typo

lib/imaging.py

@@ -159,7 +159,7 @@ class FluorescenceData(ImagingData):
         N = compute_mot_number(
             self.arrays["image"],
             0.76,
-            self.config["gain"],
+            self.config["gain"], # dB
             self.config["exposure_time"],
             (0.0127**2 * np.pi) / (4 * np.pi * 0.1**2),
             62e6 * 2 * np.pi,
@@ -175,7 +175,11 @@ def compute_mot_number(image, QE, gain, exposure_time, solid_angle,
     if image.max() >= 2**16:
         print("WARNING: image may contain clipping")
     electron_rate = image.sum() * 16
-    photon_rate = electron_rate / gain / QE / solid_angle / exposure_time
+    photon_rate = electron_rate \
+            / 10**(gain / 10) \
+            / QE \
+            / solid_angle \
+            / exposure_time
     Y = 29.1e6 * 2 * np.pi # transition linewidth; s^-1
     l = 399e-9 # transition wavelength; m
     I_sat = (Y * H * C * np.pi) / (3 * l**3)