Detailed task list of PCal is listed here.
X-end PCal
Urgent
- Excitation port noise
2nd-urgent
- Stray light
- Tx PDs detect light even if the AOM input is almost 0.
- Put dumpers
~11/3 first test to inject PCal laser to the X-end test mass
- Rx module alignment
- QPD alignment
- OL/CL TF measurement
- OFS board gain seems strange. Saturation around 13 dB.
- Strange bump in AA/AI (~6 kHz)
~X-arm commissioning line injection
- BPM test
- Preparation for X-arm commissioning calibration line injection
- Guardian
~O3
- RPN measurement
- Laser noise measurement
- Harmonics noise measurement
- VGA noise measurement
- Excitation noise measurement
- DGS part seems not noisy, but cause large noise when connected to the OFS.
- Peak stability test
- Shot noise
- Offset input noise
- Noise model
- Unstable D-sub connection at Tx module
- Some connectors are dead.
- OFS upgrade
- Operation tool preparation
Bonus work
- AOM current
- Sometimes over 0.5 V ?
- Take care about grounding
Pre-categorization
Y-end PCal
- Periscope re-installation
Laser power calibration setting in Toyama Univ.
~Y-arm commissioning
- Prepare cross calibration setup and calibrate an integrating sphere