def hahn_echo_variable_delayline(name,
debug=False,
vary_refocussing_time=True,
range_start=-2e-6,
range_end=2e6,
evolution_1_self_trigger=False,
evolution_2_self_trigger=False,
refocussing_time=1e-6):
m = pulsar_delay.ElectronRefocussingTriggered(name)
m.params.from_dict(qt.exp_params['samples'][SAMPLE])
m.params.from_dict(qt.exp_params['protocols']['AdwinSSRO'])
m.params.from_dict(qt.exp_params['protocols'][SAMPLE_CFG]['AdwinSSRO'])
m.params.from_dict(
qt.exp_params['protocols'][SAMPLE_CFG]['AdwinSSRO-integrated'])
m.params.from_dict(qt.exp_params['protocols']['AdwinSSRO+espin'])
m.params.from_dict(qt.exp_params['protocols']['cr_mod'])
m.params.from_dict(qt.exp_params['protocols'][SAMPLE_CFG]['pulses'])
m.params.from_dict(qt.exp_params['protocols']['AdwinSSRO+delay'])
m.params['delay_to_voltage_fitparams'] = np.loadtxt(
'../lt4_V_c_from_dl_fit_20170323_1914.txt')
m.params['delay_to_voltage_fitfunc'] = V_c_from_dl_fit
m.params['pulse_type'] = 'Hermite'
m.params['Ex_SP_amplitude'] = 0
m.params['AWG_to_adwin_ttl_trigger_duration'] = 2e-6
m.params['wait_for_AWG_done'] = 1
m.params['sequence_wait_time'] = 1
m.params['self_trigger_duration'] = 100e-9
# m.params['delay_voltage_DAC_channel'] = 16 # should be moved to msmt_params?
m.params['do_delay_voltage_control'] = 1
pts = 11
m.params['pts'] = pts
m.params['repetitions'] = 1000
if vary_refocussing_time:
m.params['refocussing_time'] = np.linspace(range_start, range_end, pts)
m.params['defocussing_offset'] = 0.0 * np.ones(pts)
m.params['self_trigger_delay'] = m.params['refocussing_time']
m.params['sweep_name'] = 'single-sided free evolution time (us)'
m.params['sweep_pts'] = (m.params['refocussing_time']) * 1e6
else:
m.params['refocussing_time'] = np.ones(pts) * refocussing_time
m.params['defocussing_offset'] = np.linspace(range_start, range_end,
pts)
m.params['self_trigger_delay'] = m.params['refocussing_time']
m.params['sweep_name'] = 'defocussing offset (us)'
m.params['sweep_pts'] = (m.params['defocussing_offset']) * 1e6
# MW pulses
X_pi2 = ps.Xpi2_pulse(m)
X_pi = ps.X_pulse(m)
# Start measurement
m.autoconfig()
print(m.params['delay_voltages'])
m.generate_sequence(upload=True,
pulse_pi2=X_pi2,
pulse_pi=X_pi,
evolution_1_self_trigger=evolution_1_self_trigger,
evolution_2_self_trigger=evolution_2_self_trigger)
if not debug:
m.run(autoconfig=False)
m.save()
m.finish()
def electronRefocussingTriggered(name,
debug=False,
range_start=-2e-6,
range_end=2e-6,
evolution_1_self_trigger=True,
evolution_2_self_trigger=False,
vary_refocussing_time=False,
refocussing_time=200e-6):
m = pulsar_delay.ElectronRefocussingTriggered(name)
m.params.from_dict(qt.exp_params['samples'][SAMPLE])
m.params.from_dict(qt.exp_params['protocols']['AdwinSSRO'])
m.params.from_dict(qt.exp_params['protocols'][SAMPLE_CFG]['AdwinSSRO'])
m.params.from_dict(
qt.exp_params['protocols'][SAMPLE_CFG]['AdwinSSRO-integrated'])
m.params.from_dict(qt.exp_params['protocols']['AdwinSSRO+espin'])
m.params.from_dict(qt.exp_params['protocols']['cr_mod'])
m.params.from_dict(qt.exp_params['protocols'][SAMPLE_CFG]['pulses'])
m.params['pulse_type'] = 'Hermite'
m.params['Ex_SP_amplitude'] = 0
m.params[
'AWG_to_adwin_ttl_trigger_duration'] = 2e-6 # commenting this out gives an erro
m.params['wait_for_AWG_done'] = 1
m.params['sequence_wait_time'] = 1
m.params['do_delay_voltage_control'] = 0
m.params['delay_voltage_DAC_channel'] = 14
pts = 51
m.params['pts'] = pts
m.params['repetitions'] = 1000
#m.params['wait_for_AWG_done']=1
#m.params['evolution_times'] = np.linspace(0,0.25*(pts-1)*1/m.params['N_HF_frq'],pts)
# range from 0 to 1000 us
# calibrated using Hahn echo
m.params['self_trigger_delay'] = 2.950e-6 * np.ones(pts)
m.params['self_trigger_duration'] = 100e-9
if vary_refocussing_time:
m.params['refocussing_time'] = np.linspace(range_start, range_end, pts)
m.params['defocussing_offset'] = 0.0 * np.ones(pts)
m.params['sweep_name'] = 'single-sided free evolution time (us)'
m.params['sweep_pts'] = (m.params['refocussing_time']) * 1e6
else:
m.params['refocussing_time'] = np.ones(pts) * refocussing_time
m.params['defocussing_offset'] = np.linspace(range_start, range_end,
pts)
m.params['sweep_name'] = 'defocussing offset (us)'
m.params['sweep_pts'] = (m.params['defocussing_offset']) * 1e6
# MW pulses
X_pi2 = ps.Xpi2_pulse(m)
X_pi = ps.X_pulse(m)
# for the self-triggering through the delay line
# m.params['self_trigger_delay'] = 500e-9 # 0.5 us
# m.params['self_trigger_duration'] = 100e-9
# Start measurement
m.autoconfig()
m.generate_sequence(upload=True,
pulse_pi2=X_pi2,
pulse_pi=X_pi,
evolution_1_self_trigger=evolution_1_self_trigger,
evolution_2_self_trigger=evolution_2_self_trigger)
if not debug:
m.run(autoconfig=False)
m.save()
m.finish()