def do_line_scan_shutter_closed(self):
""" Does the wavelength scan.
After a line scan, the different devices should be increased by 1, etc."""
scan = self.scan
laser = self.devices[scan['laser']['name']]
shutter = self.scan['shutter']
ni_daq = self.devices['NI-DAQ']
ni_daq.driver.digital_output(shutter['port'], False)
if not isinstance(shutter['delay'], Q_):
delay = Q_(shutter['delay'])
else:
delay = shutter['delay']
delay = delay.m_as('s')
if delay > 0:
time.sleep(delay)
ni_daq.driver.digital_output(shutter['port'], True)
print('Pumped Scan')
laser.driver.execute_sweep()
approx_time_to_scan = (
laser.params['stop_wavelength'] -
laser.params['start_wavelength']) / laser.params[
'wavelength_speed'] * laser.params['wavelength_sweeps']
while laser.driver.sweep_condition != 'Stop':
sleep(approx_time_to_scan.m / config.monitor_read_scan)
ni_daq.driver.digital_output(shutter['port'], False)
laser.driver.wavelength = scan['laser']['params']['start_wavelength']
# Repeat with shutter closed to get reference scan
ni_daq.driver.digital_output(shutter['port'], False)
if not isinstance(shutter['delay'], Q_):
delay = Q_(shutter['delay'])
else:
delay = shutter['delay']
delay = delay.m_as('s')
if delay > 0:
time.sleep(delay)
print('Reference Scan')
laser.driver.execute_sweep()
approx_time_to_scan = (
laser.params['stop_wavelength'] -
laser.params['start_wavelength']) / laser.params[
'wavelength_speed'] * laser.params['wavelength_sweeps']
while laser.driver.sweep_condition != 'Stop':
sleep(approx_time_to_scan.m / config.monitor_read_scan)
laser.driver.wavelength = scan['laser']['params']['start_wavelength']
return True
def do_line_scan(self):
""" Does the wavelength scan.
After a line scan, the different devices should be increased by 1, etc."""
scan = self.scan
laser = self.devices[scan['laser']['name']]
shutter = self.scan['shutter']
ni_daq = self.devices['NI-DAQ']
daq = self.daqs['NI-DAQ']
ni_daq.driver.digital_output(shutter['port'], False)
if not isinstance(shutter['delay'], Q_):
delay = Q_(shutter['delay'])
else:
delay = shutter['delay']
delay = delay.m_as('s')
if delay > 0:
time.sleep(delay)
ni_daq.driver.digital_output(shutter['port'], True)
if ni_daq.driver.is_task_complete(daq['monitor_task']):
ni_daq.driver.stop_task(daq['monitor_task'])
ni_daq.driver.trigger_analog(daq['monitor_task'])
laser.driver.execute_sweep()
approx_time_to_scan = (
laser.params['stop_wavelength'] -
laser.params['start_wavelength']) / laser.params[
'wavelength_speed'] * laser.params['wavelength_sweeps']
while laser.driver.sweep_condition != 'Stop':
sleep(approx_time_to_scan.m / config.monitor_read_scan)
ni_daq.driver.digital_output(shutter['port'], False)
laser.driver.wavelength = scan['laser']['params']['start_wavelength']
return True
def update_laser(self):
wavelength = Q_(self.wavelength.text())
power = Q_(self.power.text())
values = {
'wavelength': wavelength,
'powermW': power,
}
self.wavelength_slider.setValue(
(wavelength.m_as(Q_('nm')) - 1480) / 0.0001)
print(values)
