Exemplo n.º 1
0
    def set_low(self, low, channel=1):
        """ Set the low voltage level of the current waveform.

        This changes the low level while keeping the high level fixed.

        Parameters
        ----------
        low : pint.Quantity
            The new low level in volt-compatible units
        """
        low = Q_(low)
        mag = low.to('V').magnitude
        self.inst.write('source{}:voltage:low {}V'.format(channel, mag))
Exemplo n.º 2
0
    def set_high(self, high, channel=1):
        """ Set the high voltage level of the current waveform.

        This changes the high level while keeping the low level fixed.

        Parameters
        ----------
        high : pint.Quantity
            The new high level in volt-compatible units
        """
        high = Q_(high)
        mag = high.to('V').magnitude
        self.inst.write('source{}:voltage:high {}V'.format(channel, mag))
Exemplo n.º 3
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    def set_offset(self, offset, channel=1):
        """ Set the voltage offset of the current waveform.

        This changes the offset while keeping the amplitude fixed.

        Parameters
        ----------
        offset : pint.Quantity
            The new voltage offset in volt-compatible units
        """
        offset = Q_(offset)
        mag = offset.to('V').magnitude
        self.inst.write('source{}:voltage:offset {}V'.format(channel, mag))
Exemplo n.º 4
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    def set_phase(self, phase, channel=1):
        """ Set the phase offset of the current waveform.

        Parameters
        ----------
        phase : pint.Quantity or number
            The new low level in radian-compatible units. Unitless numbers are
            treated as radians.
        """
        phase = Q_(phase)  # This also accepts dimensionless numbers as rads
        if phase < -u.pi or phase > +u.pi:
            raise Exception("Phase out of range. Must be between -pi and +pi")
        mag = phase.to('rad').magnitude
        self.inst.write('source{}:phase {}rad'.format(channel, mag))
Exemplo n.º 5
0
rm = visa.ResourceManager()
rm.list_resources()
from instrumental import instrument,list_instruments,u, Q_
from instrumental.drivers.spectrometers.thorlabs_ccs import CCS
paramsets = list_instruments()
ccs = instrument(paramsets[0])

num_avg = 10
integration_time = '0.01 seconds'
ccs.set_integration_time(integration_time)
integration_time = Q_(integration_time)
wait_time = integration_time/100

start_time =time.time()
for i in range(num_avg):
            time.sleep(integration_time.to('s').magnitude)
            ccs.start_single_scan()
            while not ccs.is_data_ready():
                time.sleep(wait_time.to('s').magnitude)
            temp = ccs.get_scan_data()
            if i == 0:
                data = temp
            else:
                data = data + temp
            if sum(temp >= (1.0 - 1e-5)):
                raise Warning('Raw data is saturated')
y = data / num_avg
x = ccs._wavelength_array
end_time = time.time() -start_time
print(end_time)
plt.plot(x,y)
Exemplo n.º 6
0
 def _set_amplitude(self, val, units, channel):
     val = Q_(val)
     mag = val.to('V').magnitude
     self.inst.write('source{}:voltage {}{}'.format(channel, mag, units))