameter=%5.1f um"%
(aperture_type,1e6*aperture_diameter),xtitle="X [um]",ytitle="Y [um]",
show=0)
plot_image(wf1.get_intensity(),
1e6*wf1.get_coordinate_x()/propagation_distance,
1e6*wf1.get_coordinate_y()/propagation_distance,
title="Diffracted intensity (%s) by a %s slit of aperture %3.1f um"%
(aperture_type,method_label,1e6*aperture_diameter),
xtitle="X [urad]",ytitle="Y [urad]",
show=0)
# get the theoretical value
angle_x = wf1.get_coordinate_x() / propagation_distance
intensity_theory = get_theoretical_diffraction_pattern(angle_x,aperture_type=aperture_type,aperture_diameter=aperture_diameter,
wavelength=wavelength,normalization=True)
intensity_calculated = wf1.get_intensity()[:,int(wf1.size()[1]/2)]
intensity_calculated /= intensity_calculated.max()
if do_plot:
from srxraylib.plot.gol import plot
plot(wf1.get_coordinate_x()*1e6/propagation_distance,intensity_calculated,
angle_x*1e6,intensity_theory,
legend=["%s H profile"%method_label,"Theoretical (far field)"],
legend_position=(0.95, 0.95),
title="%s diffraction of a %s slit of %3.1f um at wavelength of %3.1f A"%
(method_label,aperture_type,aperture_diameter*1e6,wavelength*1e10),
xtitle="X (urad)", ytitle="Intensity",xrange=[-20,20],
show=show)
return wf1.get_coordinate_x()/propagation_distance,intensity_calculated,angle_x,intensity_theory
def run_wofry():
#
# create/import your input_wavefront (THIS IS A PLACEHOLDER - REPLACE WITH YOUR SOURCE)
#
#
from wofry.propagator.wavefront2D.generic_wavefront import GenericWavefront2D
input_wavefront = GenericWavefront2D.load_h5_file(
"/users/srio/Working/paper-hierarchical/WORKSPACES/tmp.h5", "wfr")
# initialize_wavefront_from_range(-10e-6,10e-6,-100e-6,100e-6,(200,100),1e-10)
#
# info on current oe
#
#
# -------WOScreen---------
# -------BoundaryShape---------
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.screen import WOScreen
optical_element = WOScreen()
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=28.300000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
8.000000)
propagation_parameters.set_additional_parameters('magnification_y',
10.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOSlit---------
# -------Rectangle---------
# x_left: -0.0018849 m # x (width) minimum (signed)
# x_right: 0.0018849 m # x (width) maximum (signed)
# y_bottom: -0.0018849 m # y (length) minimum (signed)
# y_top: 0.0018849 m # y (length) maximum (signed)
#
#
# define current oe
#
from syned.beamline.shape import Rectangle
boundary_shape = Rectangle(x_left=-0.0018849,
x_right=0.0018849,
y_bottom=-0.0018849,
y_top=0.0018849)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit
optical_element = WOSlit(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
propagation_parameters.set_additional_parameters('magnification_y',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOIdealLens---------
# focal_x: 8.319 m # Focal length in x [horizontal]
# focal_y: 99999999999999.0 m # Focal length in y [vertical]
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.lens import WOIdealLens
optical_element = WOIdealLens(name='',
focal_x=8.319000,
focal_y=99999999999999.000000)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
propagation_parameters.set_additional_parameters('magnification_y',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOSlit---------
# -------Rectangle---------
# x_left: -2.5e-05 m # x (width) minimum (signed)
# x_right: 2.5e-05 m # x (width) maximum (signed)
# y_bottom: -0.5 m # y (length) minimum (signed)
# y_top: 0.5 m # y (length) maximum (signed)
#
#
# define current oe
#
from syned.beamline.shape import Rectangle
boundary_shape = Rectangle(x_left=-2.5e-05,
x_right=2.5e-05,
y_bottom=-0.5,
y_top=0.5)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit
optical_element = WOSlit(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=11.700000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
0.010000)
propagation_parameters.set_additional_parameters('magnification_y',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
#
# ######################### KB #########################################
#
#
#
# info on current oe
#
#
# -------WOSlit---------
# -------Rectangle---------
# x_left: -0.025 m # x (width) minimum (signed)
# x_right: 0.025 m # x (width) maximum (signed)
# y_bottom: -0.00045 m # y (length) minimum (signed)
# y_top: 0.00045 m # y (length) maximum (signed)
#
#
# define current oe
#
from syned.beamline.shape import Rectangle
boundary_shape = Rectangle(x_left=-0.025,
x_right=0.025,
y_bottom=-0.00045,
y_top=0.00045)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit
optical_element = WOSlit(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=144.900000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
440.000000)
propagation_parameters.set_additional_parameters('magnification_y',
5.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOIdealLens---------
# focal_x: 100000000.0 m # Focal length in x [horizontal]
# focal_y: 0.09994594594594594 m # Focal length in y [vertical]
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.lens import WOIdealLens
optical_element = WOIdealLens(name='',
focal_x=100000000.000000,
focal_y=0.099946)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
propagation_parameters.set_additional_parameters('magnification_y',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOSlit---------
# -------Rectangle---------
# x_left: -0.000195 m # x (width) minimum (signed)
# x_right: 0.000195 m # x (width) maximum (signed)
# y_bottom: -0.0065 m # y (length) minimum (signed)
# y_top: 0.0065 m # y (length) maximum (signed)
#
#
# define current oe
#
from syned.beamline.shape import Rectangle
boundary_shape = Rectangle(x_left=-0.000195,
x_right=0.000195,
y_bottom=-0.0065,
y_top=0.0065)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit
optical_element = WOSlit(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.050000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
propagation_parameters.set_additional_parameters('magnification_y',
0.500000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOIdealLens---------
# focal_x: 0.049982758620701014 m # Focal length in x [horizontal]
# focal_y: 100000000.0 m # Focal length in y [vertical]
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.lens import WOIdealLens
optical_element = WOIdealLens(name='',
focal_x=0.049983,
focal_y=100000000.000000)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
propagation_parameters.set_additional_parameters('magnification_y',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOSlit---------
# -------Rectangle---------
# x_left: -0.5 m # x (width) minimum (signed)
# x_right: 0.5 m # x (width) maximum (signed)
# y_bottom: -0.5 m # y (length) minimum (signed)
# y_top: 0.5 m # y (length) maximum (signed)
#
#
# define current oe
#
from syned.beamline.shape import Rectangle
boundary_shape = Rectangle(x_left=-0.5,
x_right=0.5,
y_bottom=-0.5,
y_top=0.5)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit
optical_element = WOSlit(boundary_shape=boundary_shape)
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.050000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
0.000070)
propagation_parameters.set_additional_parameters('magnification_y',
0.000090)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
input_wavefront = output_wavefront
return input_wavefront
def propagate_from_M3_to_sample(wf_in, magnification_x=0.01):
#
# ===== Example of python code to create propagate current element =====
#
#
# Import section
#
import numpy
from wofry.propagator.propagator import PropagationManager, PropagationElements, PropagationParameters
from syned.beamline.beamline_element import BeamlineElement
from syned.beamline.element_coordinates import ElementCoordinates
from wofry.propagator.propagators1D.fresnel_zoom import FresnelZoom1D
input_wavefront = wf_in.duplicate()
#
# info on current oe
#
#
# -------WOScreen1D---------
# -------BoundaryShape---------
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.screen import WOScreen1D
optical_element = WOScreen1D()
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=2.6393000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
magnification_x)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
if do_plot:
plot_wavefront_intensity(output_wavefront,
title="propagation M3 to sample")
return output_wavefront
def slit_schermo(input_wavefront):
#
# ===== Example of python code to create propagate current element =====
#
#
# Import section
#
import numpy
from wofry.propagator.propagator import PropagationManager, PropagationElements, PropagationParameters
from syned.beamline.beamline_element import BeamlineElement
from syned.beamline.element_coordinates import ElementCoordinates
from wofry.propagator.propagators2D.fresnel_zoom_xy import FresnelZoomXY2D
#
# info on current oe
#
#
# -------WOSlit---------
# -------Rectangle---------
# x_left : -0.5 m # x (width) minimum (signed)
# x_right : 0.5 m # x (width) maximum (signed)
# y_bottom : -0.5 m # y (length) minimum (signed)
# y_top : 0.5 m # y (length) maximum (signed)
#
#
# define current oe
#
from syned.beamline.shape import Rectangle
boundary_shape = Rectangle(x_left=-0.500000,
x_right=0.500000,
y_bottom=-0.500000,
y_top=0.500000)
from wofry.beamline.optical_elements.absorbers.slit import WOSlit
optical_element = WOSlit(boundary_shape=boundary_shape)
#
# propagating
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.050000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
0.000070)
propagation_parameters.set_additional_parameters('magnification_y',
0.000090)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
return output_wavefront, beamline_element
def ideal_lens_KBh(input_wavefront):
#
# ===== Example of python code to create propagate current element =====
#
#
# Import section
#
import numpy
from wofry.propagator.propagator import PropagationManager, PropagationElements, PropagationParameters
from syned.beamline.beamline_element import BeamlineElement
from syned.beamline.element_coordinates import ElementCoordinates
from wofry.propagator.propagators2D.fresnel_zoom_xy import FresnelZoomXY2D
#
# info on current oe
#
#
# -------WOIdealLens---------
# focal_x: 0.049982758620701014 m # Focal length in x [horizontal]
# focal_y: 100000000.0 m # Focal length in y [vertical]
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.lens import WOIdealLens
optical_element = WOIdealLens(name='',
focal_x=0.049983,
focal_y=100000000.000000)
#
# propagating
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters('magnification_x',
1.000000)
propagation_parameters.set_additional_parameters('magnification_y',
1.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoomXY2D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
return output_wavefront, beamline_element
# propagating
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(p=30.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront, propagation_elements=propagation_elements)
#self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x', 50.0)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
#
#---- plots -----
#
if plot_from_oe <= 1:
plot(output_wavefront.get_abscissas(),
def run_whole_beamline(
error_file_M1="/home/manuel/Oasys/dabam_profile_140327232022424.dat",
correction_file_M3=None,
calculate_correction=True):
#
# source
#
output_wavefront = calculate_wavefront1D(wavelength=4.9593679373280105e-09,
wavefront_position=1,
undulator_length=3.98,
undulator_distance=13.73,
x_min=-0.00147,
x_max=0.00147,
number_of_points=3000,
add_random_phase=False)
#
# M1
#
input_wavefront = output_wavefront
output_wavefront, abscissas_on_mirror, height = calculate_output_wavefront_after_reflector1D(
input_wavefront,
radius=496600.0,
grazing_angle=0.0218,
error_flag=1,
error_file=error_file_M1,
write_profile=1)
#
# screen at M3 position
#
#
# Import section
#
from wofry.propagator.propagator import PropagationManager, PropagationElements, PropagationParameters
from syned.beamline.beamline_element import BeamlineElement
from syned.beamline.element_coordinates import ElementCoordinates
from wofry.propagator.propagators1D.fresnel_zoom import FresnelZoom1D
input_wavefront = output_wavefront
#
# info on current oe
#
#
# -------WOScreen1D---------
# -------BoundaryShape---------
#
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.screen import WOScreen1D
optical_element = WOScreen1D()
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=13.599000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
2.000000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
#
# M3 circlular mirror
#
input_wavefront = output_wavefront
output_wavefront, abscissas_on_mirror, height = calculate_output_wavefront_after_reflector1D(
input_wavefront,
radius=220.71532,
grazing_angle=0.02181,
error_flag=0,
error_file="",
write_profile=0)
#
# M3 corrector (not needed)
#
if calculate_correction:
input_wavefront = output_wavefront
output_wavefront, target_wavefront, abscissas_on_mirror, height = calculate_output_wavefront_after_corrector1D(
input_wavefront,
grazing_angle=0.02181,
focus_at=2.64,
apodization=0,
apodization_ratio=6.0,
write_correction_profile=1)
# from srxraylib.plot.gol import plot
# plot(output_wavefront.get_abscissas(),output_wavefront.get_intensity())
if correction_file_M3 is not None:
#
# M3 corrector from external file
#
input_wavefront = output_wavefront
output_wavefront, abscissas_on_mirror, height = calculate_output_wavefront_after_reflector1D(
input_wavefront,
radius=100000000.0,
grazing_angle=0.02181,
error_flag=1,
error_file=correction_file_M3,
write_profile=0)
#
# propagation to sample
#
input_wavefront = output_wavefront
#
# define current oe
#
from wofry.beamline.optical_elements.ideal_elements.screen import WOScreen1D
optical_element = WOScreen1D()
#
# propagating (*** ONLY THE ZOOM PROPAGATOR IS IMPLEMENTED ***)
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=0.000000,
q=2.640000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
propagation_parameters.set_additional_parameters('magnification_x',
0.020000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
return output_wavefront
def test_propagate_1D_fraunhofer_phase(self, do_plot=do_plot):
# aperture_type="square"
# aperture_diameter = 40e-6
# wavefront_length = 800e-6
# wavelength = 1.24e-10
# npoints=1024
# propagation_distance=40
show = 1
aperture_type = "square"
aperture_diameter = 40e-6
wavefront_length = 800e-6
wavelength = 1.24e-10
propagation_distance = 30.0
npoints = 1024
print(
"\n# ")
print(
"# far field 1D (fraunhofer and zoom) diffraction from a %s aperture "
% aperture_type)
print("# ")
wf = GenericWavefront1D.initialize_wavefront_from_range(
x_min=-wavefront_length / 2,
x_max=wavefront_length / 2,
number_of_points=npoints,
wavelength=wavelength)
wf.set_plane_wave_from_complex_amplitude(
(2.0 + 1.0j)) # an arbitraty value
propagation_elements = PropagationElements()
if aperture_type == 'square':
slit = WOSlit1D(boundary_shape=Rectangle(-aperture_diameter /
2, aperture_diameter /
2, 0, 0))
else:
raise Exception("Not implemented! ")
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=slit,
coordinates=ElementCoordinates(
p=0, q=propagation_distance)))
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(
wavefront=wf, propagation_elements=propagation_elements)
wf1_franuhofer = propagator.do_propagation(propagation_parameters,
Fraunhofer1D.HANDLER_NAME)
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
propagation_parameters.set_additional_parameters(
"magnification_x", 1.5)
wf1_zoom = propagator.do_propagation(propagation_parameters,
FresnelZoom1D.HANDLER_NAME)
intensity_fraunhofer = wf1_franuhofer.get_intensity(
) / wf1_franuhofer.get_intensity().max()
intensity_zoom = wf1_zoom.get_intensity() / wf1_zoom.get_intensity(
).max()
if do_plot:
from srxraylib.plot.gol import plot
plot(
wf1_franuhofer.get_abscissas() * 1e6 / propagation_distance,
intensity_fraunhofer,
wf1_zoom.get_abscissas() * 1e6 / propagation_distance,
intensity_zoom,
legend=["Fraunhofer", "Zoom"],
legend_position=(0.95, 0.95),
title=
"1D INTENSITY diffraction from aperture of %3.1f um at wavelength of %3.1f A"
% (aperture_diameter * 1e6, wavelength * 1e10),
xtitle="X (urad)",
ytitle="Intensity",
xrange=[-20, 20],
show=show)
plot(
wf1_franuhofer.get_abscissas() * 1e6 / propagation_distance,
wf1_franuhofer.get_phase(unwrap=1),
wf1_zoom.get_abscissas() * 1e6 / propagation_distance,
wf1_zoom.get_phase(unwrap=1),
legend=["Fraunhofer", "Zoom"],
legend_position=(0.95, 0.95),
title=
"1D diffraction from a %s aperture of %3.1f um at wavelength of %3.1f A"
% (aperture_type, aperture_diameter * 1e6, wavelength * 1e10),
xtitle="X (urad)",
ytitle="Intensity",
xrange=[-20, 20],
show=show)
def backpropagate(
cls,
input_wavefront,
distance=-100.0,
handler_name='FRESNEL_ZOOM_1D', # 'INTEGRAL_1D', #
magnification_x=1.0, # used for handler_name='FRESNEL_ZOOM_1D' or 'INTEGRAL_1D',
magnification_N=10.0, # only used if handler_name='INTEGRAL_1D',
):
#
plot_from_oe = 100 # set to a large number to avoid plots
########## OPTICAL ELEMENT NUMBER 1 ##########
# input_wavefront = output_wavefront.duplicate()
from wofryimpl.beamline.optical_elements.ideal_elements.screen import WOScreen1D
optical_element = WOScreen1D()
# drift_before 35 m
#
# propagating
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(
p=distance,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront,
propagation_elements=propagation_elements)
# self.set_additional_parameters(propagation_parameters)
#
if handler_name == 'FRESNEL_ZOOM_1D':
propagation_parameters.set_additional_parameters(
'magnification_x', magnification_x)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
elif handler_name == 'INTEGRAL_1D':
propagation_parameters.set_additional_parameters(
'magnification_x', magnification_x)
propagation_parameters.set_additional_parameters(
'magnification_N', magnification_N)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(Integral1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='INTEGRAL_1D')
else:
raise Exception("Unknown propagator % s" % handler_name)
#
# ---- plots -----
#
if plot_from_oe <= 1:
plot(output_wavefront.get_abscissas() * 1e6,
output_wavefront.get_intensity(),
title='OPTICAL ELEMENT NR 1',
xtitle="x [um]",
show=0)
return output_wavefront
pass
for i, beamline_element in enumerate(
bl.get_beamline_elements()): #bl.get_beamline_elements_number()):
#
# propagating single element
#
print(">> Propagating element %d of %d" %
(i + 1, bl.get_beamline_elements_number()))
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=wfr.duplicate(),
propagation_elements=propagation_elements)
propagation_parameters.set_additional_parameters('shift_half_pixel', 1)
propagation_parameters.set_additional_parameters(
'magnification_x', magnification_x[i])
propagation_parameters.set_additional_parameters(
'magnification_y', magnification_y[i])
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_XY_2D')
wfr = output_wavefront
plot_image(wfr.get_intensity(),
1e6 * wfr.get_coordinate_x(),
1e6 * wfr.get_coordinate_y(),
title="Image",
xtitle="X [um]",
#
# define image plane
#
propagation_elements = PropagationElements()
#
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=Screen(),
coordinates=ElementCoordinates(
p=0, q=propagation_distance)))
propagation_parameters = PropagationParameters(
wavefront=wf, propagation_elements=propagation_elements)
#
method = 'fft'
#
if method == 'fft':
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters,
Fresnel2D.HANDLER_NAME)
elif method == 'srw':
# wf1 = propagator.do_propagation(propagation_parameters, FresnelSRW.HANDLER_NAME)
raise Exception("To be implemented using wofrysrw")
elif method == 'convolution':
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters,
FresnelConvolution2D.HANDLER_NAME)
elif method == 'fraunhofer':
propagation_parameters.set_additional_parameters(
"shift_half_pixel", True)
wf1 = propagator.do_propagation(propagation_parameters,
Fraunhofer2D.HANDLER_NAME)
def propagate_1D(
self,
do_plot=do_plot,
method='fft',
wavelength=1.24e-10,
aperture_type='square',
aperture_diameter=40e-6,
wavefront_length=100e-6,
npoints=500,
propagation_distance=30.0,
normalization=True, # TODO put False
show=1,
amplitude=(0.0 + 1.0j)):
print(
"\n# ")
print("# 1D (%s) propagation from a %s aperture " %
(method, aperture_type))
print("# ")
wf = GenericWavefront1D.initialize_wavefront_from_range(
x_min=-wavefront_length / 2,
x_max=wavefront_length / 2,
number_of_points=npoints,
wavelength=wavelength)
wf.set_plane_wave_from_complex_amplitude(
amplitude) # an arbitraty value
deltax = wf.get_abscissas()[1] - wf.get_abscissas()[0]
propagation_elements = PropagationElements()
slit = None
if aperture_type == 'square':
slit = WOSlit1D(boundary_shape=Rectangle(-aperture_diameter /
2, aperture_diameter /
2, 0, 0))
elif aperture_type == 'gaussian':
slit = WOGaussianSlit1D(
boundary_shape=Rectangle(-aperture_diameter /
2, aperture_diameter / 2, 0, 0))
else:
raise Exception(
"Not implemented! (accepted: circle, square, gaussian)")
propagation_elements.add_beamline_element(
BeamlineElement(optical_element=slit,
coordinates=ElementCoordinates(
p=0, q=propagation_distance)))
propagator = PropagationManager.Instance()
propagation_parameters = PropagationParameters(
wavefront=wf, propagation_elements=propagation_elements)
print("Using propagator method: ", method)
fresnel_analytical = True
if method == 'fft':
wf1 = propagator.do_propagation(propagation_parameters,
Fresnel1D.HANDLER_NAME)
elif method == 'convolution':
wf1 = propagator.do_propagation(propagation_parameters,
FresnelConvolution1D.HANDLER_NAME)
elif method == 'integral':
propagation_parameters.set_additional_parameters(
"magnification_x", 1.5)
propagation_parameters.set_additional_parameters(
"magnification_N", 2.0)
wf1 = propagator.do_propagation(propagation_parameters,
Integral1D.HANDLER_NAME)
elif method == 'fraunhofer':
fresnel_analytical = False
# propagation_parameters.set_additional_parameters("shift_half_pixel", 0)
wf1 = propagator.do_propagation(propagation_parameters,
Fraunhofer1D.HANDLER_NAME)
elif method == 'zoom':
propagation_parameters.set_additional_parameters(
"magnification_x", 1.5)
wf1 = propagator.do_propagation(propagation_parameters,
FresnelZoom1D.HANDLER_NAME)
else:
raise Exception("Not implemented method: %s" % method)
if fresnel_analytical:
xx, alpha = fresnel_analytical_rectangle(
fresnel_number=None,
propagation_distance=propagation_distance,
aperture_half=0.5 * aperture_diameter,
wavelength=wavelength,
detector_array=wf1.get_abscissas(),
npoints=None)
else:
xx, alpha = fraunhofer_analytical_rectangle(
fresnel_number=None,
propagation_distance=propagation_distance,
aperture_half=0.5 * aperture_diameter,
wavelength=wavelength,
detector_array=wf1.get_abscissas(),
npoints=None)
angle_x = xx / propagation_distance
intensity_theory = numpy.abs(amplitude * alpha)**2
intensity_calculated = wf1.get_intensity()
if normalization:
intensity_calculated /= intensity_calculated.max()
intensity_theory /= intensity_theory.max()
if do_plot:
from srxraylib.plot.gol import plot
plot(
wf1.get_abscissas() * 1e6 / propagation_distance,
intensity_calculated,
angle_x * 1e6,
intensity_theory,
legend=["%s " % method, "analytical"],
legend_position=(0.95, 0.95),
title=
"1D (%s) diffraction from a %s aperture of %3.1f um at \n wavelength of %3.1f A"
% (method, aperture_type, aperture_diameter * 1e6,
wavelength * 1e10),
xtitle="X (urad)",
ytitle="Intensity",
xrange=[-20, 20],
ylog=True,
show=show)
plot(
wf1.get_abscissas() * 1e6,
wf1.get_phase(unwrap=True),
1e6 * xx,
numpy.unwrap(numpy.angle(alpha)),
legend=["%s " % method, "analytical"],
title=
"1D (%s) diffraction from a %s aperture of %3.1f um at \n wavelength of %3.1f A NOT ASSERTED!!"
% (method, aperture_type, aperture_diameter * 1e6,
wavelength * 1e10),
xtitle="X (urad)",
ytitle="Phase",
# xrange=[-20, 20],
)
return wf1.get_abscissas(
) / propagation_distance, intensity_calculated, intensity_theory
def do_wise_calculation(self):
if self.input_data is None:
raise Exception("No Input Data!")
optical_element = self.get_optical_element(
self.get_inner_wise_optical_element())
wise_optical_element = optical_element.wise_optical_element
wise_optical_element.CoreOptics.ComputationSettings.Ignore = (
self.ignore == 1)
if self.use_small_displacements == 1:
wise_optical_element.CoreOptics.ComputationSettings.UseSmallDisplacements = True # serve per traslare/ruotare l'EO
wise_optical_element.CoreOptics.SmallDisplacements.Rotation = numpy.deg2rad(
self.rotation)
wise_optical_element.CoreOptics.SmallDisplacements.Trans = self.transverse * self.workspace_units_to_m # Transverse displacement (rispetto al raggio uscente, magari faremo scegliere)
wise_optical_element.CoreOptics.SmallDisplacements.Long = self.longitudinal * self.workspace_units_to_m # Longitudinal displacement (idem)
else:
wise_optical_element.CoreOptics.ComputationSettings.UseSmallDisplacements = False
wise_optical_element.CoreOptics.SmallDisplacements.Rotation = 0.0
wise_optical_element.CoreOptics.SmallDisplacements.Trans = 0.0
wise_optical_element.CoreOptics.SmallDisplacements.Long = 0.0
if self.use_figure_error == 1:
wise_optical_element.CoreOptics.ComputationSettings.UseFigureError = True
wise_optical_element.CoreOptics.FigureErrorLoad(
File=self.figure_error_file,
Step=self.figure_error_step *
self.workspace_units_to_m, # passo del file
AmplitudeScaling=self.figure_error_amplitude_scaling *
self.figure_error_um_conversion # fattore di scala
)
else:
wise_optical_element.CoreOptics.ComputationSettings.UseFigureError = False
if self.use_roughness == 1:
self.use_roughness = 0
self.set_UseRoughness()
raise NotImplementedError("Roughness Not yet supported")
else:
wise_optical_element.CoreOptics.ComputationSettings.UseRoughness = False
if self.calculation_type == 0:
wise_optical_element.ComputationSettings.UseCustomSampling = False
else:
# l'utente decide di impostare a mano il campionamento
wise_optical_element.ComputationSettings.UseCustomSampling = True
wise_optical_element.ComputationSettings.NSamples = self.number_of_points
output_data = self.input_data.duplicate()
input_wavefront = output_data.wise_wavefront
if output_data.wise_beamline is None:
output_data.wise_beamline = WisePropagationElements()
output_data.wise_beamline.add_beamline_element(
WiseBeamlineElement(optical_element=optical_element))
parameters = PropagationParameters(
wavefront=input_wavefront if not input_wavefront is None else
WiseWavefront(wise_computation_results=None),
propagation_elements=output_data.wise_beamline)
parameters.set_additional_parameters(
"single_propagation",
True if PropagationManager.Instance().get_propagation_mode(
WISE_APPLICATION) == PropagationMode.STEP_BY_STEP else
(not self.is_full_propagator))
parameters.set_additional_parameters(
"NPools", self.n_pools if self.use_multipool == 1 else 1)
parameters.set_additional_parameters("is_full_propagator",
self.is_full_propagator)
output_data.wise_wavefront = PropagationManager.Instance(
).do_propagation(propagation_parameters=parameters,
handler_name=WisePropagator.HANDLER_NAME)
return output_data
#
# propagating
#
#
propagation_elements = PropagationElements()
beamline_element = BeamlineElement(
optical_element=optical_element,
coordinates=ElementCoordinates(p=-100.000000,
q=0.000000,
angle_radial=numpy.radians(0.000000),
angle_azimuthal=numpy.radians(0.000000)))
propagation_elements.add_beamline_element(beamline_element)
propagation_parameters = PropagationParameters(
wavefront=input_wavefront.duplicate(),
propagation_elements=propagation_elements)
propagation_parameters.set_additional_parameters('magnification_x',
0.01) #0.010000)
#
propagator = PropagationManager.Instance()
try:
propagator.add_propagator(FresnelZoom1D())
except:
pass
output_wavefront = propagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name='FRESNEL_ZOOM_1D')
plot(output_wavefront.get_abscissas() * 1e6, output_wavefront.get_intensity())
def propagate(self,
wofry_wavefront,
mypropagator,
return_wavefront_list=False):
from srxraylib.plot.gol import plot_image
# plot_image(wofry_wavefront.get_intensity(),1e6*wofry_wavefront.get_coordinate_x(),1e6*wofry_wavefront.get_coordinate_y(), title="source")
if return_wavefront_list:
w_out = wofry_wavefront.duplicate()
output_wavefronts = []
output_wavefronts.append(wofry_wavefront.duplicate())
for i in range(self.get_beamline_elements_number()):
w_in = w_out.duplicate()
method = 0 # 0 = old, 1=New
if method == 1:
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(
beamline_element=self.get_beamline_element_at(i))
propagation_parameters = PropagationParameters(
wavefront=w_in,
propagation_elements=propagation_elements)
tmp = self.get_propagator_specific_parameters(i)
propagation_parameters.set_additional_parameters(
'shift_half_pixel', tmp['shift_half_pixel'])
propagation_parameters.set_additional_parameters(
'magnification_x', tmp['magnification_x'])
propagation_parameters.set_additional_parameters(
'magnification_y', tmp['magnification_y'])
else:
propagation_elements = PropagationElements()
propagation_elements.add_beamline_element(
beamline_element=self.get_beamline_element_at(i),
element_parameters=self.
get_propagator_specific_parameters(i))
propagation_parameters = PropagationParameters(
wavefront=w_in,
propagation_elements=propagation_elements)
w_out = mypropagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name=self.get_propagator_handler(i))
# plot_image(w_out.get_intensity(),1e6*w_out.get_coordinate_x(),1e6*w_out.get_coordinate_y(),title="oe index: %d"%(i),aspect="auto")
output_wavefronts.append(w_out)
return output_wavefronts
else:
# check all handler are identical
for i in range(self.get_beamline_elements_number()):
assert (self.get_propagator_handler(0) ==
self.get_propagator_handler(i))
propagation_elements = PropagationElements()
for i in range(self.get_beamline_elements_number()):
propagation_elements.add_beamline_element(
beamline_element=self._beamline_elements_list[i],
element_parameters=self.get_propagator_specific_parameters(
i))
propagation_parameters = PropagationParameters(
wavefront=wofry_wavefront.duplicate(),
propagation_elements=propagation_elements)
w_out = mypropagator.do_propagation(
propagation_parameters=propagation_parameters,
handler_name=self.get_propagator_handler(0))
return [w_out]