def __init__(self, simtime=0.5e-13, resolution = 8e-9,size_x = 0.3e-6, size_y = 0.3e-6,
size_z = .75e-6,thickness_mgf2 = 50.8e-9,**other_args):
#def __init__(self, simtime=1e-13, resolution = 5e-9,size_x = 0.2e-6, size_y = 0.2e-6,
# size_z = 0.5e-6,thickness_mgf2 = 99.8e-9,**other_args):
meep_utils.AbstractMeepModel.__init__(self) #Inizialitation of the class
self.simulation_name = "AntirrefFilm30deg"
self.src_freq = 545e12 # [Hz] (note: srcwidth irrelevant for continuous_source)
self.src_width= 130e12
self.interesting_frequencies=(430e12,650e12)
self.pml_thickness = 5.0e-8
self.size_x = size_x
self.size_y = size_y
self.size_z = size_z
self.simtime = simtime # [s]
self.monitor_z1 = - 3e-7
self.monitor_z2 = thickness_mgf2/2 + 2.5e-7
self.Kx = (2*np.pi*self.src_freq/c)*np.sin(np.pi/6)#6.8017e6 # 30 degrees
self.Ky = 0
self.padding=0
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials
f_c = c / np.pi/self.resolution/meep_utils.meep.use_Courant()
self.materials = [meep_materials.material_dielectric(eps=1.904,where=self.where_MgF2)] #eps=1.904
self.materials += [meep_materials.material_dielectric(eps=3.24, where = self.where_sust)]
#self.materials = [] # uncomment if no materials present
for material in self.materials: self.fix_material_stability(material, f_c=2e15, verbose=1)
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=100e-12, resolution=2e-6, cells=1, monzc=0e-6, Kx=0, Ky=0, padding=20e-6,
monzd=60e-6, epsilon=100):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "XCylWire" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
if 'TiO2' in comment: self.materials = [meep_materials.material_TiO2_THz(where = self.where_diel)]
elif 'DielLossless' in comment: self.materials = [meep_materials.material_dielectric(where = self.where_diel, eps=epsilon, loss=0.0)]
elif 'Diel' in comment: self.materials = [meep_materials.material_dielectric(where = self.where_diel, eps=epsilon, loss=0.05)]
else: self.materials = []
self.materials += [meep_materials.material_Metal_THz(where = self.where_metal)]
## Dimension constants for the simulation
self.pml_thickness = 10e-6
self.size_x = 40e-6
self.size_y = 30e-6
self.size_z = 80e-6+cells*self.monzd + 2*self.padding + 2*self.pml_thickness
## constants for the simulation
(self.monitor_z1, self.monitor_z2) = (-(monzd*cells)/2+monzc - padding, (monzd*cells)/2+monzc + padding)
self.simtime = simtime # [s]
self.srcWidth = 2000e9
self.srcFreq = 4e9 + self.srcWidth/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 1000e9)
#meep_utils.plot_eps(self.materials, freq_range=(1e10, 1e14), plot_conductivity=True)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self,
comment="",
simtime=100e-12,
resolution=2e-6,
cells=1,
monzc=0e-6,
Kx=0,
Ky=0,
padding=20e-6,
monzd=60e-6,
epsilon=100):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "XCylWire" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
if 'TiO2' in comment:
self.materials = [
meep_materials.material_TiO2_THz(where=self.where_diel)
]
elif 'DielLossless' in comment:
self.materials = [
meep_materials.material_dielectric(where=self.where_diel,
eps=epsilon,
loss=0.0)
]
elif 'Diel' in comment:
self.materials = [
meep_materials.material_dielectric(where=self.where_diel,
eps=epsilon,
loss=0.05)
]
else:
self.materials = []
self.materials += [
meep_materials.material_Metal_THz(where=self.where_metal)
]
## Dimension constants for the simulation
self.pml_thickness = 10e-6
self.size_x = 40e-6
self.size_y = 30e-6
self.size_z = 80e-6 + cells * self.monzd + 2 * self.padding + 2 * self.pml_thickness
## constants for the simulation
(self.monitor_z1,
self.monitor_z2) = (-(monzd * cells) / 2 + monzc - padding,
(monzd * cells) / 2 + monzc + padding)
self.simtime = simtime # [s]
self.srcWidth = 2000e9
self.srcFreq = 4e9 + self.srcWidth / 2 + (Ky**2 + Kx**2)**.5 / (
2 * np.pi / 3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 1000e9)
#meep_utils.plot_eps(self.materials, freq_range=(1e10, 1e14), plot_conductivity=True)
self.TestMaterials(
) ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self,
simtime=0.5e-13,
resolution=8e-9,
size_x=0.3e-6,
size_y=0.3e-6,
size_z=.75e-6,
thickness_mgf2=50.8e-9,
**other_args):
#def __init__(self, simtime=1e-13, resolution = 5e-9,size_x = 0.2e-6, size_y = 0.2e-6,
# size_z = 0.5e-6,thickness_mgf2 = 99.8e-9,**other_args):
meep_utils.AbstractMeepModel.__init__(
self) #Inizialitation of the class
self.simulation_name = "AntirrefFilm30deg"
self.src_freq = 545e12 # [Hz] (note: srcwidth irrelevant for continuous_source)
self.src_width = 130e12
self.interesting_frequencies = (430e12, 650e12)
self.pml_thickness = 5.0e-8
self.size_x = size_x
self.size_y = size_y
self.size_z = size_z
self.simtime = simtime # [s]
self.monitor_z1 = -3e-7
self.monitor_z2 = thickness_mgf2 / 2 + 2.5e-7
self.Kx = (2 * np.pi * self.src_freq / c) * np.sin(
np.pi / 6) #6.8017e6 # 30 degrees
self.Ky = 0
self.padding = 0
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials
f_c = c / np.pi / self.resolution / meep_utils.meep.use_Courant()
self.materials = [
meep_materials.material_dielectric(eps=1.904,
where=self.where_MgF2)
] #eps=1.904
self.materials += [
meep_materials.material_dielectric(eps=3.24, where=self.where_sust)
]
#self.materials = [] # uncomment if no materials present
for material in self.materials:
self.fix_material_stability(material, f_c=2e15, verbose=1)
meep_utils.plot_eps(self.materials,
plot_conductivity=True,
draw_instability_area=(self.f_c(),
3 * meep.use_Courant()**2),
mark_freq={self.f_c(): '$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=100e-12, resolution=2e-6, cellnumber=1, cellsize=100e-6, padding=50e-6,
fillfraction=0.5, epsilon=2, **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "Slab"
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e9, 2000e9) # Which frequencies will be saved to disk
self.pml_thickness = 0.1*c/self.src_freq
self.size_x = resolution*2
self.size_y = resolution
self.size_z = cellnumber*cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.cellcenters = np.arange((1-cellnumber)*cellsize/2, cellnumber*cellsize/2, cellsize)
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials
# note: for optical range, it was good to supply f_c=5e15 to fix_material_stability
if 'Au' in comment:
m = meep_materials.material_Au(where=self.where_slab)
self.fix_material_stability(m, verbose=0) ## rm all osc above the first one, to optimize for speed
elif 'Ag' in comment:
m = meep_materials.material_Ag(where=self.where_slab)
self.fix_material_stability(m, verbose=0) ## rm all osc above the first one, to optimize for speed
else:
m = meep_materials.material_dielectric(where=self.where_slab, loss=0.001, eps=epsilon)
self.materials = [m]
def __init__(self, comment="", simtime=15e-12, resolution=3e-6, size_x=1350e-6, size_y=1350e-6, size_z=0,
wgwidth=10e-6, wgheight=20e-6, monzd=180e-6):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "SPDC"
monzd=size_z
self.register_locals(locals()) ## Remember the parameters
## Constants for the simulation
substrate_z = size_x / 3
self.pml_thickness = 10e-6
self.monitor_z1, self.monitor_z2 = (-(monzd)/2, (monzd)/2)
self.simtime = simtime # [s]
self.srcFreq, self.srcWidth = 5000e9, 5000e9 # [Hz] (note: gaussian source ends at t=10/srcWidth)
self.interesting_frequencies = (0e9, 2000e9) # Which frequencies will be saved to disk
self.Kx = 0; self.Ky = 0; self.padding=0
self.size_x = size_x
self.size_y = size_y
self.size_z = size_z
## Define materials
self.materials = [meep_materials.material_dielectric(eps=4., where = self.where_diel)]
#self.materials += [meep_materials.material_dielectric(eps=4., where = self.where_substr)]
self.TestMaterials()
f_c = c / np.pi/self.resolution/meep_utils.meep.use_Courant()
meep_utils.plot_eps(self.materials, mark_freq=[f_c])
def __init__(self, comment="", simtime=100e-12, resolution=2e-6, cellnumber=1, cellsize=100e-6, padding=50e-6,
fillfraction=0.5, epsilon=2, **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "Slab"
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e9, 2000e9) # Which frequencies will be saved to disk
self.pml_thickness = 0.1*c/self.src_freq
self.size_x = resolution*2
self.size_y = resolution
self.size_z = cellnumber*cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.cellcenters = np.arange((1-cellnumber)*cellsize/2, cellnumber*cellsize/2, cellsize)
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials
# note: for optical range, it was good to supply f_c=5e15 to fix_material_stability
if 'Au' in comment:
m = meep_materials.material_Au(where=self.where_slab)
self.fix_material_stability(m, verbose=0) ## rm all osc above the first one, to optimize for speed
elif 'Ag' in comment:
m = meep_materials.material_Ag(where=self.where_slab)
self.fix_material_stability(m, verbose=0) ## rm all osc above the first one, to optimize for speed
else:
m = meep_materials.material_dielectric(where=self.where_slab, loss=0.001, eps=epsilon)
self.materials = [m]
def __init__(self, comment="", simtime=100e-12, resolution=3e-6, Kx=0, Ky=0,
spacing=75e-6, monzd=80e-6, # lateral simulation size, and the z-length left for whole structure
apertured=5e-6, apertureth=5e-6, gaasth=2e-6, # metal aperture (square hole size, metal thickness, gallium arsenide layer thickness)
radius=10e-6, epsloss=0.01, spherey=0e-6, spherez=-14e-6, # dielectric sphere (radius and dielectric losses)
wireth=4e-6, wirey=14e-6, wirez=-14e-6 # metallic wire along x (diameter, lateral position)
):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "ApertureSphere"
self.register_locals(locals()) ## Remember the parameters
## Constants for the simulation
self.pml_thickness = 20e-6
self.monitor_z1, self.monitor_z2 = -monzd/2, self.apertureth+self.gaasth
print "self.monitor_z1, self.monitor_z2", self.monitor_z1, self.monitor_z2
self.simtime = simtime # [s]
self.src_freq, self.src_width = 2000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (0e9, 4000e9) # Which frequencies will be saved to disk
self.size_x = spacing
self.size_y = spacing
self.size_z = monzd*2 + 2*self.pml_thickness
## Define materials
#self.materials = [meep_materials.material_dielectric(where = self.where_GaAs, eps=10)]
#self.materials += [meep_materials.material_TiO2_THz(where = self.where_TiO2)]
self.materials = []
if self.radius > 0: self.materials += [meep_materials.material_dielectric(where = self.where_TiO2, eps=94., loss=epsloss)]
#if not 'NoGaAs' in comment: self.materials += [meep_materials.material_dielectric(where = self.where_gaas, eps=12) ] %TODO test GaAs where-func
self.materials += [meep_materials.material_Au(where = self.where_metal) ]
for m in self.materials: self.fix_material_stability(m)
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=100e-12, resolution=6e-6, cells=1, monzc=0e-6, Kx=0, Ky=0,
xs=55e-6, ys=95e-6, zs=25e-6, xyspacing=150e-6, monzd=100e-6, padding=0e-6, metalspacing=0e-6):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "DielectricBar" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
#self.materials = [meep_materials.material_TiO2_THz(where = self.where_TiO2)]
#self.materials = [meep_materials.material_dielectric(where = self.where_TiO2, eps=4.)]
self.materials = [
meep_materials.material_dielectric(where = self.where_TiO2, eps=12.),
#meep_materials.material_STO(where = self.where_TiO2),
#meep_materials.material_STO_THz(where = self.where_TiO2),
#meep_materials.material_STO_hiloss(where = self.where_TiO2),
#meep_materials.material_Metal_THz(where = self.where_metal)
]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.size_x = resolution/1.8 if (xs==np.inf) else xyspacing
self.size_y = resolution/.9 if (ys==np.inf) else xyspacing
self.size_z = 300e-6+cells*self.monzd
## constants for the simulation
self.pml_thickness = 30e-6
(self.monitor_z1, self.monitor_z2) = (-(monzd*cells)/2+monzc, (monzd*cells)/2+monzc)
self.simtime = simtime # [s]
self.srcWidth = 2000e9
self.srcFreq = 1000e9
#self.srcFreq = 4e9 + self.srcWidth/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 3000e9)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self, comment="", simtime=100e-12, resolution=6e-6, cells=1, monzc=0e-6, Kx=0, Ky=0, padding=50e-6,
radius=20e-6, xspacing=100e-6, monzd=100e-6, epsilon=600):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "YCylWire" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
if 'TiO2' in comment:
self.materials = [meep_materials.material_TiO2_THz(where = self.where_wire)]
elif 'STO' in comment:
self.materials = [meep_materials.material_STO_THz(where = self.where_wire)]
elif 'Diel' in comment:
self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0.001)]
else:
self.materials = [meep_materials.material_Metal_THz(where = self.where_wire)]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 20e-6
self.size_x = xspacing
self.size_y = resolution/1.8
self.size_z = 200e-6+cells*self.monzd + 2*self.padding + 2*self.pml_thickness
## constants for the simulation
self.monitor_z1 =-(monzd*cells)/2+self.monzc - self.padding
self.monitor_z2 = (monzd*cells)/2+self.monzc + self.padding
self.simtime = simtime # [s]
self.srcWidth = 3000e9
self.srcFreq = 1e12 #4e9 + self.srcWidth/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 3000e9)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self, comment="", simtime=100e-12, resolution=2e-6, cells=1, Kx=0, Ky=0,
width=64e-6, thick=26e-6, yspacing=96e-6, monzd=96e-6, epsilon=100, padding=50e-6):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "XRectWire" ##
self.monzc=0e-6
self.register_locals(locals()) ## Remember the parameters
self.padding=50e-6
self.monzc=0e-6
## Initialization of materials used
self.materials = [ meep_materials.material_dielectric(where = self.where_slab, eps=epsilon, loss=0.01),
meep_materials.material_Metal_THz(where = self.where_met)]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 20e-6
self.size_x = resolution/1.8
self.size_y = yspacing
self.size_z = 120e-6+cells*self.monzd + 2*self.padding + 2*self.pml_thickness
## constants for the simulation
self.monitor_z1 =-(monzd*cells)/2+self.monzc - self.padding
self.monitor_z2 = (monzd*cells)/2+self.monzc + self.padding
self.simtime = simtime # [s]
self.srcWidth = 3000e9
#self.srcFreq = 4e9 + self.srcWidth/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.srcFreq = 1e12
self.interesting_frequencies = (0., 1000e9)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(
self,
comment="",
simtime=100e-12,
resolution=3e-6,
Kx=0,
Ky=0,
spacing=75e-6,
monzd=80e-6, # lateral simulation size, and the z-length left for whole structure
apertured=5e-6,
apertureth=5e-6,
gaasth=2e-6, # metal aperture (square hole size, metal thickness, gallium arsenide layer thickness)
radius=10e-6,
epsloss=0.01,
spherey=0e-6,
spherez=-14e-6, # dielectric sphere (radius and dielectric losses)
wireth=4e-6,
wirey=14e-6,
wirez=-14e-6 # metallic wire along x (diameter, lateral position)
):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "ApertureSphere"
self.register_locals(locals()) ## Remember the parameters
## Constants for the simulation
self.pml_thickness = 20e-6
self.monitor_z1, self.monitor_z2 = -monzd / 2, self.apertureth + self.gaasth
print "self.monitor_z1, self.monitor_z2", self.monitor_z1, self.monitor_z2
self.simtime = simtime # [s]
self.src_freq, self.src_width = 2000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (
0e9, 4000e9) # Which frequencies will be saved to disk
self.size_x = spacing
self.size_y = spacing
self.size_z = monzd * 2 + 2 * self.pml_thickness
## Define materials
#self.materials = [meep_materials.material_dielectric(where = self.where_GaAs, eps=10)]
#self.materials += [meep_materials.material_TiO2_THz(where = self.where_TiO2)]
self.materials = []
if self.radius > 0:
self.materials += [
meep_materials.material_dielectric(where=self.where_TiO2,
eps=94.,
loss=epsloss)
]
#if not 'NoGaAs' in comment: self.materials += [meep_materials.material_dielectric(where = self.where_gaas, eps=12) ] %TODO test GaAs where-func
self.materials += [meep_materials.material_Au(where=self.where_metal)]
for m in self.materials:
self.fix_material_stability(m)
## Test the validity of the model
meep_utils.plot_eps(self.materials,
plot_conductivity=True,
draw_instability_area=(self.f_c(),
3 * meep.use_Courant()**2),
mark_freq={self.f_c(): '$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=1000e-12, resolution=5e-6, cells=1, monzc=0e-6,
BarWidth=100e-6, BarThick=100e-6, SubstrThick=50e-6, BarPeriod=200e-6, YCellShift=0,
Kx=0, Ky=0):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "CKEBars" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
self.materials = [meep_materials.material_TiO2_THz(where = self.where_TiO2),
meep_materials.material_dielectric(where = self.where_substr, eps=1.0)] ## XXX
## Dimension constants for the simulation
monzd = BarThick + SubstrThick ## monitor z-distance
self.monzd = monzd
self.size_x, self.size_y, self.size_z = resolution/1.8, BarPeriod, 500e-6 + cells*self.monzd
## constants for the simulation
self.pml_thickness = 100e-6
(self.monitor_z1, self.monitor_z2) = (-(monzd*cells)/2+monzc, (monzd*cells)/2+monzc)
self.simtime = simtime # [s]
self.srcFreq, self.srcWidth = 500e9, 1000e9 # [Hz], note: "Last source time" = 10/srcWidth
self.interesting_frequencies = (0., 1000e9)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self, comment="", simtime=100e-12, resolution=4e-6, cellsize=100e-6, cellnumber=1, padding=20e-6,
radius=10e-6, epsilon='TiO2', loss=1, orientation="E", **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "RodArray"
self.register_locals(locals(), other_args) ## Remember the parameters
## Constants for the simulation
self.simtime = simtime # [s]
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (0e9, 3000e9) # Which frequencies will be saved to disk
self.pml_thickness = .1*c/self.src_freq
if orientation=="E":
self.size_x, self.size_y = self.resolution*.6, cellsize
elif orientation=="H":
self.size_x, self.size_y = cellsize, self.resolution*.6
self.size_z = cellnumber*cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.cellcenters = np.arange((1-cellnumber)*cellsize/2, cellnumber*cellsize/2, cellsize)
## Define materials
if epsilon=="TiO2": ## use titanium dioxide if permittivity not specified...
tio2 = meep_materials.material_TiO2(where=self.where_TiO2)
if loss != 1: tio2.pol[0]['gamma'] *= loss ## optionally modify the first TiO2 optical phonon to have lower damping
else: ## ...or define a custom dielectric if permittivity not specified
tio2 = meep_materials.material_dielectric(where=self.where_TiO2, eps=float(self.epsilon))
self.fix_material_stability(tio2, verbose=0) ##f_c=2e13, rm all osc above the first one, to optimize for speed
self.materials = [tio2]
self.test_materials()
def __init__(self, comment="", simtime=100e-12, resolution=4e-6, cellsize=100e-6, cellnumber=1, padding=20e-6,
radius=10e-6, epsilon='TiO2', loss=1, orientation="E", **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "RodArray"
self.register_locals(locals(), other_args) ## Remember the parameters
## Constants for the simulation
self.simtime = simtime # [s]
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (0e9, 3000e9) # Which frequencies will be saved to disk
self.pml_thickness = .1*c/self.src_freq
if orientation=="E":
self.size_x, self.size_y = self.resolution*.6, cellsize
elif orientation=="H":
self.size_x, self.size_y = cellsize, self.resolution*.6
self.size_z = cellnumber*cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.cellcenters = np.arange((1-cellnumber)*cellsize/2, cellnumber*cellsize/2, cellsize)
## Define materials
if epsilon=="TiO2": ## use titanium dioxide if permittivity not specified...
tio2 = meep_materials.material_TiO2(where=self.where_TiO2)
if loss != 1: tio2.pol[0]['gamma'] *= loss ## optionally modify the first TiO2 optical phonon to have lower damping
else: ## ...or define a custom dielectric if permittivity not specified
tio2 = meep_materials.material_dielectric(where=self.where_TiO2, eps=float(self.epsilon))
self.fix_material_stability(tio2, verbose=0) ##f_c=2e13, rm all osc above the first one, to optimize for speed
self.materials = [tio2]
self.test_materials()
def __init__(self, comment="", simtime=100e-12, resolution=2e-6, cells=1, monzc=0e-6, Kx=0, Ky=0, padding=100e-6,
radius=4e-6, spacing=100e-6, monzd=100e-6, epsilon=600, xlen=50e-6):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "XCylWire" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
self.materials = [
meep_materials.material_Metal_THz(where = self.where_particle),
#meep_materials.material_TiO2_THz(where = self.where_particle),
meep_materials.material_dielectric(where = self.where_filling, eps=epsilon)]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 100e-6
self.size_x = spacing
self.size_y = spacing
self.size_z = 400e-6+cells*self.monzd + 2*self.padding + 2*self.pml_thickness
## constants for the simulation
(self.monitor_z1, self.monitor_z2) = (-(monzd*cells)/2+monzc - padding , (monzd*cells)/2+monzc + padding)
self.simtime = simtime # [s]
self.srcWidth = 3000e9
self.srcFreq = 4e9 + self.srcWidth/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 1000e9)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(
self,
simtime=3.5e-13,
resolution=4e-9,
size_x=2.25e-6,
size_y=0.1e-6,
size_z=8e-7,
thickness_Au=1.5e-7,
depthx=5e-8,
depthz=1e-7,
thickness_sapphire=2e-7, #1.6e-7,
period=7.5e-7,
Nslits=3,
**other_args):
meep_utils.AbstractMeepModel.__init__(
self) #Inizialitation of the class
# Sapphire substrate thickness taken from Kim D S, Hohng S C, Malyarchuk V, Yoon
#Y C, Ahn Y H, Yee K J, Park J W, Kim J, Park Q H and Lienau C 2003 Phys. Rev. Lett. 91 143901
self.simulation_name = "SlabSubsCont3GaussSapphire"
self.src_freq = 375e12 # [Hz] (note: srcwidth irrelevant for continuous_source)
self.src_width = 160e12
self.interesting_frequencies = (250e12, 500e12)
self.pml_thickness = 2.5e-8
self.Nslits = int(Nslits)
self.size_x = size_x
self.size_y = size_y
self.size_z = size_z
self.simtime = simtime # [s]
self.monitor_z1 = (-thickness_Au - 1e-7)
self.monitor_z2 = 3.9e-7
self.monitor_z3 = 1e-8
self.Kx = 0 #(2*np.pi*self.src_freq/c)*np.sin(np.pi/6)#6.8017e6 # 30 degrees
self.Ky = 0
self.padding = 0
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials
f_c = c / np.pi / self.resolution / meep_utils.meep.use_Courant()
#self.materials = []
self.materials = [meep_materials.material_Au(where=self.where_AuGauss)]
#self.materials[0].pol[1:3]=[]
self.materials += [
meep_materials.material_dielectric(eps=3.133,
where=self.where_sapphire)
]
#self.materials += [meep_materials.material_Sapphire(where=self.where_sapphire)]
for material in self.materials:
self.fix_material_stability(material, f_c=2e15, verbose=1)
meep_utils.plot_eps(self.materials,
plot_conductivity=True,
draw_instability_area=(self.f_c(),
3 * meep.use_Courant()**2),
mark_freq={self.f_c(): '$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=30e-12, resolution=4e-6, cellsize=100e-6, cellnumber=1, padding=50e-6,
radius=30e-6, wirethick=0, wirecut=0, loss=1, epsilon="TiO2", diel=1, **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "SphereWire"
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e9, 3000e9) # Which frequencies will be saved to disk
self.pml_thickness = .1*c/self.src_freq
self.size_x = cellsize if (radius>0 or wirecut>0) else resolution/1.8
self.size_y = cellsize
self.size_z = cellnumber*cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.cellcenters = np.arange((1-cellnumber)*cellsize/2, cellnumber*cellsize/2, cellsize)
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials (with manual Lorentzian clipping)
self.materials = []
if radius > 0:
if epsilon=="TiO2": ## use titanium dioxide if permittivity not specified...
tio2 = meep_materials.material_TiO2(where=self.where_sphere)
if loss != 1: tio2.pol[0]['gamma'] *= loss ## optionally modify the first TiO2 optical phonon to have lower damping
else: ## ...or define a custom dielectric if permittivity not specified
tio2 = meep_materials.material_dielectric(where=self.where_sphere, eps=float(self.epsilon))
self.fix_material_stability(tio2, verbose=0) ##f_c=2e13, rm all osc above the first one, to optimize for speed
self.materials.append(tio2)
self.materials.append(meep_materials.material_dielectric(where=self.where_diel, eps=self.diel))
if wirethick > 0:
au = meep_materials.material_Au(where=self.where_wire)
#au.pol[0]['sigma'] /= 100
#au.pol[0]['gamma'] *= 10000
self.fix_material_stability(au, verbose=0)
self.materials.append(au)
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=30e-12, resolution=4e-6, cellsize=100e-6, cellnumber=1, padding=50e-6,
radius=30e-6, wirethick=0, wirecut=0, loss=1, epsilon="TiO2", diel=1, **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "SphereWire"
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e9, 3000e9) # Which frequencies will be saved to disk
self.pml_thickness = .1*c/self.src_freq
self.size_x = cellsize if (radius>0 or wirecut>0) else resolution/1.8
self.size_y = cellsize
self.size_z = cellnumber*cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.cellcenters = np.arange((1-cellnumber)*cellsize/2, cellnumber*cellsize/2, cellsize)
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials (with manual Lorentzian clipping)
self.materials = []
if radius > 0:
if epsilon=="TiO2": ## use titanium dioxide if permittivity not specified...
tio2 = meep_materials.material_TiO2(where=self.where_sphere)
if loss != 1: tio2.pol[0]['gamma'] *= loss ## optionally modify the first TiO2 optical phonon to have lower damping
else: ## ...or define a custom dielectric if permittivity not specified
tio2 = meep_materials.material_dielectric(where=self.where_sphere, eps=float(self.epsilon))
self.fix_material_stability(tio2, verbose=0) ##f_c=2e13, rm all osc above the first one, to optimize for speed
self.materials.append(tio2)
self.materials.append(meep_materials.material_dielectric(where=self.where_diel, eps=self.diel))
if wirethick > 0:
au = meep_materials.material_Au(where=self.where_wire)
#au.pol[0]['sigma'] /= 100
#au.pol[0]['gamma'] *= 10000
self.fix_material_stability(au, verbose=0)
self.materials.append(au)
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=100e-12, resolution=3e-6, cells=1, monzc=0e-6, Kx=0, Ky=0, padding=50e-6,
radius=10e-6, yspacing=100e-6, zspacing=100e-6, monzd=200e-6, epsilon=100, **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "Wedge" ##
print(other_args)
self.register_locals(locals(), other_args) ## Remember the parameters
## Initialization of materials used
if 'TiO2' in comment:
self.materials = [meep_materials.material_TiO2_THz(where = self.where_wire)]
elif 'STO' in comment:
self.materials = [meep_materials.material_STO_THz(where = self.where_wire)]
elif 'DielLossless' in comment:
self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0.0)]
elif 'DielLoLoss' in comment:
self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0.005)]
else:
self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0)]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 50e-6
self.size_x = resolution/1.8
self.size_y = 2200e-6
self.size_z = 2000e-6+cells*self.monzd + 2*self.padding + 2*self.pml_thickness
## constants for the simulation
(self.monitor_z1, self.monitor_z2) = (-(monzd*cells)/2+monzc - padding, (monzd*cells)/2+monzc + padding)
self.simtime = simtime # [s]
self.src_width = 3000e9
self.src_freq = 4e9 + self.src_width/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 2000e9)
## Test the validity of the model
#meep_utils.plot_eps(self.materials, plot_conductivity=True,
#draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
try:
self.test_materials() ## catches (most) errors in structure syntax, before they crash the callback
except:
print(sys.exc())
def __init__(self,
comment="",
simtime=50e-15,
resolution=3e-9,
cells=1,
monzc=0e-9,
Kx=0,
Ky=0,
padding=25e-9,
thick=4e-9,
width=4e-9,
xspacing=50e-9,
monzd=100e-9):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "XCylWire" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
if 'Diel' in comment:
self.materials = [
meep_materials.material_dielectric(where=self.where_wire,
eps=20,
loss=0.001)
]
else:
self.materials = [
meep_materials.material_Au(where=self.where_wire)
]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 10e-9
self.size_x = xspacing
self.size_y = resolution / 1.8
self.size_z = 100e-9 + cells * self.monzd + 2 * self.padding + 2 * self.pml_thickness
## constants for the simulation
(self.monitor_z1,
self.monitor_z2) = (-(monzd * cells) / 2 + monzc - padding,
(monzd * cells) / 2 + monzc + padding)
self.simtime = simtime # [s]
self.srcWidth = 3000e12
self.srcFreq = 4e12 + self.srcWidth / 2 + (Ky**2 + Kx**2)**.5 / (
2 * np.pi / 3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 1000e12)
#meep_utils.plot_eps(self.materials)
self.TestMaterials(
) ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self, comment="", simtime=100e-15, resolution=5e-9, cellnumber=1, padding=2e-6, cellsize = 200e-9,
epsilon=33.97, blend=0, **other_args):
""" This structure demonstrates that scatter.py can also compute the reflectance and transmittance of samples on
a substrate. The substrate is though to have effectively infinite thickness, since its back interface is not
included in the simulation volume. It is assumed that with thick enough substrate there will be no Fabry-Perot
interferences arising from the
reflection from its back side, so this kind of simulation can not predict them.
The monitor planes can also be placed inside a dielectric, to enable the transmitted wave amplitude to be sensed
in the substrate medium. In this case the measured waveforms are
rescaled so that the transmitted energy is returned the same as if measured after reflection-less transition to vacuum.
This way, reflectance*2+transmittance*+losses still sum up to one.
This example also demonstrates that on a steep interface with air the transmitted and reflected waves have
exactly the same energy with the choice of permittivity: ((1+.5**.5)/(1-.5**.5))**2, that is roughly 33.97.
"""
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "HalfSpace"
self.src_freq, self.src_width = 500e12, 1000e12 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e12, 1000e12) # Which frequencies will be saved to disk
self.pml_thickness = 500e-9
self.size_z = blend + 4*padding + 2*self.pml_thickness + 6*resolution
self.size_x = resolution*1.8 if other_args.get('Kx',0)==0 else resolution*5 ## allow some space along x if oblique incidence is set
self.size_y = resolution*1.8 if other_args.get('Ky',0)==0 else resolution*5 ## dtto
print 'self.size_x, self.size_y', self.size_x, self.size_y
self.monitor_z1, self.monitor_z2 = (-padding-blend/2, padding+blend/2)
self.register_locals(locals(), other_args) ## Remember the parameters
self.mon2eps = epsilon ## store what dielectric is the second monitor embedded in
## Define materials
self.materials = []
if 'Au' in comment: self.materials += [meep_materials.material_Au(where=self.where_m)]
elif 'Ag' in comment: self.materials += [meep_materials.material_Ag(where=self.where_m)]
elif 'metal' in comment.lower():
self.materials += [meep_materials.material_Au(where=self.where_m)]
self.materials[-1].pol[1:] = []
self.materials[-1].pol[0]['gamma'] = 0
else: self.materials += [meep_materials.material_dielectric(where=self.where_m, eps=self.epsilon)]
for m in self.materials:
self.fix_material_stability(m, f_c=3e15) ## rm all osc above the first one, to optimize for speed
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=100e-15, resolution=5e-9, cellnumber=1, padding=2e-6, cellsize = 200e-9,
epsilon=33.97, blend=0, **other_args):
""" This structure demonstrates that scatter.py can also compute the reflectance and transmittance of samples on
a substrate. The substrate can have an infinite thickness, since its back interface is not included in the simulation
volume. It is assumed that with thick enough substrate there will be no Fabry-Perot interferences due to reflection from
its back side; this kind simulation can not predict them.
The monitor planes can also be placed inside a dielectric. In this case the measured waveforms are
rescaled so that the transmitted energy is returned the same as if measured after reflection-less transition to vacuum.
This way, reflectance*2+transmittance*+losses still sum up to one.
This example also demonstrates that on a steep interface with air the transmitted and reflected waves have
exactly the same energy with the choice of permittivity: ((1+.5**.5)/(1-.5**.5))**2, that is roughly 33.97.
"""
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "HalfSpace"
self.src_freq, self.src_width = 500e12, 1000e12 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e12, 1000e12) # Which frequencies will be saved to disk
self.pml_thickness = 500e-9
self.size_z = blend + 4*padding + 2*self.pml_thickness + 6*resolution
self.size_x = resolution*1.8 if other_args.get('Kx',0)==0 else resolution*5 ## allow some space along x if oblique incidence is set
self.size_y = resolution*1.8 if other_args.get('Ky',0)==0 else resolution*5 ## dtto
print 'self.size_x, self.size_y', self.size_x, self.size_y
self.monitor_z1, self.monitor_z2 = (-padding-blend/2, padding+blend/2)
self.register_locals(locals(), other_args) ## Remember the parameters
self.mon2eps = epsilon ## store what dielectric is the second monitor embedded in
## Define materials
self.materials = []
if 'Au' in comment: self.materials += [meep_materials.material_Au(where=self.where_m)]
elif 'Ag' in comment: self.materials += [meep_materials.material_Ag(where=self.where_m)]
elif 'metal' in comment.lower():
self.materials += [meep_materials.material_Au(where=self.where_m)]
self.materials[-1].pol[1:] = []
self.materials[-1].pol[0]['gamma'] = 0
else: self.materials += [meep_materials.material_dielectric(where=self.where_m, eps=self.epsilon)]
for m in self.materials:
self.fix_material_stability(m, f_c=3e15) ## rm all osc above the first one, to optimize for speed
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=100e-15, resolution=10e-9, cellnumber=1, padding=200e-9, cellsize = 200e-9,
epsilon=33.97, blend=0, **other_args):
""" This structure demonstrates that scatter.py can also be used for samples on a substrate with an infinite
thickness. The back side of the substrate is not simulated, and it is assumed there will be no Fabry-Perot
interferences between its sides.
The monitor planes are enabled to be placed also inside a dielectric. In which case the wave amplitude is
adjusted so that the light intensity is maintained. The field amplitudes and phases have physical meaning
only when both monitor planes are in the same medium, though.
Besides, the example demonstrates that on a steep interface with air the transmitted and reflected waves have
exactly the same energy with the choice of permittivity: ((1+.5**.5)/(1-.5**.5))**2, that is roughly 33.97.
"""
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "HalfSpace"
self.src_freq, self.src_width = 500e12, 100e12 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e12, 1000e12) # Which frequencies will be saved to disk
self.pml_thickness = 500e-9
self.size_x = resolution*1.8
self.size_y = resolution*1.8
self.size_z = blend + 2*padding + 2*self.pml_thickness + 6*resolution
self.monitor_z1, self.monitor_z2 = (-padding, padding)
self.register_locals(locals(), other_args) ## Remember the parameters
self.mon2eps = epsilon ## store what dielectric is the second monitor embedded in
## Define materials
self.materials = []
if 'Au' in comment: self.materials += [meep_materials.material_Au(where=self.where_m)]
elif 'Ag' in comment: self.materials += [meep_materials.material_Ag(where=self.where_m)]
elif 'metal' in comment:
self.materials += [meep_materials.material_Au(where=self.where_m)]
self.materials[-1].pol[1:] = []
self.materials[-1].pol[0]['gamma'] = 0
else: self.materials += [meep_materials.material_dielectric(where=self.where_m, eps=self.epsilon)]
for m in self.materials:
self.fix_material_stability(m, f_c=3e15) ## rm all osc above the first one, to optimize for speed
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=2e-15, resolution=.5e-9, cellnumber=1, padding=100e-9, cellsize=10e-9, cellsizex=0, cellsizey=0,
epsilon=.9, gdepth=10e-9, gwidth=10e-9, **other_args):
""" Similar to the HalfSpace model, but defines a deep ultraviolet grating
Rear side does not define any padding - useful for reflective surfaces/gratings only
"""
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## TODO: test out the effect of halving simtime, halving resolution, halving padding...
## Constant parameters for the simulation
self.simulation_name = "DUVGrating"
self.src_freq, self.src_width = 24e15, 48e15 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (.1e15, 40e15) # Which frequencies will be saved to disk
self.pml_thickness = 20e-9
self.size_z = 2*padding + gdepth + 2*self.pml_thickness + 6*resolution
if cellsizex != 0:
self.size_x = cellsizex ## non-flat periodic structure (grating?) with user-defined pitch
elif other_args.get('Kx',0) != 0:
self.size_x = resolution*5 ## flat structure, but oblique incidence requires several-pixel with
else:
self.size_x = resolution*1.8 ## flat structure, zero component of K-vector, so we can make the structure as flat as possible
if cellsizey != 0:
self.size_y = cellsizey ## dtto as for size_x above
elif other_args.get('Ky',0) != 0:
self.size_y = resolution*5
else:
self.size_y = resolution*1.8
print 'self.size_x, self.size_y', self.size_x, self.size_y
self.monitor_z1, self.monitor_z2 = (-padding-gdepth/2, padding+gdepth/2)
self.register_locals(locals(), other_args) ## Remember the parameters
self.mon2eps = epsilon ## store what dielectric is the second monitor embedded in
## Define materials
self.materials = []
self.materials += [meep_materials.material_dielectric(where=self.where_m, eps=self.epsilon)]
for m in self.materials:
self.fix_material_stability(m, f_c=60e15) ## rm all osc above the first one, to optimize for speed
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self, comment="", simtime=30e-12, resolution=4e-6, cellsize=50e-6, cellsizey=30e-6, cellnumber=1,
padding=50e-6, wirewidth=6.5e-6, wirelength=29e-6, loss=1, epsilon="Si", **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "WiresOnSiWire"
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e9, 3000e9) # Which frequencies will be saved to disk
self.pml_thickness = .3*c/self.src_freq
self.size_x = cellsize
self.size_y = cellsizey
self.size_z = cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials (with manual Lorentzian clipping)
self.materials = []
if epsilon=="Si": ## use silicon if permittivity not specified...
si = meep_materials.material_Si_MIR(where=self.where_substr)
if loss != 1: si.pol[0]['gamma'] *= loss ## optionally modify the first TiO2 optical phonon to have lower damping
else: ## ...or define a custom dielectric if permittivity not specified
si = meep_materials.material_dielectric(where=self.where_substr, eps=float(self.epsilon))
self.fix_material_stability(si, verbose=0) ## rm all osc above the first one, to optimize for speed
self.mon2eps = meep_utils.analytic_eps(mat=si, freq=1e12) ## store what dielectric is the second monitor embedded in
print '>>>>>>>>>>>>>>>>>>>>>>>>> self.mon2eps',self.mon2eps
#self.mon2eps = 12 ## store what dielectric is the second monitor embedded in
self.materials.append(si)
au = meep_materials.material_Au(where=self.where_wire)
#au.pol[0]['sigma'] /= 100
#au.pol[0]['gamma'] *= 10000
self.fix_material_stability(au, verbose=0)
self.materials.append(au)
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def cell_centers(self):
""" Helper function for stacked multilayered metamaterials """
return np.arange(-self.monzd*(self.cells-1)/2, self.monzd*(self.cells-1)/2+1e-12, self.monzd)
## alternatively: add surrounding two cells to compare the propagation _inside_ a metamaterial
#return np.arange(-self.monzd*(self.cells+1)/2, self.monzd*(self.cells+1)/2+1e-12, self.monzd)
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
self.simulation_name = "XCylWire" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0.01),
meep_materials.material_Metal_THz(where = self.where_metal)
]
#if 'TiO2' in comment:
#self.materials = [meep_materials.material_TiO2_THz(where = self.where_wire)]
#elif 'STO' in comment:
#self.materials = [meep_materials.material_STO_THz(where = self.where_wire)]
#elif 'DielLossless' in comment:
#self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0.0)]
#elif 'Diel' in comment:
#self.materials = [meep_materials.material_dielectric(where = self.where_wire, eps=epsilon, loss=0.01)]
#else:
#self.materials = [meep_materials.material_Metal_THz(where = self.where_wire)]
#
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 20e-6
self.size_x = resolution/1.8
self.size_y = yspacing
self.size_z = 200e-6+cells*self.monzd + 2*self.padding + 2*self.pml_thickness
## constants for the simulation
(self.monitor_z1, self.monitor_z2) = (-(monzd*cells)/2+monzc - padding, (monzd*cells)/2+monzc + padding)
self.simtime = simtime # [s]
self.srcWidth = 5000e9
self.srcFreq = 4e9 + self.srcWidth/2 + (Ky**2+Kx**2)**.5 / (2*np.pi/3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 2000e9)
#meep_utils.plot_eps(self.materials, freq_range=(1e10, 1e14), plot_conductivity=True)
self.TestMaterials() ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self, comment="", simtime=30e-12, resolution=4e-6, cellsize=50e-6, cellsizey=30e-6, cellnumber=1,
padding=50e-6, wirewidth=6.5e-6, wirelength=29e-6, loss=1, epsilon="Si", **other_args):
meep_utils.AbstractMeepModel.__init__(self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "WiresOnSiWire"
self.src_freq, self.src_width = 1000e9, 4000e9 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (10e9, 3000e9) # Which frequencies will be saved to disk
self.pml_thickness = .3*c/self.src_freq
self.size_x = cellsize
self.size_y = cellsizey
self.size_z = cellsize + 4*padding + 2*self.pml_thickness
self.monitor_z1, self.monitor_z2 = (-(cellsize*cellnumber/2)-padding, (cellsize*cellnumber/2)+padding)
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials (with manual Lorentzian clipping)
self.materials = []
if epsilon=="Si": ## use silicon if permittivity not specified...
si = meep_materials.material_Si_MIR(where=self.where_substr)
if loss != 1: si.pol[0]['gamma'] *= loss ## optionally modify the first TiO2 optical phonon to have lower damping
else: ## ...or define a custom dielectric if permittivity not specified
si = meep_materials.material_dielectric(where=self.where_substr, eps=float(self.epsilon))
self.fix_material_stability(si, verbose=0) ## rm all osc above the first one, to optimize for speed
self.mon2eps = meep_utils.analytic_eps(mat=si, freq=1e12) ## store what dielectric is the second monitor embedded in
print '>>>>>>>>>>>>>>>>>>>>>>>>> self.mon2eps',self.mon2eps
#self.mon2eps = 12 ## store what dielectric is the second monitor embedded in
self.materials.append(si)
au = meep_materials.material_Au(where=self.where_wire)
#au.pol[0]['sigma'] /= 100
#au.pol[0]['gamma'] *= 10000
self.fix_material_stability(au, verbose=0)
self.materials.append(au)
## Test the validity of the model
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self,
comment="",
simtime=200e-12,
resolution=5e-6,
cells=1,
monzc=0e-6,
BarWidth=50e-6,
BarThick=50e-6,
BarPeriod=100e-6,
YCellShift=0,
XCut=0,
Kx=0,
Ky=0):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "CKEBars" ##
self.register_locals(locals()) ## Remember the parameters
## Initialization of materials used
#self.materials = [meep_materials.material_TiO2_THz(where = self.where_TiO2)]
self.materials = [
meep_materials.material_Sapphire_THz(where=self.where_TiO2),
meep_materials.material_dielectric(where=self.where_substr,
eps=4.0)
]
## Dimension constants for the simulation
monzd = BarPeriod ## monitor z-distance
self.monzd = monzd
self.size_x, self.size_y, self.size_z = resolution, BarPeriod, 500e-6 + cells * self.monzd
#self.size_x, self.size_y, self.size_z = BarPeriod, BarPeriod, 500e-6 + cells*self.monzd
## constants for the simulation
self.pml_thickness = 100e-6
(self.monitor_z1, self.monitor_z2) = (-(monzd * cells) / 2 + monzc,
(monzd * cells) / 2 + monzc)
self.simtime = simtime # [s]
self.srcFreq, self.srcWidth = 500e9, 1000e9 # [Hz], note: "Last source time" = 10/srcWidth
self.interesting_frequencies = (0., 1000e9)
self.TestMaterials(
) ## catches (most) errors in structure syntax, before they crash the callback
def __init__(self,
comment="",
simtime=15e-12,
resolution=3e-6,
size_x=1350e-6,
size_y=1350e-6,
size_z=0,
wgwidth=10e-6,
wgheight=20e-6,
monzd=180e-6):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "SPDC"
monzd = size_z
self.register_locals(locals()) ## Remember the parameters
## Constants for the simulation
substrate_z = size_x / 3
self.pml_thickness = 10e-6
self.monitor_z1, self.monitor_z2 = (-(monzd) / 2, (monzd) / 2)
self.simtime = simtime # [s]
self.srcFreq, self.srcWidth = 5000e9, 5000e9 # [Hz] (note: gaussian source ends at t=10/srcWidth)
self.interesting_frequencies = (
0e9, 2000e9) # Which frequencies will be saved to disk
self.Kx = 0
self.Ky = 0
self.padding = 0
self.size_x = size_x
self.size_y = size_y
self.size_z = size_z
## Define materials
self.materials = [
meep_materials.material_dielectric(eps=4., where=self.where_diel)
]
#self.materials += [meep_materials.material_dielectric(eps=4., where = self.where_substr)]
self.TestMaterials()
f_c = c / np.pi / self.resolution / meep_utils.meep.use_Courant()
meep_utils.plot_eps(self.materials, mark_freq=[f_c])
def __init__(self, simtime=3.5e-13, resolution =4e-9,size_x = 2.25e-6, size_y = 0.1e-6,
size_z = 8e-7, thickness_Au = 1.5e-7,depthx = 5e-8, depthz = 1e-7,
thickness_sapphire = 2e-7, #1.6e-7,
period =7.5e-7, Nslits =3, **other_args):
meep_utils.AbstractMeepModel.__init__(self) #Inizialitation of the class
# Sapphire substrate thickness taken from Kim D S, Hohng S C, Malyarchuk V, Yoon
#Y C, Ahn Y H, Yee K J, Park J W, Kim J, Park Q H and Lienau C 2003 Phys. Rev. Lett. 91 143901
self.simulation_name = "SlabSubsCont3GaussSapphire"
self.src_freq = 375e12 # [Hz] (note: srcwidth irrelevant for continuous_source)
self.src_width= 160e12
self.interesting_frequencies=(250e12,500e12)
self.pml_thickness = 2.5e-8
self.Nslits = int(Nslits)
self.size_x = size_x
self.size_y = size_y
self.size_z = size_z
self.simtime = simtime # [s]
self.monitor_z1 = (-thickness_Au - 1e-7)
self.monitor_z2 =3.9e-7
self.monitor_z3 = 1e-8
self.Kx = 0#(2*np.pi*self.src_freq/c)*np.sin(np.pi/6)#6.8017e6 # 30 degrees
self.Ky = 0
self.padding=0
self.register_locals(locals(), other_args) ## Remember the parameters
## Define materials
f_c = c / np.pi/self.resolution/meep_utils.meep.use_Courant()
#self.materials = []
self.materials = [meep_materials.material_Au(where=self.where_AuGauss)]
#self.materials[0].pol[1:3]=[]
self.materials += [meep_materials.material_dielectric(eps=3.133,where=self.where_sapphire)]
#self.materials += [meep_materials.material_Sapphire(where=self.where_sapphire)]
for material in self.materials: self.fix_material_stability(material, f_c=2e15,
verbose=1)
meep_utils.plot_eps(self.materials, plot_conductivity=True,
draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
self.test_materials()
def __init__(self,
comment="",
simtime=100e-12,
resolution=6e-6,
cells=1,
monzc=0e-6,
padding=50e-6,
radius=25e-6,
wzofs=0e-6,
spacing=75e-6,
wlth=10e-6,
wtth=10e-6,
Kx=0,
Ky=0,
epsilon=100):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "SphereWire" ##
monzd = spacing
self.register_locals(locals()) ## Remember the parameters
#wlth=1e-6
#wtth=90e-6
#wlth=6e-6
#wtth=1000e-6
## Definition of materials used
#self.materials = [meep_materials.material_dielectric(where = self.where_diel, eps=4.)]
#self.materials = [meep_materials.material_TiO2_THz_HIEPS(where = self.where_TiO2),
#meep_materials.material_Metal_THz(where = self.where_metal)]
## Initialization of materials used
if 'TiO2NC' in comment:
self.materials = [
meep_materials.material_TiO2_NC_THz(where=self.where_TiO2),
]
#meep_materials.material_Metal_THz(where = self.where_metal) ]
elif 'TiO2' in comment:
self.materials = [
meep_materials.material_TiO2_THz(where=self.where_TiO2),
meep_materials.material_Metal_THz(where=self.where_metal)
]
elif 'Diel' in comment:
self.materials = [
meep_materials.material_dielectric(where=self.where_TiO2,
eps=epsilon),
meep_materials.material_Metal_THz(where=self.where_metal)
]
else:
self.materials = [
meep_materials.material_STO_THz(where=self.where_TiO2),
meep_materials.material_Metal_THz(where=self.where_metal)
]
## constants for the simulation
self.pml_thickness = 20e-6
self.monitor_z1, self.monitor_z2 = (-(monzd * cells) / 2 + monzc -
padding, (monzd * cells) / 2 +
monzc + padding)
self.simtime = simtime # [s]
self.srcFreq, self.srcWidth = 1000e9, 2000e9 # [Hz], note: "Last source time" = 10/srcWidth
self.interesting_frequencies = (0e9, 1000e9)
## Dimension constants for the simulation
self.size_x = spacing
self.size_y = spacing
self.size_z = 60e-6 + cells * monzd + 2 * self.pml_thickness + 2 * self.padding
#self.size_x, self.size_y, self.size_z = resolution/1.8, spacing, size_z ## two dimensional case XXX
self.TestMaterials()
print "CellCenters:", self.cell_centers()
def __init__(self,
comment="",
simtime=100e-15,
resolution=10e-9,
cellnumber=1,
padding=200e-9,
cellsize=200e-9,
epsilon=33.97,
blend=0,
**other_args):
""" This structure demonstrates that scatter.py can also be used for samples on a substrate with an infinite
thickness. The back side of the substrate is not simulated, and it is assumed there will be no Fabry-Perot
interferences between its sides.
The monitor planes are enabled to be placed also inside a dielectric. In which case the wave amplitude is
adjusted so that the light intensity is maintained. The field amplitudes and phases have physical meaning
only when both monitor planes are in the same medium, though.
Besides, the example demonstrates that on a steep interface with air the transmitted and reflected waves have
exactly the same energy with the choice of permittivity: ((1+.5**.5)/(1-.5**.5))**2, that is roughly 33.97.
"""
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
## Constant parameters for the simulation
self.simulation_name = "HalfSpace"
self.src_freq, self.src_width = 500e12, 100e12 # [Hz] (note: gaussian source ends at t=10/src_width)
self.interesting_frequencies = (
10e12, 1000e12) # Which frequencies will be saved to disk
self.pml_thickness = 500e-9
self.size_x = resolution * 1.8
self.size_y = resolution * 1.8
self.size_z = blend + 2 * padding + 2 * self.pml_thickness + 6 * resolution
self.monitor_z1, self.monitor_z2 = (-padding, padding)
self.register_locals(locals(), other_args) ## Remember the parameters
self.mon2eps = epsilon ## store what dielectric is the second monitor embedded in
## Define materials
self.materials = []
if 'Au' in comment:
self.materials += [meep_materials.material_Au(where=self.where_m)]
elif 'Ag' in comment:
self.materials += [meep_materials.material_Ag(where=self.where_m)]
elif 'metal' in comment:
self.materials += [meep_materials.material_Au(where=self.where_m)]
self.materials[-1].pol[1:] = []
self.materials[-1].pol[0]['gamma'] = 0
else:
self.materials += [
meep_materials.material_dielectric(where=self.where_m,
eps=self.epsilon)
]
for m in self.materials:
self.fix_material_stability(
m, f_c=3e15
) ## rm all osc above the first one, to optimize for speed
## Test the validity of the model
meep_utils.plot_eps(self.materials,
plot_conductivity=True,
draw_instability_area=(self.f_c(),
3 * meep.use_Courant()**2),
mark_freq={self.f_c(): '$f_c$'})
self.test_materials()
def __init__(self,
comment="",
simtime=100e-12,
resolution=3e-6,
cells=1,
monzc=0e-6,
Kx=0,
Ky=0,
padding=50e-6,
radius=10e-6,
yspacing=100e-6,
zspacing=100e-6,
monzd=200e-6,
epsilon=100,
**other_args):
meep_utils.AbstractMeepModel.__init__(
self) ## Base class initialisation
self.simulation_name = "Wedge" ##
print(other_args)
self.register_locals(locals(), other_args) ## Remember the parameters
## Initialization of materials used
if 'TiO2' in comment:
self.materials = [
meep_materials.material_TiO2_THz(where=self.where_wire)
]
elif 'STO' in comment:
self.materials = [
meep_materials.material_STO_THz(where=self.where_wire)
]
elif 'DielLossless' in comment:
self.materials = [
meep_materials.material_dielectric(where=self.where_wire,
eps=epsilon,
loss=0.0)
]
elif 'DielLoLoss' in comment:
self.materials = [
meep_materials.material_dielectric(where=self.where_wire,
eps=epsilon,
loss=0.005)
]
else:
self.materials = [
meep_materials.material_dielectric(where=self.where_wire,
eps=epsilon,
loss=0)
]
## Dimension constants for the simulation
#self.size_x, self.size_y, self.size_z = xyspacing, xyspacing, 400e-6+cells*self.monzd
self.pml_thickness = 50e-6
self.size_x = resolution / 1.8
self.size_y = 2200e-6
self.size_z = 2000e-6 + cells * self.monzd + 2 * self.padding + 2 * self.pml_thickness
## constants for the simulation
(self.monitor_z1,
self.monitor_z2) = (-(monzd * cells) / 2 + monzc - padding,
(monzd * cells) / 2 + monzc + padding)
self.simtime = simtime # [s]
self.src_width = 3000e9
self.src_freq = 4e9 + self.src_width / 2 + (Ky**2 + Kx**2)**.5 / (
2 * np.pi / 3e8) ## cutoff for oblique incidence
self.interesting_frequencies = (0., 2000e9)
## Test the validity of the model
#meep_utils.plot_eps(self.materials, plot_conductivity=True,
#draw_instability_area=(self.f_c(), 3*meep.use_Courant()**2), mark_freq={self.f_c():'$f_c$'})
try:
self.test_materials(
) ## catches (most) errors in structure syntax, before they crash the callback
except:
print(sys.exc())
