def burn_n_sit(burn, freq1, power, hl):
''' Burns a hole and then increases the span to watch the hole and carrier hole move. '''
## burn = 0.02*s
## freq1 = 2.560*GHz
#Hole burning sequence
run_offset(SpecAn,
freq=freq1,
span=1 * MHz,
res=30 * kHz,
sweep=50 * ms,
full_span='N',
show_window='N')
filepath = create_file(SpecAn, compensated='Y', n=1, burn_time=burn)
windfreak(freq1, power, hl, filepath, write=1)
pb.hole_burn(burn)
x, y, filepath = record_trace(SpecAn,
filepath,
compensated='Y',
n=1,
burn_time=burn)
sleep(0.1 * s)
SpecAn.write('CF ' + str(freq1))
SpecAn.write('SP 5000000')
SIH.free_run_plot_window('N', full_span='N')
def spin_pump_seq():
## pb.Sequence([(['ch6'], 10*s),(['ch2','ch5'], 1*s)], loop=False)
## time.sleep(11)
filepath = hb.create_file(SpecAn, compensated='Y', n=1, burn_time=0)
pb.hole_burn(0.1)
hb.record_trace(SpecAn,
filepath,
filename='',
compensated='Y',
sweep_again='Y',
n=1,
burn_time='')
def SpinpumpSite2BurnSite1(f_name='Spinpump site2 burn site1', freq=195.162):
fg = rigolfg.RigolFG() #Open the Rigol FG
ITLA = ITLA_Wrap.ITLA_Class(port="COM6",
baudrate=9600) #Open the Photonics Laser
#Probe laser and check it's happy
ITLA.ProbeLaser()
#Disable laser to change parameters
ITLA.EnableLaser(False)
#Set Laser to usual parameters for Spin Pumping
ITLA.SetFrequency(194.9412) #THz
ITLA.SetPower(1600) #dBm * 100
fg.setOutputState(bOn=0)
ITLA.EnableLaser(True)
ITLA.EnableWhisperMode(True)
fg.setOutputState(bOn=1)
spin_pump_seq(spintime=10 * s, SpecAnSweep='Y', rec='Y') #Spin pump site 2
HP8560E_SpecAn_Trigger('EXT', 'SNGLS', SpecAn)
fg.setOutputState(bOn=0) #Turn off Rigol CH2 (sweeping photonics)
print("Turning Rigol FG off (stop photonics laser sweeping).")
#Turn off laser
#Change photonics laser freq to 195.162 THz
ITLA.EnableWhisperMode(False)
ITLA.EnableLaser(False)
## ITLA.SetFrequency(195.162) #THz site 1
## ITLA.SetFrequency(194.9437) #THz magnetic sub group
ITLA.SetFrequency(freq) #THz site 2 main peak
ITLA.SetPower(1600) #dBm * 100
ITLA.EnableLaser(True)
ITLA.EnableWhisperMode(True)
#Burn site 1 for 5 s
pb.Sequence([(['ch6'], 5 * s), (['ch5'], 5 * ms)], loop=False)
sleep(5)
filepath = hb.create_file(
SpecAn, n=1, burn_time=0,
filename=f_name) #Record spin pumping after site 1 burn
pb.hole_burn(1)
filepath = hb.record_trace(SpecAn,
filepath,
compensated='Y',
sweep_again='Y',
burn_time=1)
fg.setOutputState(
bOn=1) #Turns Channel 2 back on so we can spin pump again
print("Turning Rigol FG on.")
def holeburn(offset = 'N', args = [1.45*GHz, 2.9*GHz, 30*kHz, 1*s]):
''' No longer use this '''
if offset != ('Y' or 'N'):
raise error('argument must be "Y" or "N"')
elif offset == 'Y':
#Set SpecAn stuff
SpecAn.write("CF " + str(args[0]))
SpecAn.write("SP " + str(args[1]))
SpecAn.write("RB " + str(args[2]))
SpecAn.write("ST " + str(args[3]))
sleep(0.5)
SIH.save_offset(20)
pb.hole_burn(3*s)
SIH.free_run_plot_window('Y')
def spinpump_delay(f_name='delayed recording of spinpump',
delay=20,
secondLpath=False,
latchT=5):
spin_pump_seq(spintime=10 * s, SpecAnSweep='Y', rec='Y') #Spin pump site 2
if secondLpath:
pb.toggle_latch_onoff(latchT)
sleep(delay)
filepath = hb.create_file(
SpecAn, n=1, burn_time=0,
filename=f_name) #Record spin pumping after site 1 burn
pb.hole_burn(1)
filepath = hb.record_trace(SpecAn,
filepath,
compensated='Y',
sweep_again='Y',
burn_time=1)
def burn_sequence(burn,
burn_freq,
power,
hl='low',
record='True',
rec_freq='',
rec_span=10 * MHz,
f_name=''):
''' Sets the Windfreak to a speficied frequency and power to burn for an alloted time.
If record is true, then the spectrum analyser will record the resulting hole '''
filepath = ''
if rec_freq == '':
rec_freq = burn_freq
if record == 'True':
run_offset(SpecAn,
freq=rec_freq,
span=rec_span,
res=30 * kHz,
sweep=50 * ms,
full_span='N',
show_window='N')
filepath = create_file(SpecAn,
compensated='Y',
n=1,
burn_time=burn,
filename=f_name)
windfreak(burn_freq, power, hl, filepath, write=1)
else:
windfreak(burn_freq, power, hl, filepath, write=0)
pb.hole_burn(burn)
if record == 'True':
filepath = record_trace(SpecAn,
filepath,
compensated='Y',
burn_time=burn,
filename=f_name)
sleep(0.5 * s)
full_sweep(SpecAn)
def burn_sequence_AWG(burn,
burn_freq,
record='True',
rec_freq='',
rec_span=10 * MHz,
f_name='',
nu=2,
sa='Y'):
''' Copy of the burn sequence function from Holeburn james wf3,
but uses the 8GB AWG instead of the WF as the burner'''
filepath = ''
if rec_freq == '':
rec_freq = burn_freq
if record == 'True':
filepath = hb.create_file(SpecAn, n=1, burn_time=burn, filename=f_name)
hb.run_offset(SpecAn,
freq=rec_freq,
span=rec_span,
res=30 * kHz,
sweep=50 * ms,
full_span='N',
show_window='N',
n=nu)
pb.hole_burn(burn)
if record == 'True':
filepath = hb.record_trace(SpecAn,
filepath,
compensated='Y',
sweep_again=sa,
burn_time=burn)
sleep(0.5 * s)
hb.full_sweep(SpecAn)
