diff --git a/xtreme_bec/device_configs/optics.yaml b/xtreme_bec/device_configs/optics.yaml
index 132c007..20ef80f 100644
--- a/xtreme_bec/device_configs/optics.yaml
+++ b/xtreme_bec/device_configs/optics.yaml
@@ -1,4 +1,4 @@
-CMU_y:
+cmu_y:
   description: CMU y pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -11,7 +11,7 @@ CMU_y:
   deviceTags:
     - optics
 
-CMU_z:
+cmu_z:
   description: CMU z pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -24,7 +24,7 @@ CMU_z:
   deviceTags:
     - optics
 
-CMU_Rx:
+cmu_rx:
   description: CMU Rx pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -37,7 +37,7 @@ CMU_Rx:
   deviceTags:
     - optics
 
-CMU_Ry:
+cmu_ry:
   description: CMU Ry pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -50,7 +50,7 @@ CMU_Ry:
   deviceTags:
     - optics
 
-CMU_Rz:
+cmu_rz:
   description: CMU Rz pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -63,7 +63,7 @@ CMU_Rz:
   deviceTags:
     - optics
 
-PGM_ID_coupling:
+pgm_id_coupling:
   description: "PGM ID coupling"
   deviceClass: ophyd_devices.EpicsSignal
   deviceConfig:
@@ -112,7 +112,7 @@ grating_beta:
   deviceTags:
     - optics
 
-FMU_y:
+fmu_y:
   description: FMU y pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -125,7 +125,7 @@ FMU_y:
   deviceTags:
     - optics
 
-FMU_z:
+fmu_z:
   description: FMU z pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -138,7 +138,7 @@ FMU_z:
   deviceTags:
     - optics
 
-FMU_Rx:
+fmu_rx:
   description: FMU Rx pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -151,7 +151,7 @@ FMU_Rx:
   deviceTags:
     - optics
 
-FMU_Ry:
+fmu_ry:
   description: FMU Ry pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig:
@@ -164,7 +164,7 @@ FMU_Ry:
   deviceTags:
     - optics
 
-FMU_Rz:
+fmu_rz:
   description: FMU Rz pseudo motor
   deviceClass: xtreme_bec.devices.mirror_pseudo.MirrorPseudo
   deviceConfig: