def hardburn():
freq = 1.04 * GHz
span = 20 * MHz
title_str = '20MHz, 2500ms, 1.8GHz'
HP8560E_SpecAn_Trigger('FREE', 'CONTS', SpecAn)
spin_pump_seq()
mc.setWvfm(2)
burn_sequence_AWG_cust(burn=50 * ms,
burn_freq=freq,
record='True',
rec_span=span,
f_name=' ' + title_str,
sa='N') # ' + str(i))
filepath = hb.create_file(SpecAn,
compensated='Y',
n=1,
burn_time=0,
filename=' Spin pumped after ' + title_str)
sleep(100 * ms)
pb.Sequence(
[
(['ch5'], 0.5 * s),
(['ch2', 'ch4', 'ch5'
], 50 * ms), #RF Switch, Trigger SpecAn, EOM Bias on
(['ch2', 'ch5'], 100 * ms),
],
loop=False)
hb.record_trace(SpecAn,
filepath,
filename=' Spin pumped after ' + title_str,
compensated='Y',
sweep_again='N',
n=1,
burn_time='')
def spin_jump_dmneg1(freq, state='5,2', rec='True', span=20 * MHz):
''' Sets the 8GB AWG to a given frequency and burns a 100kHz hole, gives the option to
record the anti-hole created.
Then burns on top of the anti-hole with a larger chirp 500 kHz - 2 MHz
'''
#Splittings are [107.64, 110.42,105.17,92.34,73.02,47.94]
#delta m = -1 energy gaps 7/2 -> -7/2: [0, -107.64, -218.06, -323.23, -415.57, -488.59, -536.53]+some offset
state_dict = {
'5,2': 0,
'3,2': 1,
'1,2': 2,
'-1,2': 3,
'-3,2': 4,
'-5,2': 5,
'-7,2': 6
}
if state not in state_dict: #Check if variable state is valid
print('Error, variable state must be in [5/2, 3/2... -7/2]')
print "Initial burn on the Delta m = -1"
target_state = state_dict[state]
e_gap = np.array([
-107.64, -218.06, -323.23, -415.57, -488.59, -536.53, 460.32
]) * MHz #Gaps in hyperfine energy levels
#From 7/2 - 5/2 -> -3/2 - -5/2
str_name = [
' spin jumped 5,2 antihole', ' spin jumped 3,2 antihole',
' spin jumped 1,2 antihole', ' spin jumped -1,2 antihole',
' spin jumped -3,2 antihole', ' spin jumped -5,2 antihole',
' spin jumped -7,2 antihole'
]
#Perform the first burn (which should have a narrower chiep and quicker burn time
if target_state >= 0:
mc.setWvfm(0, teeth - 1)
burn_sequence_AWG(
burn=200 * ms,
burn_freq=freq,
record=rec,
rec_freq=freq - 107.64 * MHz,
rec_span=span,
f_name=' spin jumped 5,2 antihole via dm1') # ' + str(i))
#Perform the rest of the spin jump down to the desired level.
#Cant look at the anti-hole in each level though
j = target_state
print target_state
if target_state > 0:
## mc.setWvfm(teeth,teeth*(j+1)-1)#No Comb clean up.
mc.setWvfm(teeth, teeth * (j + 2)) #For Comb clean up.
burn_sequence_AWG(burn=500 * ms * (j),
burn_freq=freq + e_gap[j - 1],
record=rec,
rec_freq=freq + e_gap[j],
rec_span=span,
f_name=str_name[j] + ' via dm1')
def comb_background_abs(burn_f=1.1 * GHz, shots=1000, delay=0):
''' Idea: Spin pump crystal
Burn a narrow hole where the AFC will be (100 kHz)
Send broad pulse through quickly after (>1ms after, MHz broad)
What comes out should give a measurement of the background where the AFC will be
before spin jumping.
Turn WF on
Set up PS for RAPID BLOCK mode'''
mc.setWvfm(0)
sleep(0.1)
pb.Sequence([(['ch1', 'ch5'], 50 * ms), (['ch5'], 1 * ms)], loop=False)
sleep(0.1)
AWG_trig_out()
## wf = wf_24_cw(burn_f + 19e6 + 460.99e6, -10)
mc.setWvfm(1)
sleep(0.1)
arr = [(['ch5', 'ch6'], 10 * s), (['ch5'], 20 * ms)
] #10s to spin pol. crystal, 20ms to let the mems switch switch.
pb.Sequence(arr, loop=False)
time.sleep(10.1)
pb.ProbBurnLoop(shots=1000)
time.sleep(shots * 7e-4) #replace this is Wvfm time length
mc.setWvfm(2)
pb.ProbBurnLoop(shots=1000)
time.sleep(shots * 5e-4) #replace this is Wvfm time length
def spin_jump(freq,
state='3,2',
rec='True',
span=20 * MHz,
teeth=1,
f_ext='',
bjt=500,
rec_offs=True):
''' Sets the 8GB AWG to a given frequency and burns a 100kHz hole, gives the option to
record the anti-hole created.
Then burns on top of the anti-hole with a larger chirp 500 kHz - 2 MHz
rec_offs if you want a new background measurement
'''
#Splittings are [107.64, 110.42,105.17,92.34,73.02,47.94]
#delta m = -1 energy gaps 7/2 -> -7/2: [0, -107.64, -218.06, -323.23, -415.57, -488.59, -536.53]+some offset
state_dict = {
'3,2': 0,
'1,2': 1,
'-1,2': 2,
'-3,2': 3,
'-5,2': 4,
'-7,2': 5
}
if state not in state_dict: #Check if variable state is valid
print('Error, variable state must be in [3,2 ... -7,2]')
print("Initial burn on the Delta m = -2")
target_state = state_dict[state]
#I am keeping the -107.64 to allow the ability to image the 5/2> easily
#DELTA M=-2 |7/2> location is -903.02MHz
e_gap = np.array([
-107.60, -218.09, -323.2, -415.50, -488.20, -535.89, 460.99
]) * MHz #Gaps in hyperfine energy levels
## e_gap = np.array([0, -107.60, -218.09, -323.2, -415.50, -488.20, -535.89, 460.99])*MHz #GUse this if you want to look at one hyperfine higher
## e_gap = np.array([1685.0, 1603.5, 1530.0, 1472.2, 1436.3, 1428.8, 1453.5])*MHz #Use this to look at dm = 1
## e_gap = np.array([1557, 1557, 1557, 1557, 1557, 1557, 1557])*MHz #Set span to 270MHz and use this to image the entire DM = 1
#From 7/2 - 5/2 -> -5/2 - -7/2 (have the image the -7/2> on the Delta m = 0
str_name = [
' 3,2 antihole', ' 1,2 antihole', ' -1,2 antihole', ' -3,2 antihole',
' -5,2 antihole', ' -7,2 antihole'
]
#Perform the first burn (which should have a narrower chirp and quicker burn time
n = teeth
if target_state >= 0:
mc.setWvfm(0, teeth - 1)
burn_sequence_AWG_cust(burn=100 * ms,
burn_freq=freq,
record='False',
rec_span=span,
f_name=' ' + f_ext + ' 7,2 hole',
sa='N') # ' + str(i))
#Perform the rest of the spin jump down to the desired level.
#Cant look at the anti-hole in each level though
j = target_state
if target_state >= 0:
#This part here is ugly and weird. Maybe ill fix it properly one day.
if target_state == 0:
mc.setWvfm(0,
teeth - 1) #Jumps the comb from the |3/2> to the |-7/2>
else:
mc.setWvfm(0,
teeth * (j + 1) -
1) #Jumps the comb from the |3/2> to the |-7/2>
## mc.setWvfm(0,teeth*(j+2)) #For Comb clean up.
burn_sequence_AWG_cust(burn=bjt * ms * (j + 1),
burn_freq=freq,
record=rec,
rec_freq=freq + e_gap[j + 1],
rec_span=span,
f_name=' ' + f_ext + str_name[j],
sa='N',
rec_offs=rec_offs)