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Size: 2162
Comment:
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Size: 2333
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 20: | Line 20: |
| * RxPD1 repairing * Repaired but not tested. |
* Excitation port noise |
| Line 26: | Line 25: |
| * Tx PDs detect light even if the AOM input is almost 0. | |
| Line 29: | Line 29: |
| ~10/20 first test to inject PCal laser to the X-end test mass | ~11/3 first test to inject PCal laser to the X-end test mass |
| Line 32: | Line 32: |
| * After vacuuming and ETMX alignment by commissioning team. | * Rx PD done. * QPD alignment |
| Line 36: | Line 37: |
| * Done. * OFS board gain seems strange. * Strange bump in AA/AI (~6 kHz) |
|
| Line 37: | Line 41: |
| * Modification is required from LIGO's procedure. | |
| Line 39: | Line 42: |
| * X-end Tx calibration is done. * May have to prepare voltage calibrator to calibrate readout by DGS ? |
* X-end done, but it may affected by stray light. |
| Line 45: | Line 47: |
| * Waiting for ETMX alignemnt | |
| Line 47: | Line 48: |
| * Guardian | |
| Line 55: | Line 57: |
| * DGS part seems not noisy, but cause large noise when connected to the OFS. | |
| Line 78: | Line 81: |
| * Periscope re-installation |
|
| Line 80: | Line 85: |
| ~Y-arm commissioning * Prepare cross calibration setup and calibrate an integrating sphere |
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
- Module wall will be black coated.
~11/3 first test to inject PCal laser to the X-end test mass
- Rx module alignment
- Rx PD done.
- QPD alignment
- AOM response measurement
- Done. To be checked periodically.
- OL/CL TF measurement
- Done.
- OFS board gain seems strange.
- Strange bump in AA/AI (~6 kHz)
- WSK measurement
- Code for WSK measurement analysis
- X-end done, but it may affected by stray light.
~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.
- Cable arrangement
- OFS upgrade
- Operation tool preparation
Bonus work
- AOM current
- Sometimes over 0.5 V ?
- Take care about grounding
- Initial laser power just after turned on seems too small ?
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