Merge pull request #816 from AllenNeuralDynamics/815-immersion-medium-string-field

Acquisition Immersion description

Author: saskiad

examples/exaspim_acquisition.py

@@ -48,7 +48,10 @@
     session_end_time=t,
     local_storage_directory="D:",
     external_storage_directory="Z:",
-    chamber_immersion=acquisition.Immersion(medium="PBS", refractive_index=1.33),
+    chamber_immersion=acquisition.Immersion(
+        medium="PBS",
+        refractive_index=1.33,
+    ),
     axes=[
         ImageAxis(
             name="X",

src/aind_data_schema/models/devices.py

@@ -142,6 +142,9 @@ class ImmersionMedium(str, Enum):
     PBS = "PBS"
     WATER = "water"
     OTHER = "other"
+    EASYINDEX = "easy index"
+    ECI = "ethyl cinnimate"
+    ACB = "aqueous clearing buffer"
 
 
 class ObjectiveType(str, Enum):