vary parameters based on most recent free-space measurements

daily_camera.py

@@ -18,7 +18,7 @@ falc_config = dict(
 
 # FLIR OPTIONS
 flir_config = dict(
-    exposure_time = 500, # us
+    exposure_time = 300, # us
     gain = 47.99, # dB
 )
 
@@ -33,7 +33,7 @@ flir_config = dict(
 # add a comment for any literal numbers used
 
 ## GLOBAL PARAMETERS
-reps = 1 # repeat shots for statistics
+reps = 5 # repeat shots for statistics
 take_background = True # include a background shot in frame capture
 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
@@ -41,24 +41,26 @@ probe_image = True # use the probe beams for recapture imaging, else CMOT beams
 # CMOT AOM settings
 f_freqpow = 90.0 # start of frequency ramp; MHz
 p_freqpow_end = 0.0 # end of power ramp; dBm
-p_image = 20.0 # power for imaging; dBm
+p_image = 23.0 # power for imaging; dBm
 
 # SCANNING PARAMETERS
-NU_FREQPOW = 3.75 + np.arange(-250e-3, +251e-3, 25e-3) # ^
+NU_FREQPOW = np.linspace(3.3, 3.775, 20) # ^
 DET_IMAGE = 0.57 + np.arange(-2.0, +2.0, 150e-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])
 
 # PARAMETERS
-freespace_res = 93.95 # AOM RF equivalent to free-space resonance; MHz
-nu_freqpow0 = 3.8 # extent of CMOT frequency ramp; MHz
-det_image0 = 0.57 # detuning for imaging rel. to AOM-fiber optimal 93.5; MHz
+freespace_res = 93.68 # AOM RF equivalent to free-space resonance; MHz
+nu_freqpow0 = 3.58 # extent of CMOT frequency ramp; MHz
+det_image0 = 0.45 # detuning for imaging rel. to AOM-fiber optimal 93.5; MHz
 tau_tof0 = 1.5e-3 # time of flight; s
 aom_fiber_optim = 93.5 # RF frequency used for AOM+fiber optimization
-f_image0 = f_freqpow + nu_freqpow0 # (nominal) CMOT final AOM frequency; MHz
+f_image0 = f_freqpow + nu_freqpow0 # (nominal) CMOT beam imaging frequency; MHz
+# f_image0 = aom_fiber_optim + det_image0 # (nominal) probe beam imaging frequency; MHz
 dailies_config = dict(
     cavity_rf = 73.10,
     probe_image = probe_image,
+    f_image = f_image0,
     CMOT_freq = f_image0,
     CMOT_pow = p_freqpow_end,
     nu_freqpow = nu_freqpow0,
@@ -142,7 +144,7 @@ class DailyMeasurement(Controller):
                 + int(take_background)
             ),
             timeout=10, # s
-            roi=[834, 646, 40, 40] # [826, 590, 340, 340]
+            roi=[835, 647, 40, 40] # [826, 590, 340, 340]
 
         )
         self.cam.disconnect()
@@ -224,10 +226,10 @@ class DailyMeasurement(Controller):
                 size_fit=True,
                 subtract_bkgd=take_background,
                 debug=True,
-                mot_number_params={ # for pre-release image
-                    # from measurement on 02.21.22
-                    "intensity_parameter": 2.0 * 3.55 * 10**(p_freqpow_end / 10.0),
-                    # from measurement on 02.15.22
+                mot_number_params={ # for post-release image
+                    # from measurement on 03.21.22
+                    "intensity_parameter": 2.0 * 17.25 * 10**(p_freqpow_end / 10.0), # CMOT beams
+                    # "intensity_parameter": 2.0 * 129.14 * 10**((p_image - 23.0) / 10.0), # probe beams
                     "detuning": abs(f_image0 - freespace_res) * 1e6 * 2.0 * np.pi,
                 },
                 N_det_peaks=4,

narrow_cooling_tweezer_align_camera.py

@@ -39,15 +39,19 @@ camera_config = {
 reps = 10 # repeat shots for statistics
 take_background = True # include a background image
 flir_two_shots = True # use the Flir to take two shots
-cmot_aom_freq = 93.6 # MHz
+cmot_aom_freq = 93.58 # MHz
 p_probe = 0.0 # power in probe beam AOMs; dBm
 
 ## SCANNING PARAMETERS
-SHIMS_FB = np.linspace(1.210, 1.210, 1) # Front/Back shim scans: 1.22; +1.2 for 174
-SHIMS_LR = np.linspace(-0.18, -0.18, 1) # Left/Right shim scans: 0.20; -0.2 for 174
-SHIMS_UD = np.linspace(0.560, 0.560, 1) # Up/Down shim scans:    0.57; +0.4 for 174
+SHIMS_FB = np.linspace(1.275, 1.275, 1) # Front/Back shim scans: 1.22; +1.2 for 174
+SHIMS_LR = np.linspace(-0.22, -0.22, 1) # Left/Right shim scans: 0.20; -0.2 for 174
+# SHIMS_LR = np.append(
+#     np.linspace(-0.30, -0.12, 5),
+#     np.linspace(+0.12, +0.30, 5),
+# )
+SHIMS_UD = np.linspace(0.565, 0.565, 1) # Up/Down shim scans:    0.57; +0.4 for 174
 DET_MOT = np.linspace(0e-3, 0e-3, 1) # green MOT detuning for tweezer loading (rel. to CMOT); MHz
-DET_PROBE = 4.07 + np.linspace(-0.1, -0.1, 1) # probe beam or detuning for imaging (rel. to AOM 90.0); MHz
+DET_PROBE = 3.58 + np.linspace(0.0, 0.0, 1) # probe beam or detuning for imaging (rel. to AOM 90.0); MHz
 
 # SCRIPT CONTROLLER
 class NarrowCoolingTweezerAlignmentCamera(Controller):
@@ -76,7 +80,7 @@ class NarrowCoolingTweezerAlignmentCamera(Controller):
                 + int(take_background)
             ),
             timeout=10, # s
-            roi=[834, 646, 40, 40] #[968, 737, 40, 40]
+            roi=[835, 647, 40, 40] #[968, 737, 40, 40]
         )
         # might be important to disconnect in the action rather than postcmd
         #   due to possible bad sharing of resources between threads
@@ -128,12 +132,12 @@ class NarrowCoolingTweezerAlignmentCamera(Controller):
             size_fit=False,
             subtract_bkgd=True,
             debug=False,
-            mot_number_params={
-                # from measurement on 02.21.22
-                "intensity_parameter": 2 * 3.55 * 10**(p_probe / 10),
-                # from measurement on 02.15.22
-                "detuning": abs(cmot_aom_freq - 94.07) * 1e6 * 2 * np.pi,
-            }
+            mot_number_params={ # for post-release image
+                # from measurement on 03.21.22
+                "intensity_parameter": 2.0 * 17.25 * 10**(p_freqpow_end / 10.0), # CMOT beams
+                # "intensity_parameter": 2.0 * 129.14 * 10**((p_image - 23.0) / 10.0), # probe beams
+                "detuning": abs(f_image0 - freespace_res) * 1e6 * 2.0 * np.pi,
+            },
         )
         data.save(arrays=True)
         # data.render_arrays()