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prog.py
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import os
import json
import time
import datetime
import threading
import nidaqmx
import matplotlib.pyplot as plt
import numpy as np
import scipy.constants as C
import TimeTagger as tt
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT as NavigationToolbar
from PyQt5 import QtWidgets
from PyQt5.QtCore import Qt, pyqtSlot
import scheduler
import utils
import ui
from instrument import ASG, Microwave, Laser, LockInAmplifier
from utils.sequence import sequences_to_figure
timeUnitDict = {'s': 1, 'ms': C.milli, 'us': C.micro, 'ns': C.nano, 'ps': C.pico}
freqUnitDict = {'Hz': 1, 'KHz': C.kilo, 'MHz': C.mega, 'GHz': C.giga}
frequencyDomainModes = ['CW', 'Pulse']
timeDomainModes = ['Ramsey', 'Rabi', 'Relaxation', 'HahnEcho', 'HighDecoupling']
schedulerModes = frequencyDomainModes + timeDomainModes
plt.style.use('seaborn-pastel')
class OdmactorGUI(QtWidgets.QMainWindow):
"""
Mainwindow configuration of Odmactor
"""
def __init__(self):
super(OdmactorGUI, self).__init__()
self.ui = ui.Ui_OdmactorMainWindow()
self.ui.setupUi(self)
# initialize other UI components
self.buildUI()
# initialize instrument instances
self.initInstruments()
self.checkInstruments()
# initialize data variables
self.schedulers = {
mode: getattr(scheduler, mode + 'Scheduler')(
laser=self.laser, mw=self.mw, tagger=self.tagger, asg=self.asg,
epoch_omit=5, use_lockin=self.useLockin,
output_dir=os.path.join(os.path.expanduser('~'), 'Downloads', 'odmactor-output')
) for mode in schedulerModes
}
# fetch parameters from initial UI
self.fetchParameters()
# photon count config (tagger counter measurement class)
self.updatePhotonCountConfig()
if self.tagger: # initialize Counter on Tagger
self.counter = tt.Counter(self.tagger, **self.photonCountConfig)
self.counter.stop()
else:
self.counter = None
if self.lockin: # initialize DAQ task on Lockin
self.daqtask = nidaqmx.Task()
self.daqtask.ai_channels.add_ai_voltage_chan("Dev1/ai0")
self.daqcache = []
else:
self.daqtask = None
# initial charts
self.initCharts()
def initInstruments(self):
"""
Initialize instances representing specific instruments, i.e, Laser, Microwave, ASG, Tagger, Lock-in, etc.
"""
self.laser = Laser()
self.asg = ASG()
try:
self.mw = Microwave()
self.ui.doubleSpinBoxMicrowaveFrequency.setValue(self.mw.get_frequency() / C.giga)
self.ui.doubleSpinBoxMicrowavePower.setValue(self.mw.get_power())
except:
self.mw = None
if tt.scanTimeTagger():
self.tagger = tt.createTimeTagger()
else:
self.tagger = None
try:
self.lockin = LockInAmplifier()
except:
self.lockin = None
def releaseInstruments(self):
"""
Close all instruments, i.e., Laser, Microwave, ASG, Tagger, Lock-in, etc.
"""
self.laser.close()
self.mw.close()
self.asg.close()
if isinstance(self.tagger, tt.TimeTagger):
tt.freeTimeTagger(self.tagger)
def initCharts(self):
"""
Initialize charts of measurement results, i.e., Photon Count, Sequences, Frequency-domain ODMR, Time-domain ODMR
"""
###################################
# visualize ASG sequences
self.seqFigCanvas = FigureCanvas(sequences_to_figure(self.sequences))
self.layoutSequenceVisualization = QtWidgets.QVBoxLayout(self.ui.widgetSequenceVisualization)
self.layoutSequenceVisualization.addWidget(self.seqFigCanvas) # 添加FigureCanvas对象
self.layoutSequenceVisualization.setContentsMargins(0, 0, 0, 0)
self.layoutSequenceVisualization.setSpacing(0)
###################################
# initialize photon count chart: figure canvas, toolbar, axes, timer
self.canvasPhotonCount = FigureCanvas(plt.figure()) # figure canvas
self.naviBarPhotonCount = NavigationToolbar(self.canvasPhotonCount, self.ui.widgetPhotonCountVisualization)
self.layoutPhotonCountVisualization = QtWidgets.QVBoxLayout(self.ui.widgetPhotonCountVisualization)
self.layoutPhotonCountVisualization.addWidget(self.naviBarPhotonCount)
self.layoutPhotonCountVisualization.addWidget(self.canvasPhotonCount)
self.layoutPhotonCountVisualization.setContentsMargins(0, 0, 0, 0)
self.layoutPhotonCountVisualization.setSpacing(0)
self.axesPhotonCount = self.canvasPhotonCount.figure.subplots()
self.axesPhotonCount.set_xlabel('Time (s)', fontsize=13)
self.axesPhotonCount.set_ylabel('Count', fontsize=13)
self.timerPhotonCount = self.canvasPhotonCount.new_timer(100, [(self.updatePhotonCountChart, (), {})])
###################################
# initialize frequency-domain ODMR chart: figure canvas, toolbar, axes, timer
self.canvasODMRFrequency = FigureCanvas(plt.figure()) # figure canvas
self.naviBarODMRFrequency = NavigationToolbar(self.canvasODMRFrequency,
self.ui.widgetODMRFrequencyVisualization)
self.layoutODMRFrequencyVisualization = QtWidgets.QVBoxLayout(self.ui.widgetODMRFrequencyVisualization)
self.layoutODMRFrequencyVisualization.addWidget(self.naviBarODMRFrequency)
self.layoutODMRFrequencyVisualization.addWidget(self.canvasODMRFrequency)
self.layoutODMRFrequencyVisualization.setContentsMargins(0, 0, 0, 0)
self.layoutODMRFrequencyVisualization.setSpacing(0)
self.axesODMRFrequency = self.canvasODMRFrequency.figure.subplots()
self.axesODMRFrequency.set_xlabel('Frequency (Hz)', fontsize=13)
self.axesODMRFrequency.set_ylabel('Count/Contrast', fontsize=13)
self.timerODMRFrequency = self.canvasODMRFrequency.new_timer(100, [(self.updateODMRFrequencyChart, (), {})])
###################################
# initialized time-domain ODMR chart
self.canvasODMRTime = FigureCanvas(plt.figure())
self.naviBarODMRTime = NavigationToolbar(self.canvasODMRTime, self.ui.widgetODMRTimeVisualization)
self.layoutODMRTimeVisualization = QtWidgets.QVBoxLayout(self.ui.widgetODMRTimeVisualization)
self.layoutODMRTimeVisualization.addWidget(self.naviBarODMRTime)
self.layoutODMRTimeVisualization.addWidget(self.canvasODMRTime)
self.layoutODMRTimeVisualization.setContentsMargins(0, 0, 0, 0)
self.layoutODMRTimeVisualization.setSpacing(0)
self.axesODMRTime = self.canvasODMRTime.figure.subplots()
self.axesODMRTime.set_xlabel('Time (s)', fontsize=13)
self.axesODMRTime.set_ylabel('Count/Contrast', fontsize=13)
self.timerODMRTime = self.canvasODMRTime.new_timer(100, [(self.updateODMRTimeChart, (), {})])
def fetchParameters(self):
"""
Fetch necessary parameters from UI components and initialize them into properties of the class
"""
# ASG sequences from table widget
self.sequences = [] # unit: ns
self.fetchSequencesfromTableWidget() # sequences with each element equal to 0 has been set in self.buildUI()
# self.sequences[-1] = [10, 0]
# Laser, MW, ASG, tagger counter #
# initialize other necessary parameters
self.updatePiPulse()
self.updateASGChannels()
self.updateTaggerChannels()
def updatePiPulse(self):
self.piPulse = {
'frequency': self.ui.doubleSpinBoxMicrowavePiPulseFrequency.value(),
'duration': self.ui.doubleSpinBoxMicrowavePiPulseDuration.value(),
'power': self.ui.doubleSpinBoxMicrowavePiPulsePower.value()
}
self.piPulse['frequency'] *= freqUnitDict[self.ui.comboBoxMicrowavePiPulseFrequencyUnit.currentText()]
self.piPulse['duration'] *= timeUnitDict[self.ui.comboBoxMicrowavePiPulseDurationUnit.currentText()]
if self.ui.comboBoxMicrowavePiPulsePowerUnit.currentText() == 'mW':
self.piPulse['power'] = utils.mW_to_dBm(self.piPulse['power'])
for mode in schedulerModes:
self.schedulers[mode].pi_pulse['freq'] = self.piPulse['frequency']
self.schedulers[mode].pi_pulse['power'] = self.piPulse['power']
self.schedulers[mode].pi_pulse['time'] = self.piPulse['duration']
def updateASGChannels(self):
self.asgChannels = {
'laser': int(self.ui.comboBoxASGLaser.currentText()),
'mw': int(self.ui.comboBoxASGMicrowave.currentText()),
'apd': int(self.ui.comboBoxTaggerAPD.currentText()),
'tagger': int(self.ui.comboBoxASGTagger.currentText()),
'mw_sync': int(self.ui.comboBoxASGMicrowaveSync.currentText()),
'lockin_sync': int(self.ui.comboBoxASGLockinSync.currentText())
}
def updateTaggerChannels(self):
self.taggerChannels = {
'apd': int(self.ui.comboBoxTaggerAPD.currentText()),
'asg': int(self.ui.comboBoxTaggerTrigger.currentText())
}
def updatePhotonCountConfig(self):
unit = timeUnitDict[self.ui.comboBoxBinwidthUnit.currentText()]
self.photonCountConfig = {
'channels': [int(self.ui.comboBoxTaggerAPD.currentText())],
'binwidth': int(unit * self.ui.spinBoxBinwidth.value() / C.pico), # unit: ps
'n_values': self.ui.spinBoxCountNumber.value()
}
self.daqcache = [0] * self.photonCountConfig['n_values']
def buildUI(self):
# status bar
self.labelInstrStatus = QtWidgets.QLabel(self)
self.labelInstrStatus.setText('Instrument Status:')
self.ui.statusbar.addWidget(self.labelInstrStatus)
# progress bar
self.progressBar = QtWidgets.QProgressBar(self)
self.progressBar.setMinimumWidth(200)
self.progressBar.setFormat('%p%') # %p%, %v
self.ui.statusbar.addPermanentWidget(self.progressBar)
# table widget
# self.ui.tableWidgetSequence.horizontalHeader().setStyleSheet('QHeaderView::section{background:lightblue;}')
self._cache = {
'table_origin_row_count': self.ui.tableWidgetSequence.rowCount(),
'table_origin_column_count': self.ui.tableWidgetSequence.columnCount()
}
for i in range(self.ui.tableWidgetSequence.rowCount()):
for j in range(self.ui.tableWidgetSequence.columnCount()):
item = QtWidgets.QTableWidgetItem(str(0))
item.setTextAlignment(Qt.AlignRight | Qt.AlignVCenter)
self.ui.tableWidgetSequence.setItem(i, j, item)
# other settings
self.ui.groupBoxODMRFrequency.setChecked(True)
self.ui.radioButtonODMRCW.setChecked(True)
self.schedulerMode = 'CW'
self.ui.radioButtonUseLockin.setChecked(True)
self.ui.radioButtonUseTagger.setChecked(False)
self.useLockin = True
def checkInstruments(self):
"""
Check whether necessary instruments are ready or not, and show the information on the status bar
"""
txt = self.labelInstrStatus.text()
laserStatus = 'ready' # Laser is not implemented in programs
asgStatus = 'connected' if self.asg.connect() else 'None'
taggerStatus = 'connected' if self.tagger else 'None'
if self.mw is None or self.mw.is_connection_active() is False:
mwStatus = 'None'
else:
mwStatus = 'connected'
txt += 'Laser: {}, Microwave: {}, ASG: {}, Tagger: {}'.format(laserStatus, mwStatus, asgStatus, taggerStatus)
self.labelInstrStatus.setText(txt)
###########################################
# Menu bar
################
# About information
@pyqtSlot()
def on_actionAbout_triggered(self):
txt = 'Version:\t {}\n'.format('1.0.0')
txt += 'Date:\t {}\n'.format('March, 2022')
txt += 'Author:\t {}\n'.format('Zhaohui Yang')
txt += 'Email:\t {}\n'.format('[email protected]')
txt += 'Brief:\t {}\n'.format('A soft-hardware-integrated operation software for ODMR and spin manipulation. '
'Anyone is welcome to contact the author!')
QtWidgets.QMessageBox.about(self, 'Software Information', txt)
@pyqtSlot()
def on_actionHelp_triggered(self):
manual_website = 'https://github.com/Youngcius/odmactor/three/master/asset/doc/manual.md'
txt = 'Please refer the <a href = {}>online user manual</a>. ' \
'Or contact the author whose email is on the "About" page.'.format(manual_website)
QtWidgets.QMessageBox.about(self, 'Help', txt)
@pyqtSlot()
def on_actionQtInfo_triggered(self):
QtWidgets.QMessageBox.aboutQt(self)
###########################################
# Generic instruments configuration
################
# Laser
@pyqtSlot(bool)
def on_radioButtonLaserCW_clicked(self, checked):
if checked:
self.laserMode = 'CW'
@pyqtSlot(bool)
def on_radioButtonLaserPulse_clicked(self, checked):
if checked:
self.laserMode = 'Pulse'
@pyqtSlot(bool)
def on_pushButtonLaserOnOff_clicked(self, checked):
if checked:
self.laser.start()
self.labelInstrStatus.setText('Laser: started')
else:
self.laser.stop()
self.labelInstrStatus.setText('Laser: stopped')
@pyqtSlot()
def on_pushButtonLaserConnect_clicked(self):
self.laser.connect()
self.labelInstrStatus.setText('Laser: connected') # connect fail or success?
@pyqtSlot()
def on_pushButtonLaserClose_clicked(self):
self.laser.close()
self.labelInstrStatus.setText('Laser: closed')
@pyqtSlot(float)
def on_doubleSpinBoxLaserPower_vaueChanged(self, power):
self.laser.set_power(power)
# Microwave
@pyqtSlot(float)
def on_doubleSpinBoxMicrowaveFrequency_valueChanged(self, freq):
freq *= freqUnitDict[self.ui.comboBoxMicrowaveFrequencyUnit.currentText()]
self.mw.set_frequency(freq)
@pyqtSlot(float)
def on_doubleSpinBoxMicrowavePower_valueChanged(self, power):
if self.ui.comboBoxMicrowavePowerUnit.currentText() == 'mW':
power *= utils.mW_to_dBm(power)
self.mw.set_power(power)
@pyqtSlot(bool)
def on_pushButtonMicrowaveOnOff_clicked(self, checked):
if isinstance(self.mw, Microwave) and self.mw.connect():
if checked:
self.mw.start()
self.labelInstrStatus.setText('Microwave: started')
if self.ui.groupBoxMicrowaveTimer.isChecked():
time.sleep(self.ui.doubleSpinBoxMicrowaveTimerTime.value() * timeUnitDict[
self.ui.comboBoxMicrowaveTimerTimeUnit.currentText()])
self.mw.stop()
self.ui.pushButtonMicrowaveOnOff.setChecked(False)
self.labelInstrStatus.setText('Microwave: stopped')
else:
self.mw.stop()
self.labelInstrStatus.setText('Microwave: stopped')
else:
self.labelInstrStatus.setText(color_str('Microwave: not connected'))
@pyqtSlot()
def on_pushButtonMicrowaveConnect_clicked(self):
if isinstance(self.mw, Microwave):
if self.mw.connect():
self.labelInstrStatus.setText('Microwave: connected')
else:
self.labelInstrStatus.setText(color_str('Microwave: connect fail'))
else:
try:
self.mw = Microwave()
self.labelInstrStatus.setText('Microwave: connected')
except:
self.labelInstrStatus.setText(color_str('Microwave: connect fail'))
@pyqtSlot()
def on_pushButtonMicrowaveClose_clicked(self):
if isinstance(self.mw, Microwave):
self.mw.close()
self.labelInstrStatus.setText('Microwave: closed')
# PI pulse
@pyqtSlot(float)
def on_doubleSpinBoxMicrowavePiPulseDuration_valueChanged(self, duration):
# self.piPulse['duration'] = self.ui.doubleSpinBoxMicrowavePiPulseDuration.value()
self.piPulse['duration'] = duration * timeUnitDict[self.ui.comboBoxMicrowavePiPulseDurationUnit.currentText()]
for mode in schedulerModes:
self.schedulers[mode].pi_pulse['time'] = self.piPulse['duration']
@pyqtSlot(float)
def on_doubleSpinBoxMicrowavePiPulseFrequency_valueChanged(self, freq):
self.piPulse['frequency'] = freq * freqUnitDict[self.ui.comboBoxMicrowavePiPulseFrequencyUnit.currentText()]
for mode in schedulerModes:
self.schedulers[mode].pi_pulse['freq'] = self.piPulse['frequency']
@pyqtSlot(float)
def on_doubleSpinBoxMicrowavePiPulsePower_valueChanged(self, power):
self.piPulse['power'] = power
if self.ui.comboBoxMicrowavePiPulsePowerUnit.currentText() == 'mW':
self.piPulse['power'] = utils.mW_to_dBm(self.piPulse['power'])
for mode in schedulerModes:
self.schedulers[mode].pi_pulse['power'] = self.piPulse['power']
# ASG channels
@pyqtSlot()
def on_comboBoxASGLaser_valueChanged(self):
self.asgChannels['laser'] = int(self.ui.comboBoxASGLaser.currentText())
@pyqtSlot()
def on_comboBoxASGMicrowave_valueChanged(self):
self.asgChannels['mw'] = int(self.ui.comboBoxASGMicrowave.currentText())
@pyqtSlot()
def on_comboBoxASGAPD_valueChanged(self):
self.asgChannels['apd'] = int(self.ui.comboBoxASGAPD.currentText())
@pyqtSlot()
def on_comboBoxASGTagger_valueChanged(self):
self.asgChannels['tagger'] = int(self.ui.comboBoxASGTagger.currentText())
@pyqtSlot()
def on_comboBoxASGMicrowaveSync_valueChanged(self):
self.asgChannels['mw_sync'] = int(self.ui.comboBoxASGMicrowaveSync.currentText())
@pyqtSlot()
def on_comboBoxASGLockinSync_valueChanged(self):
self.asgChannels['lockin_sync'] = int(self.ui.comboBoxASGLockinSync.currentText())
# Tagger channels
@pyqtSlot()
def on_comboBoxTaggerAPD_valueChanged(self):
self.taggerChannels['apd'] = int(self.ui.comboBoxTaggerAPD.currentText())
@pyqtSlot()
def on_comboBoxTaggerASG_valueChanged(self):
self.taggerChannels['asg'] = int(self.ui.comboBoxTaggerTrigger.currentText())
###########################################
# ODMR measurement parameters
################
# Exclusive groups
@pyqtSlot(bool)
def on_groupBoxODMRFrequency_clicked(self, checked):
if checked:
self.ui.groupBoxODMRTime.setChecked(False)
@pyqtSlot(bool)
def on_groupBoxODMRTime_clicked(self, checked):
if checked:
self.ui.groupBoxODMRFrequency.setChecked(False)
# Operation
@pyqtSlot(bool)
def on_radioButtonUseLockin_clicked(self, checked):
self.useLockin = checked
@pyqtSlot(bool)
def on_radioButtonUseTagger_clicked(self, checked):
self.useLockin = not checked
@pyqtSlot()
def on_pushButtonODMRLoadSequences_clicked(self):
"""
Fetch sequences parameters to generate ASG sequences, load it into ASG and visualize
"""
self.schedulers[self.schedulerMode].connect()
self.odmrSeqConfig = {
'N': self.ui.spinBoxODMRPeriodNumber.value(),
'withReference': self.ui.checkBoxODMRWithReference.isChecked(),
'MicrowaveOnOff': self.ui.checkBoxODMRMicrowaveOnOff.isChecked(),
'laserInit': self.ui.spinBoxODMRLaserTime.value(),
'laserMicrowaveInterval': self.ui.spinBoxODMRLaserMicrowaveInterval.value(),
'microwaveTime': self.ui.spinBoxODMRMicrowaveTime.value(),
'microwaveReadoutInterval': self.ui.spinBoxODMRMicrowaveReadoutInterval.value(),
'previousReadoutInterval': self.ui.spinBoxODMRPreReadoutInterval.value(),
'signalReadout': self.ui.spinBoxODMRSignalReadoutTime.value(),
'signalReferenceInterval': self.ui.spinBoxODMRSignalReferenceInterval.value(),
'periodInterval': self.ui.spinBoxODMRPeriodInterval.value()
}
self.schedulers[self.schedulerMode].with_ref = self.odmrSeqConfig['withReference']
self.schedulers[self.schedulerMode].mw_on_off = self.odmrSeqConfig['MicrowaveOnOff']
self.schedulers[self.schedulerMode].asg_control_mw_on_off = not self.odmrSeqConfig[
'MicrowaveOnOff'] # hardware fault
self.schedulers[self.schedulerMode].set_asg_sequences_ttl(
laser_ttl=1 if self.ui.checkBoxASGLaserTTL.isChecked() else 0,
mw_ttl=1 if self.ui.checkBoxASGMicrowaveTTL.isChecked() else 0,
apd_ttl=1 if self.ui.checkBoxASGAPDTTL.isChecked() else 0,
tagger_ttl=1 if self.ui.checkBoxASGTaggerTTL.isChecked() else 0,
)
self.schedulers[self.schedulerMode].use_lockin = self.useLockin
self.schedulers[self.schedulerMode].order = self.ui.spinBoxODMRDecouplingOrder.value() # PI pulse number for DD
if self.schedulerMode == 'CW':
period = max(self.odmrSeqConfig['laserInit'], self.odmrSeqConfig['microwaveTime'])
self.schedulers[self.schedulerMode].configure_odmr_seq(period=period, N=self.odmrSeqConfig['N'])
else:
self.schedulers[self.schedulerMode].configure_odmr_seq(
t_init=self.odmrSeqConfig['laserInit'],
t_mw=self.odmrSeqConfig['microwaveTime'],
t_read_sig=self.odmrSeqConfig['signalReadout'],
inter_init_mw=self.odmrSeqConfig['laserMicrowaveInterval'],
pre_read=self.odmrSeqConfig['previousReadoutInterval'],
inter_mw_read=self.odmrSeqConfig['microwaveReadoutInterval'],
inter_readout=self.odmrSeqConfig['signalReferenceInterval'],
inter_period=self.odmrSeqConfig['periodInterval'],
N=self.odmrSeqConfig['N'],
)
if self.schedulerMode in timeDomainModes:
self.schedulers[self.schedulerMode].gene_pseudo_detect_seq()
if self.schedulerMode == 'CW':
self.sequences = self.schedulers[self.schedulerMode].sequences
else:
self.sequences = self.schedulers[self.schedulerMode].sequences_no_sync # not plot sync seqs
self.feedSequencesToTabkeWidget()
self.updateSequenceChart()
self.asg.load_data(self.sequences)
@pyqtSlot()
def on_pushButtonODMRStartDetecting_clicked(self):
"""
Action:
1) set MW paras
2) set ASG sequences (done in `on_pushButtonODMRLoadSequences_clicked` action)
3) set scanned frequency range or time intervals range
4) set counter (Time Tagger or Lock-in Amplifier)
5) run scanning
The series of actions are conducted by `startFrequencyDomainDetecting` or `startTimeDomainDetecting` function
"""
self.schedulers[self.schedulerMode].connect()
# configure frequencies or timer intervals for scanning
if self.ui.groupBoxODMRFrequency.isChecked():
self.configureFrequencyDomainDetecting()
else:
self.configureTimeDomainDetecting()
# configure counter
if self.useLockin:
self.schedulers[self.schedulerMode].configure_lockin_counting(
freq=self.ui.spinBoxODMRSyncFrequency.value()
)
else:
self.schedulers[self.schedulerMode].configure_tagger_counting(
apd_channel=self.taggerChannels['apd'],
asg_channel=self.taggerChannels['asg'],
reader='counter' if self.schedulerMode == 'CW' else 'cbm'
)
# conduct ODMR scheduling and update real-time chart
t = threading.Thread(target=self.schedulers[self.schedulerMode].run_scanning)
t.start()
if self.ui.groupBoxODMRFrequency.isChecked():
self.timerODMRFrequency.start()
else:
self.timerODMRTime.start()
def configureFrequencyDomainDetecting(self):
"""
Start frequency-domain ODMR detecting experiments, i.e., CW or Pulse
"""
unit_freq = freqUnitDict[self.ui.comboBoxODMRFrequencyUnit.currentText()]
freq_start = self.ui.doubleSpinBoxODMRFrequencyStart.value() * unit_freq
freq_end = self.ui.doubleSpinBoxODMRFrequencyEnd.value() * unit_freq
freq_step = self.ui.doubleSpinBoxODMRFrequencyStep.value() * unit_freq
self.schedulers[self.schedulerMode].set_mw_freqs(freq_start, freq_end, freq_step)
self.progressBar.setMaximum(len(self.schedulers[self.schedulerMode].frequencies))
def configureTimeDomainDetecting(self):
"""
Start time-domain ODMR detecting experiments, i.e., Ramsey, Rabi, Relaxation, ect.
"""
unit_time = timeUnitDict[self.ui.comboBoxODMRTimeUnit.currentText()]
time_start = self.ui.doubleSpinBoxODMRTimeStart.value() * unit_time / C.nano
time_end = self.ui.doubleSpinBoxODMRTimeEnd.value() * unit_time / C.nano
time_step = self.ui.doubleSpinBoxODMRTimeStep.value() * unit_time / C.nano
time_length = self.ui.spinBoxODMRTimeLength.value()
if self.ui.radioButtonODMRTimeUseStep.isChecked():
self.schedulers[self.schedulerMode].set_delay_times(time_start, time_end, time_step)
elif self.ui.radioButtonODMRTimeUseLength.isChecked():
self.schedulers[self.schedulerMode].set_delay_times(time_start, time_end, length=time_length)
elif self.ui.radioButtonODMRTimeUseLengthAndLogarithm.isChecked():
self.schedulers[self.schedulerMode].set_delay_times(time_start, time_end, length=time_length,
logarithm=True)
self.progressBar.setMaximum(len(self.schedulers[self.schedulerMode].times))
@pyqtSlot()
def on_pushButtonODMRSaveData_clicked(self):
"""
Open a dialog --> select directory --> designate file name --> save to disk
"""
timestamp = datetime.datetime.now().strftime('%Y-%m-%d_%H-%M-%S')
fname = os.path.join(
os.path.expanduser('~'),
'Downloads',
'odmactor-{}-scheduler-result-detail-{}.json'.format(self.schedulerMode.lower(), timestamp)
)
with open(fname, 'w') as f:
json.dump(self.schedulers[self.schedulerMode].result_detail, f)
self.labelInstrStatus.setText('Saved in {}'.format(self.schedulers[self.schedulerMode].output_dir))
# ODMR cheduler mode
def connectScheduler(self, mode: str):
"""
Allocate hardware resources to one specific scheduler (this function only change `schedulerMode` parameter)
"""
if mode not in schedulerModes:
raise ValueError('{} is not a supported scheduler type'.format(mode))
self.schedulerMode = mode
# for k, scheduler in self.schedulers.keys():
# if k != mode:
# scheduler.close() # no need to release instruments, because instruments are shared variables
# self.schedulers[mode].connect()
@pyqtSlot(bool)
def on_radioButtonODMRCW_clicked(self, checked):
if checked:
try:
self.connectScheduler('CW')
self.labelInstrStatus.setText('CW Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('CW Scheduler: not ready'))
@pyqtSlot(bool)
def on_radioButtonODMRPulse_clicked(self, checked):
if checked:
try:
self.connectScheduler('Pulse')
self.labelInstrStatus.setText('Pulse Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('Pulse Scheduler: not ready'))
@pyqtSlot(bool)
def on_radioButtonODMRRamsey_clicked(self, checked):
if checked:
try:
self.connectScheduler('Ramsey')
self.labelInstrStatus.setText('Ramsey Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('Ramsey Scheduler: not ready'))
@pyqtSlot(bool)
def on_radioButtonODMRRabi_clicked(self, checked):
if checked:
try:
self.connectScheduler('Rabi')
self.labelInstrStatus.setText('Rabi Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('Rabi Scheduler: not ready'))
@pyqtSlot(bool)
def on_radioButtonODMRRelaxation_clicked(self, checked):
if checked:
try:
self.connectScheduler('Relaxation')
self.labelInstrStatus.setText('Relaxation Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('Relaxation Scheduler: not ready'))
@pyqtSlot(bool)
def on_radioButtonODMRHahnEcho_clicked(self, checked):
if checked:
try:
self.connectScheduler('HahnEcho')
self.labelInstrStatus.setText('Hahn Echo Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('Hahn echo Scheduler: not ready'))
@pyqtSlot(bool)
def on_radioButtonODMRHighOrderDD_clicked(self, checked):
if checked:
try:
self.connectScheduler('HighDecoupling')
self.labelInstrStatus.setText('High-order dynamical decoupling Scheduler: ready')
except:
self.labelInstrStatus.setText(color_str('High-order dynamical decoupling Scheduler: not ready'))
###########################################
# Photon count configuration
################
@pyqtSlot(bool)
def on_pushButtonPhotonCountOnOff_clicked(self, checked):
"""
Start to count using Time Tagger of Lock-in Amplifier
:param checked: if True, reload parameters to start counting; otherwise, stop counting
"""
if checked:
self.updatePhotonCountConfig()
if self.useLockin: # using Lockin Amplifier
pass
else: # using Time Tagger
try:
self.counter = tt.Counter(self.tagger, **self.photonCountConfig)
self.counter.start()
except:
self.labelInstrStatus.setText(color_str('No Time Tagger to detect photons'))
self.timerPhotonCount.start()
else:
if self.useLockin: # using Lockin Amplifier
pass
else: # using Time Tagger
try:
self.counter.stop()
except:
pass
self.timerPhotonCount.stop()
@pyqtSlot()
def on_pushButtonPhotonCountRefresh_clicked(self):
"""
Clear series data of the chart, restart counting
"""
self.axesPhotonCount.clear()
self.axesODMRFrequency.set_xlabel('Time (s)', fontsize=13)
if self.ui.radioButtonPhotonCountRate.isChecked():
self.axesODMRFrequency.set_ylabel('Count rate', fontsize=13)
else:
self.axesODMRFrequency.set_ylabel('Count number', fontsize=13)
try:
self.counter.clear()
except:
self.labelInstrStatus.setText(color_str('No Time Tagger to detect photons'))
@pyqtSlot()
def on_pushButtonPhotonCountSaveData_clicked(self):
"""
Save data in form of JSON file in default
"""
# a dict instance --> a JSON file --> JSON file
timestamp = datetime.datetime.now()
if self.useLockin:
data = {
'channel': self.photonCountConfig['channels'][0],
'time': (np.arange(0, self.photonCountConfig['n_values']) * 0.1).tolist(),
'magnitude': self.daqcache,
'timestamp': str(timestamp),
'device': 'Lockin Amplifier'
}
else:
counts = self.counter.getData().ravel()
data = {
'channel': self.photonCountConfig['channels'][0],
'time': (self.counter.getIndex() * C.pico).tolist(),
'count': counts.tolist(),
'count rate (1/s)': (counts / self.photonCountConfig['binwidth'] / C.pico).tolist(),
'timestamp': str(timestamp),
'device': 'Time Tagger'
}
fname = os.path.join( # only consider Windows system default directory
os.path.expanduser('~'),
'Downloads',
'odmactor-counts_' + timestamp.strftime('%Y-%m-%d_%H-%M-%S') + '.json'
)
with open(fname, 'w') as f:
json.dump(data, f)
self.labelInstrStatus.setText('File has been saved in {}'.format(fname))
@pyqtSlot()
def on_pushButtonTaggerConnect_clicked(self):
"""
Re-connect Time Tagger
"""
try:
self.tagger.getSerial()
except:
self.tagger = tt.createTimeTagger()
self.labelInstrStatus.setText('Tagger: connected')
@pyqtSlot()
def on_pushButtonTaggerClose_clicked(self):
"""
Close connection with Tagger
"""
if isinstance(self.tagger, tt.TimeTagger):
tt.freeTimeTagger(self.tagger)
self.labelInstrStatus.setText('Tagger: closed')
###########################################
# ASG sequences configuration
################
def fetchSequencesfromTableWidget(self):
self.sequences.clear()
for i in range(self.ui.tableWidgetSequence.rowCount()):
self.sequences.append([])
for j in range(self.ui.tableWidgetSequence.columnCount()):
self.sequences[i].append(int(self.ui.tableWidgetSequence.item(i, j).text()))
if self.asg is not None:
self.sequences = self.asg.normalize_data(self.sequences)
def feedSequencesToTabkeWidget(self):
max_len = max(map(len, self.sequences))
if max_len > self.ui.tableWidgetSequence.columnCount():
self.ui.tableWidgetSequence.setColumnCount(max_len + max_len % 2)
self.ui.tableWidgetSequence.setHorizontalHeaderLabels(['High', 'Low'] * (max_len + max_len % 2))
for i in range(self.ui.tableWidgetSequence.rowCount()):
for j in range(self.ui.tableWidgetSequence.columnCount()):
item = QtWidgets.QTableWidgetItem(str(0))
item.setTextAlignment(Qt.AlignRight | Qt.AlignVCenter)
self.ui.tableWidgetSequence.setItem(i, j, item)
for i, seq in enumerate(self.sequences):
for j, val in enumerate(seq):
self.ui.tableWidgetSequence.item(i, j).setText(str(val))
def updateSequenceChart(self):
"""
Update sequences chart and add it to the layout widget
"""
self.layoutSequenceVisualization.removeWidget(self.seqFigCanvas)
self.seqFigCanvas = FigureCanvas(sequences_to_figure(self.sequences))
self.layoutSequenceVisualization.addWidget(self.seqFigCanvas) # 添加FigureCanvas对象
self.layoutSequenceVisualization.setContentsMargins(0, 0, 0, 0)
self.layoutSequenceVisualization.setSpacing(0)
def updatePhotonCountChart(self):
"""
Update the real-time photon couting chart
---
1. with Time Tagger
read `n_values` counts to update the last `n_values` counts, there might be data overlapping
2. with Lockin Amplifier:
read new data with fixed length and average aggregation to obtain a single value,
then add it into the cache queue for every fixed time interval, 0.1 second in default
"""
self.axesPhotonCount.clear()
self.axesPhotonCount.set_xlabel('Time (s)', fontsize=13)
if self.useLockin:
self.daqcache.append(np.mean(self.daqtask.read(number_of_samples_per_channel=100)))
self.daqcache.pop(0)
counts = self.daqcache
times = np.arange(0, self.photonCountConfig['n_values']) * 0.1
self.axesPhotonCount.set_ylabel('Magnitude', fontsize=13)
else:
counts = self.counter.getData().ravel()
times = self.counter.getIndex() * C.pico
if self.ui.radioButtonPhotonCountRate.isChecked():
counts = counts / self.photonCountConfig['binwidth'] / C.pico
self.axesPhotonCount.set_ylabel('Count rate', fontsize=13)
else:
self.axesPhotonCount.set_ylabel('Count number', fontsize=13)
self.axesPhotonCount.plot(times, counts)
self.axesPhotonCount.figure.canvas.draw()
def updateODMRFrequencyChart(self):
"""
Update frequency-domain ODMR results periodically
---
1. with Time Tagger
read one value in each ASG operation period, totally N values
2. with Lock-in Amplifier
read M values after the last ASG operation period, M is not necessarily equal to N
"""
# update series
self.axesODMRFrequency.clear()
self.axesODMRFrequency.set_title('{} Spectrum'.format(self.schedulerMode), fontsize=15)
self.axesODMRFrequency.set_xlabel('Frequency (Hz)', fontsize=13)
freqs = self.schedulers[self.schedulerMode].frequencies
sig = self.schedulers[self.schedulerMode].cur_data
if self.ui.checkBoxODMRWithReference.isChecked(): # plot contrast
ref = self.schedulers[self.schedulerMode].cur_data_ref
length = len(ref)
if self.ui.radioButtonODMRFrequencyShowCount.isChecked(): # plot two count curves
self.axesODMRFrequency.plot(freqs[:length], sig[:length], 'o-')
self.axesODMRFrequency.plot(freqs[:length], ref, 'o--')
self.axesODMRFrequency.set_ylabel('Count', fontsize=13)
else: # plot one single contrast curve
contrast = [s / r for s, r in zip(sig[:length], ref)]
self.axesODMRFrequency.plot(freqs[:length], contrast, 'o-')
self.axesODMRFrequency.set_ylabel('Contrast', fontsize=13)
else: # plot one single count curve
length = len(sig)
self.axesODMRFrequency.plot(freqs[:length], sig, 'o-')
self.axesODMRFrequency.set_ylabel('Count', fontsize=13)
self.axesODMRFrequency.figure.canvas.draw()
# update progress bar
cur_freq = self.schedulers[self.schedulerMode].cur_freq
if cur_freq in freqs:
self.progressBar.setValue(freqs.index(cur_freq) + 1)
if not self.schedulers[self.schedulerMode].is_running:
self.labelInstrStatus.setText(f'{self.schedulerMode} Scheduler: done. '
f'Data has been saved in {self.schedulers[self.schedulerMode].output_fname}')
self.timerODMRFrequency.stop()
self.progressBar.setValue(-1)
def updateODMRTimeChart(self):
"""
Update time-domain ODMR results periodically
---
1. with Time Tagger
read one value in each ASG operation period, totally N values
2. with Lock-in Amplifier
read M values after the last ASG operation period, M is not necessarily equal to N
"""
# update series
self.axesODMRTime.clear()
self.axesODMRTime.set_title('{} Measurement'.format(self.schedulerMode), fontsize=15)
self.axesODMRTime.set_xlabel('Time (s)', fontsize=13)
times = self.schedulers[self.schedulerMode].times
sig = self.schedulers[self.schedulerMode].cur_data
if self.ui.checkBoxODMRWithReference.isChecked(): # plot contrast
ref = self.schedulers[self.schedulerMode].cur_data_ref
length = len(ref)
if self.ui.radioButtonODMRTimeShowCount.isChecked(): # plot two count curves
self.axesODMRTime.plot(times[:length], sig[:length], 'o-')
self.axesODMRTime.plot(times[:length], ref, 'o--')
self.axesODMRTime.set_ylabel('Count', fontsize=13)
else:
contrast = [s / r for s, r in zip(sig[:length], ref)]
self.axesODMRTime.plot(times[:length], contrast, 'o-')
self.axesODMRTime.set_ylabel('Contrast', fontsize=13)
else: # plot count
length = len(sig)
self.axesODMRTime.plot(times[:length], sig, 'o-')
self.axesODMRTime.set_ylabel('Count', fontsize=13)
self.axesODMRTime.figure.canvas.draw()
# update progress bar
cur_time = self.schedulers[self.schedulerMode].cur_time
if cur_time in times:
self.progressBar.setValue(times.index(cur_time) + 1)
if not self.schedulers[self.schedulerMode].is_running:
self.labelInstrStatus.setText(f'{self.schedulerMode} Scheduler: done. '
f'Data has been saved in {self.schedulers[self.schedulerMode].output_fname}')
self.timerODMRTime.stop()
self.progressBar.setValue(-1)
@pyqtSlot()
def on_pushButtonASGOpen_clicked(self):
c = self.asg.connect()
if c == 1:
self.labelInstrStatus.setText('ASG: connect success')
else:
self.labelInstrStatus.setText(color_str('ASG: connect fail'))
@pyqtSlot()
def on_pushButtonASGClose_clicked(self):
if self.asg.close():
self.labelInstrStatus.setText('ASG: closed')
else:
self.labelInstrStatus.setText(color_str('ASG: close fail'))
@pyqtSlot()
def on_pushButtonASGStart_clicked(self):
if self.asg.start():
self.labelInstrStatus.setText('ASG: started')
else:
self.labelInstrStatus.setText(color_str('ASG: start fail'))
@pyqtSlot()
def on_pushButtonASGStop_clicked(self):
if self.asg.stop():
self.labelInstrStatus.setText('ASG: stopped')
else:
self.labelInstrStatus.setText(color_str('ASG: stop fail'))
@pyqtSlot()
def on_pushButtonASGLoad_clicked(self):
# 1) fetch sequences data and visualize
self.fetchSequencesfromTableWidget()
try:
self.asg.load_data(self.sequences)
self.updateSequenceChart()
self.labelInstrStatus.setText('ASG: sequences loaded')
except:
self.labelInstrStatus.setText(color_str('ASG: abnormal sequence, not loaded'))
# 2) load sequences into current scheduler
try:
self.schedulers[self.schedulerMode].config_sequences(self.sequences)
except:
self.labelInstrStatus.setText(color_str('ASG: abnormal sequence, not loaded'))
@pyqtSlot()
def on_pushButtonASGClear_clicked(self):
"""
Clear data of the table widget and corresponding figure, the `sequences` data field; set column to origin number
"""
for i in range(self.ui.tableWidgetSequence.rowCount()):
for j in range(self.ui.tableWidgetSequence.columnCount()):
self.ui.tableWidgetSequence.item(i, j).setText(str(0))
self.ui.tableWidgetSequence.setRowCount(self._cache['table_origin_row_count'])
self.ui.tableWidgetSequence.setColumnCount(self._cache['table_origin_column_count'])
self.sequences = [[0, 0] for _ in range(8)]
self.updateSequenceChart()
@pyqtSlot()
def on_pushButtonASGAdd_clicked(self):
"""
Add additional two columns on the table widget
"""
rowCount = self.ui.tableWidgetSequence.rowCount()
originColumnCount = self.ui.tableWidgetSequence.columnCount()
self.ui.tableWidgetSequence.setColumnCount(originColumnCount + 2)
self.ui.tableWidgetSequence.setHorizontalHeaderLabels(['High', 'Low'] * int(originColumnCount / 2 + 1))