def Measure(self, crv=[], file_name=None, meas_opts=[10, 1, 0.1]):
fields = numpy.asarray(crv)
# Initialize data objects
self.Data.reset()
self.Data.xlim = [fields.min(), fields.max()]
sen = self.VC.LockIn.SEN * 1.5 * self.VC.emu_per_V
self.Data.ylim = [-sen, sen]
n_pts, iniDelay, measDelay = meas_opts
# Loop for each field
for i, h in enumerate(fields):
self.FC.setField(h)
while abs(h - self.FC.getField()) > 50:
self.FC.setField(h)
#time.sleep(0.5)
m, sm = self.VC.getMagnetization(n=n_pts,
iniDelay=iniDelay,
measDelay=measDelay)
self.Data.addPoint(h, m)
MyPlot(self.Data)
ThD.check_stop()
if file_name != None:
self._SaveData(file_name)
self.FC.TurnOff()
self.FC.Kepco.BEEP()
def FreqCurve(self, crvf=[], file_name=None, TurnOff=False):
freqs = numpy.asarray(crvf)
#Initialize data objects
self.DataFreq.reset()
self.DataFreq.xlim = [freqs.min(), freqs.max()]
sen = self.VC.LockIn.SEN * 1.5 * self.VC.emu_per_V
self.DataFreq.ylim = [0, sen]
#Loop for each field
for i, f in enumerate(freqs):
self.VC.LockIn.setOscilatorFreq(f)
#time.sleep(0.5)
a = self.VC.getAmplitude()
if a >= 0.9 * self.VC.LockIn.SEN:
self.VC.LockIn.SEN = 3 * self.VC.LockIn.SEN
a = self.VC.getAmplitude()
self.DataFreq.addPoint(f, a * self.VC.emu_per_V)
FreqPlot(self.DataFreq)
ThD.check_stop()
if file_name is not None:
self._SaveData(file_name)
if TurnOff:
self.FC.TurnOff()
self.FC.Kepco.BEEP()
def test_Measure(self, crv=[], file_name=None, meas_opts=[10, 1, 0.1]):
global t0
fields = numpy.asarray(crv)
print("Field cicle for histeresys")
# Initialize data objects
self.Data.reset()
self.Data.ylim = [fields.min(), fields.max()]
sen = self.VC.LockIn.SEN * 1.5 * self.VC.emu_per_V
#self.Data.ylim = [-sen, sen]
n_pts, iniDelay, measDelay = meas_opts
# Loop for each field
for i, h in enumerate(fields):
self.FC.setField(h)
while abs(h - self.FC.getField(delay=0)) > 30:
self.FC.setField(h)
f = self.FC.getField(delay=0)
t = time.time() - t0
print(t, '\t', f)
#time.sleep(0.5)
#m, sm = self.VC.getMagnetization(n = n_pts, iniDelay = iniDelay, measDelay = measDelay)
self.Data.addPoint(t, f)
MyPlot_2(self.Data)
ThD.check_stop()
print("Time elapsed: %f min" % ((time.time() - t0) / 60))
if file_name != None:
self._SaveData(file_name)
self.FC.TurnOff()
self.FC.Kepco.BEEP()
def Measure(self, crv, file_name):
fields = crv
freqs = self.VNAC.frequencies
# Initialize data objects
for D in self.DataCollection:
D.initialize(fields, freqs, dtype=complex)
self.DataPlot.initialize(fields, freqs)
# Loop for each field
for i, h in enumerate(fields):
self.FC.setField(h, Tol=0.25, FldStep=0.5)
# time.sleep(0.5)
Ss = self._MeasureSpectra()
for j, S in enumerate(Ss):
self.DataCollection[j].addColumn(S)
self.PlotData(i)
ThD.check_stop()
if file_name is not None:
self._SaveData(file_name)
self.FC.TurnOff()
self.FC.Kepco.BEEP()