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Size: 3066
Comment:
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Size: 2162
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 20: | Line 20: |
* TxPD1 repairing * THS4631 seems broken * Asked Bin-Hua to bring parts. * OFS2 closed loop functionality repairing * Relay is suspected. Will confirm using tester. * Asked Bin-Hua to bring parts. * Interlock equipment * Switch is equipped to modules. * Connector between chassis and laser system is repaired. * DAC noise problem * With DAC cable, very large noise and offset are observed. It may be difficult to set working point. |
* RxPD1 repairing * Repaired but not tested. |
| Line 35: | Line 25: |
| * Check DAC input between MEDM and actual * Laser remote control * PC will be setup. * Same script as in Y-end may be applicable. |
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| Line 41: | Line 27: |
| * Borrowing 2 from Toyama univ. They has to be returned on 9/19 or 20. | * Module wall will be black coated. ~10/20 first test to inject PCal laser to the X-end test mass * Rx module alignment * After vacuuming and ETMX alignment by commissioning team. * AOM response measurement * Done. To be checked periodically. * OL/CL TF measurement |
| Line 43: | Line 37: |
| * Alignment of the last 2 mirrors (Accidentally moved) | |
| Line 46: | Line 39: |
| * To be delivered on 9/19 or 20. * May have to prepare voltage calibrator to calibrate readout by DGS. |
* X-end Tx calibration is done. * May have to prepare voltage calibrator to calibrate readout by DGS ? |
| Line 49: | Line 42: |
| ~9/11 | ~X-arm commissioning line injection |
| Line 51: | Line 44: |
| * Periscope install * Equip picomoters to the mirror * Wall between duct and modules * Ordered. Will arrive Kamioka on 9/10. * Set duct and wall. * Green laser preparation * Power supplies are OK. * Waiting for new post. * TCam has to come back. * PC has to be re-installed. |
* BPM test * Waiting for ETMX alignemnt * Preparation for X-arm commissioning calibration line injection |
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| ~JPS meeting 9/14 | ~O3 |
| Line 64: | Line 50: |
| * AOM response measurement * Check working point is consistent to that in KEK * OL/CL TF measurement |
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| Line 76: | Line 59: |
| ~9/28 * Complete periscope install * Rx module alignment ~X-arm commissioning line injection * BPM test * Picomoter setting * Preparation for X-arm commissioning calibration line injection ~O3 |
Detailed task list of PCal is listed here.
X-end PCal
Urgent
- RxPD1 repairing
- Repaired but not tested.
2nd-urgent
- Stray light
- Put dumpers
- Module wall will be black coated.
~10/20 first test to inject PCal laser to the X-end test mass
- Rx module alignment
- After vacuuming and ETMX alignment by commissioning team.
- AOM response measurement
- Done. To be checked periodically.
- OL/CL TF measurement
- WSK measurement
- Modification is required from LIGO's procedure.
- Code for WSK measurement analysis
- X-end Tx calibration is done.
- May have to prepare voltage calibrator to calibrate readout by DGS ?
~X-arm commissioning line injection
- BPM test
- Waiting for ETMX alignemnt
- Preparation for X-arm commissioning calibration line injection
~O3
- RPN measurement
- Laser noise measurement
- Harmonics noise measurement
- VGA noise measurement
- Excitation noise measurement
- 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