def lockin_measure():
time.sleep(self.tc_delay)
return np.mean([self.lock.ch1 for i in range(self.averages)])
self.frequency.set_method(self.lock.set_frequency)
self.noise.set_method(lockin_measure)
def instruments_shutdown(self):
self.lock.channel_1_type = 'X'
if __name__ == '__main__':
proc = FieldTest()
# Define a sweep over prarameters
sw = Sweep(proc)
values = np.append(
np.append(np.arange(0.1, 105, 5), np.arange(200, 1100, 50)),
np.arange(2000, 7000, 500)).tolist()
sw.add_parameter_hack(proc.frequency, values)
# Define a writer
sw.add_writer('SweepFrequency.h5', 'NoiseVsFreq-30ms', proc.noise)
proc.instruments_init()
for i in sw:
logging.info("Freq, Noise: %f, %g" %
(proc.frequency.value, proc.noise.value))
proc.instruments_shutdown()
for param in self._parameters:
self._parameters[param].push()
for quant in self._quantities:
self._quantities[quant].measure()
def instruments_shutdown(self):
self.bop.current = 0.0
if __name__ == '__main__':
proc = CurrentLoop()
proc.field.value = 390.0
# Define a sweep over prarameters
sw = Sweep(proc)
values = np.append(np.arange(-3.0, 3.01, 0.1), np.arange(3.0, -3.01,
-0.1)).tolist()
sw.add_parameter(proc.dc_bias, values)
# Define a writer
sw.add_writer('data/CurrentLoops.h5', 'SWS2129(2,0)G-(011,09)', 'Loop',
proc.voltage)
# sw.add_writer('data/CurrentLoops.h5', 'Test', proc.voltage)
proc.instruments_init()
for i in sw:
logging.info("Bias (V), Lockin Magnitude (V): {:f}, {:g}".format(
proc.dc_bias.value, proc.voltage.value))
proc.instruments_shutdown()