switch to TimeBase driver

lib/__init__.py

@@ -53,6 +53,8 @@ from .system import (
     AD5791_INIT,
     AD5791_CTRL,
     AD5791_DAC,
+    MOT3_GREEN_AOM_FM,
+    MOT3_GREEN_AOM_AM,
 )
 from .dataio import (
     get_timestamp,

lib/system.py

@@ -27,6 +27,7 @@ DATADIRS = DataPaths(
     green_fluo_green_mot    = DATA_HOME.joinpath("green fluorescene and mot"),
     narrow_cooling_opt      = DATA_HOME.joinpath("cmot optimization"),
     narrow_cooling_tweezer  = DATA_HOME.joinpath("tweezer optimization"),
+    tweezer_atoms           = DATA_HOME.joinpath("tweezer atoms"),
     cmot_tof                = DATA_HOME.joinpath("cmot tof"),
     freespace_green         = DATA_HOME.joinpath("freespace green resonance"),
 )
@@ -74,9 +75,9 @@ CONNECTIONS = ConnectionLayout(
     mot3_blue_sh        = Digital(1,  7, 1),
     mot2_blue_aom       = Digital(0,  1, 1),
     mot3_blue_aom       = Digital(0,  7, 1),
-    mot3_green_aom      = Digital(0,  9, 0),
-    mot3_green_aom_am   =  Analog(7,  0.98),
-    mot3_green_aom_fm   =  Analog(8, -1.04),
+    mot3_green_aom      = Digital(0,  9, 1),
+    mot3_green_aom_am   =  Analog(7, +0.40),
+    mot3_green_aom_fm   =  Analog(8, -5.00),
     mot3_green_aom_trig = Digital(1, 13, 0),
     mot3_green_sh       = Digital(1, 11, 0),
     push_aom            = Digital(0,  3, 1),
@@ -94,6 +95,7 @@ CONNECTIONS = ConnectionLayout(
     andor_sh            = Digital(3,  6, 0),
     scope_trig          = Digital(3,  2, 0),
     dummy               = Digital(3, 31, 0),
+    test_sh             = Digital(0, 24, 1),
 )
 
 MAIN = Computer(
@@ -118,5 +120,25 @@ AD5791_CTRL = 0b0010
 AD5791_INIT = 0b00000000000000010010
 AD5791_DAC = 0b0001
 
-MOT3_GREEN_AOM_AM = lambda p: (p - 14.5) / 14.51 # 29.0 nominal; -68 offset on controller
+# 92.0 nominal; depth = 3.2768 MHz (n = 10)
+def MOT3_GREEN_AOM_FM(f: float) -> float:
+    if f < 88.8 or f > 95.4:
+        raise Exception("MOT3_GREEN_AOM_FM: frequency out of range")
+    a = [
+        -20410.0125,
+        +656.931397,
+        -7.07415392,
+        +0.02548931,
+    ]
+    return sum(a[k] * f**k for k in range(4))
+
+# 29.0 nominal; -60 offset on driver
+def MOT3_GREEN_AOM_AM(p: float) -> float:
+    if p < -25.0 or p > 29.5:
+        raise Exception("MOT3_GREEN_AOM_AM: power out of range")
+    A  = +421.384083
+    P0 = +45.7474511
+    B  = -1.10711219
+    return A / (p - P0)**2 + B
+
 RAMAN_GREEN_AOM_AM = lambda p: (p - 15.0) / 15.01 # 29.0 nominal; -73 offset on controller