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Size: 1957
Comment:
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Size: 2612
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 17: | Line 17: |
| X-end PCal | = X-end PCal = |
| Line 19: | Line 19: |
| * TxPD1 repairing (THS4631 seems broken) * Asked Bin-Hua to bring parts. * OFS2 closed loop functionality repairing (relay is suspected) * Asked Bin-Hua to bring parts. * Interlock equippement * Switch is equipped to modules. * Connector between chassis and laser system is repaired. |
Urgent * TxPD1 repairing * Repaired. To be checked. * OFS2 closed loop functionality repairing * Relay is OK. Investigating the cause. * DAC noise problem * With DAC cable, very large noise and offset are observed. It may be difficult to set working point. 2nd-urgent * DAC input bias between MEDM and actual * Laser remote control * Setup done. LAN cable should be replaced to shorter one. * Stray light * Put dumpers * Borrowing 2 from Toyama univ. They has to be returned on 9/19 or 20. ~9/11 * Periscope install * Equip picomoters to the mirror ~10/3 * Complete periscope install * Rx module alignment ~10/20 first test to inject PCal laser to the X-end test mass * AOM response measurement * Check working point is consistent to that in KEK * OL/CL TF measurement * WSK measurement * Modification is required from LIGO's procedure. * Code for WSK measurement analysis * To be delivered on 9/19 or 20 to Toyama Univ. * May have to prepare voltage calibrator to calibrate readout by DGS. ~X-arm commissioning line injection * BPM test * Picomoter setting * 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 |
| Line 29: | Line 78: |
| * Laser remote control * PC will be setup. * Same script as in Y-end may be applicable. * BPM test * Picomoter setting * Periscope install * 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. * Rx module alignment * TCam has to come back. * PC has to be re-installed. |
* OFS upgrade * Operation tool preparation Bonus work |
| Line 46: | Line 85: |
| * Stray light * Put dumpers * Borrowing 2 from Toyama univ. They has to be returned on 9/19 or 20. * WSK measurement * Modification is required from LIGO's procedure. * To be delivered on 9/19 or 20. * OL/CL TF measurement * RPN measurement * Laser noise measurement * Harmonics noise measurement |
* Take care about grounding * Initial laser power just after turned on seems too small ? Pre-categorization = Y-end PCal = = Laser power calibration setting in Toyama Univ. = |
Detailed task list of PCal is listed here.
X-end PCal
Urgent
- TxPD1 repairing
- Repaired. To be checked.
- OFS2 closed loop functionality repairing
- Relay is OK. Investigating the cause.
- DAC noise problem
- With DAC cable, very large noise and offset are observed. It may be difficult to set working point.
2nd-urgent
- DAC input bias between MEDM and actual
- Laser remote control
- Setup done. LAN cable should be replaced to shorter one.
- Stray light
- Put dumpers
- Borrowing 2 from Toyama univ. They has to be returned on 9/19 or 20.
- Put dumpers
~9/11
- Periscope install
- Equip picomoters to the mirror
~10/3
- Complete periscope install
- Rx module alignment
~10/20 first test to inject PCal laser to the X-end test mass
- AOM response measurement
- Check working point is consistent to that in KEK
- OL/CL TF measurement
- WSK measurement
- Modification is required from LIGO's procedure.
- Code for WSK measurement analysis
- To be delivered on 9/19 or 20 to Toyama Univ.
- May have to prepare voltage calibrator to calibrate readout by DGS.
~X-arm commissioning line injection
- BPM test
- Picomoter setting
- 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