Low power MC locking
- Rotated HWP right after the laser
- Put a knife edge beam dump at the output of the PBS after the HWP.
- Replaced the PO mirror for the MC refl by an HR mirror.
Input offset from 0 to 0.29
Servo Gain from 10 to 30
=> Transmission 0.84 (1.2W at the MC input) to 0.069 (100mW)
VCO Gain from 25 to 31
MC REFL: Unlocked 3.6 Locked 0.38-0.40