Commit f715071a authored by Yb Tweezer's avatar Yb Tweezer
Browse files

regular parameter adjustment

parent 8cf0ea14
...@@ -30,8 +30,8 @@ flir_config = dict( ...@@ -30,8 +30,8 @@ flir_config = dict(
# add a comment for any literal numbers used # add a comment for any literal numbers used
## GLOBAL PARAMETERS ## GLOBAL PARAMETERS
reps = 5 # repeat shots for statistics reps = 1 # repeat shots for statistics
take_background = True # include a background shot in frame capture take_background = False # include a background shot in frame capture
flir_prerelease = True # use the Flir to take a pre-release image flir_prerelease = True # use the Flir to take a pre-release image
probe_image = True # use the probe beams for recapture imaging, else CMOT beams probe_image = True # use the probe beams for recapture imaging, else CMOT beams
...@@ -62,16 +62,16 @@ tau_freqpow_dur = 30e-3 # frequency/power ramp duration; s ...@@ -62,16 +62,16 @@ tau_freqpow_dur = 30e-3 # frequency/power ramp duration; s
# camera timings # camera timings
tau_flir_pre = -20e-3 # Flir pre-release image time rel. to end of narrow_cooling; s tau_flir_pre = -20e-3 # Flir pre-release image time rel. to end of narrow_cooling; s
tau_flir = +0.05e-3 # Flir post-tof image time rel. to end of tof; s tau_flir = +0.05e-3 # Flir post-tof image time rel. to end of tof; s
# tau_flir = -20e-3 # Flir post-tof image time rel. to end of tof; s # tau_flir = -20e-3 # Flir post-tof image time rel. to end of tof; s # used for debugging CMOT
tau_andor = +0e-3 # EMCCD post-tof image time rel. to end of tof; s tau_andor = +0e-3 # EMCCD post-tof image time rel. to end of tof; s
# coil settings # coil settings
B_blue = int(441815) # blue MOT gradient setting B_blue = int(441815) # blue MOT gradient setting
B_green = int(55227) # green MOT gradient setting; 174: 48600 B_green = int(55227) # green MOT gradient setting; 174: 48600
B_comp = 1.8 # compression ramp endpoint multiplier (= B_comp * B_green) B_comp = 1.8 # compression ramp endpoint multiplier (= B_comp * B_green)
shim_fb = +1.210 # front/back shim; 174: 1.2 shim_fb = +1.255 # front/back shim; 174: 1.2
shim_lr = -0.180 # left/right shim; 174: -0.2 shim_lr = +0.165 # left/right shim; 174: -0.2
shim_ud = +0.560 # up/down shim; 174: 0.4 shim_ud = +0.565 # up/down shim; 174: 0.4
# CMOT AOM settings # CMOT AOM settings
f_freqpow = 90.0 # start of frequency ramp; MHz f_freqpow = 90.0 # start of frequency ramp; MHz
...@@ -83,9 +83,9 @@ p_image_cmot = 20.0 # power for imaging with CMOT beams; dBm ...@@ -83,9 +83,9 @@ p_image_cmot = 20.0 # power for imaging with CMOT beams; dBm
# PARAMETERS # PARAMETERS
nu_freqpow0 = 3.58 # extent of CMOT frequency ramp; MHz nu_freqpow0 = 3.58 # extent of CMOT frequency ramp; MHz
NU_FREQPOW = np.linspace(3.3, 3.775, 20) # ^ NU_FREQPOW = np.linspace(3.3, 3.775, 20) # ^
det_image0 = 0.45 # detuning for imaging rel. to AOM-fiber optimal 93.5; MHz det_image0 = 0.18 # detuning for imaging rel. to AOM-fiber optimal 93.5; MHz
DET_IMAGE = np.arange(-2.2, +3.8, 150e-3) # ^ DET_IMAGE = np.arange(-2.2, +3.8, 150e-3) # ^
tau_tof0 = 0.1e-3 # time of flight for free-space imaging; s tau_tof0 = 0.0e-3 # time of flight for free-space imaging; s
TAU_TOF = np.array([0.1e-3, 0.5e-3, 1.0e-3, 2.0e-3, 3.0e-3, 4.0e-3]) # ^ TAU_TOF = np.array([0.1e-3, 0.5e-3, 1.0e-3, 2.0e-3, 3.0e-3, 4.0e-3]) # ^
# TAU_TOF = np.array([0.1e-3]) # TAU_TOF = np.array([0.1e-3])
...@@ -310,8 +310,8 @@ def make_sequences(meas_type: DailyMeasType, name: str, ...@@ -310,8 +310,8 @@ def make_sequences(meas_type: DailyMeasType, name: str,
"Imaging": (Sequence() "Imaging": (Sequence()
+ Sequence.digital_pulse( + Sequence.digital_pulse(
*C.probe_green_aom, *C.probe_green_aom,
t0 + tau_flir, t0 + tau_flir - tau_image / 2.0,
flir_config["exposure_time"] * 1e-6, # account for exposure delay tau_all, # account for exposure delay
invert=True invert=True
) )
+ Sequence.digital_pulse( + Sequence.digital_pulse(
......
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