135 lines
4.4 KiB
Python
135 lines
4.4 KiB
Python
#Parameters
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FILE = '3-Er_test'
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START_LAMBDA = 1536.00 # in nm
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END_LAMBDA = 1540.00 # in nm
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SWEEP_RATE = 0.01 # in nm/sec
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#ENERGIES = (1300.90, 1302.90) # X-ray energy in eV
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ENERGIES = [ 1400.6 ] # X-ray energy in eV
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ENERGY_CHANGE_SLEEP = 0.5
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MODE = 'CIRC +'
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OFFSET = -5.0
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set_slit(30.0)
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set_har(3.0)
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if NO_BEAM_CHECK == False:
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wait_beam()
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if MODE is not None:
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pol_mode.write(MODE)
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if OFFSET is not None:
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pol_offset.write(OFFSET) #caput('X07MA-ID:ENERGY-OFFS', OFFSET)
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caputq('X07MA-PC:CSCALER.INPB', '1')
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# open shutter
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#caput('X07MA-FE-PH1:CLOSE4BL',1)
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#cawait('X07MA-FE-PH1:MS2', 1)
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if len(ENERGIES) ==2:
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# dif_series = plot([],"Dif", get_context()="Dif")[0].getSeries(0)
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dif_series = plot([],"Dif")[0].getSeries(0)
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else:
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dif_series = None
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set_preference(Preference.ENABLED_PLOTS, ['wavelength', 'tey_norm', 'trans_norm'])
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set_preference(Preference.PLOT_TYPES, {'tey_norm':1, 'trans_norm':1})
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#scan = ManualScan(['field', 'Energy'], ['TEY', 'I0', 'trans', 'polarization', 'polAngle', 'temperature', 'RingCurrent', 'fieldAnalogX', 'tey_norm','trans_norm'], [0.0, ENERGIES[0]], [0.0, ENERGIES[-1]], [0, len(ENERGIES)-1])
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scan = ManualScan(['Wavelength', 'Energy'], ['TEY', 'I0', 'trans', 'polarization', 'polAngle', 'temperature', 'RingCurrent', 'fieldAnalogX', 'fieldX', 'tey_norm','trans_norm'], [0.0, ENERGIES[0]], [0.0, ENERGIES[-1]], [0, len(ENERGIES)-1])
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scan.start()
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write_logs()
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print "Setting laser wavelength..."
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caput("X07MA-ES1-DLCP:SPEED",SWEEP_RATE)
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caput("X07MA-ES1-DLCP:WAVELENGTH",START_LAMBDA)
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caput("X07MA-ES1-DLCP:BEGIN",START_LAMBDA)
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caput("X07MA-ES1-DLCP:END",END_LAMBDA)
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open_valve()
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time.sleep(5.0)
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while True:
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time.sleep(0.5)
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lambda_readback = caget("X07MA-ES1-DLCP:WAVELENGTH_RBV")
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if abs(lambda_readback - START_LAMBDA) < 0.02:
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print "Start wavelength reached."
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break
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#open_valve(2.0)
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print "Set energy..."
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setpoint2 = ENERGIES[0]
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print setpoint2
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energy.write(setpoint2)
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sleep( ENERGY_CHANGE_SLEEP ) # Settling time
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wait_device(energy_done, 1 )
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wait_device(pol_done, "DONE")
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#if WAIT_STABLE_TEMPERATURE == True:
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# wait_temp()
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print "Start laser scan..."
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caput("X07MA-ES1-DLCP:CONTROL",3)
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index = 0
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while(True):
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#Dimension 2START_FIELD = -0.2
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#ArrayPositioner Energy
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for setpoint2 in ENERGIES:
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if len (ENERGIES)>1:
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#Energy.put(setpoint2, timeout=None) # TODO: Set appropriate timeout
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energy.write(setpoint2)
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sleep( ENERGY_CHANGE_SLEEP ) # Settling time
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else:
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sleep( 0.25 ) # TODO: Check
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#TODO: change to Controlled variable?
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readback2 = energy_readback.read() #EnergyReadback.get()
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if abs(readback2 - setpoint2) > 0.1 : # TODO: Check accuracy
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# raise Exception('Energy could not be set to the value ' + str(setpoint2))
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#print 'Energy could not be set to the value, try again. ' + str(setpoint2)
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energy.write(setpoint2)
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sleep( ENERGY_CHANGE_SLEEP ) # Settling time
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#Detector field readback
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lambda_readback = caget("X07MA-ES1-DLCP:WAVELENGTH_RBV")
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#field_readback = field.readback.read() #fieldReadback.get()
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detector1 = signal_tey.read() #TEY.get()
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detector2 = signal_i0.read() #I0.get()
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detector3 = signal_trans.read() #trans.get()
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detector4 = float(pol_mode.getPositions().index(pol_mode.readback.read())) #polarization.get()
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detector5 = pol_angle.read() #polAngle.get()
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detector6 = temperature.readback.read() #temperature.get()
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detector7 = current.read()
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detector8 = signal_field_analog_x.read() # fieldAnalogX.get()
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detector9 = field_x.read()
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_tey_norm = detector1/detector2
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_trans_norm = detector3/detector2
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if dif_series is not None:
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if setpoint2 == ENERGIES[0]:
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first = _tey_norm
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else:
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dif = _tey_norm-first
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dif_series.appendData(field_readback,dif)
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scan.append ([lambda_readback, setpoint2], [lambda_readback, readback2], [detector1, detector2, detector3, detector4, detector5, detector6, detector7, detector8, detector9, _tey_norm, _trans_norm])
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after_sample() #To call check_id_error()
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if abs(lambda_readback - END_LAMBDA) < 0.02:
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print "Target wavelength has been reached, breaking execution."
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break
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index = index+1
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scan.end()
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log_scan_filename()
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close_valve() |