|
Size: 2510
Comment:
|
Size: 2647
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 19: | Line 19: |
| Urgent |
|
| Line 20: | Line 22: |
| * THS4631 seems broken * Asked Bin-Hua to bring parts. |
* Repaired. To be checked. |
| Line 23: | Line 24: |
| * 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. * Unstable D-sub connection at Tx module * Some connectors are dead. * Cable arrangement |
* Relay is OK. Investigating the cause. * Asked Bin-Hua to bring relay. * 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 |
| Line 32: | Line 33: |
| * PC will be setup. * Same script as in Y-end may be applicable. * BPM test * Picomoter setting * 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. * Rx module alignment * TCam has to come back. * PC has to be re-installed. * AOM current * Sometimes over 0.5 V ? |
* Setup done. LAN cable should be replaced to shorter one. |
| Line 53: | Line 38: |
| * Alignment of the last 2 mirrors (Accidentally moved) | |
| Line 56: | Line 40: |
| * To be delivered on 9/19 or 20. | * To be delivered on 9/19 or 20 to Toyama Univ. |
| Line 58: | Line 42: |
| * DAC noise problem * With DAC cable, very large noise and offset are observed. It may be difficult to set working point. * Take care about grounding |
~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 |
| Line 62: | Line 57: |
~X-arm commissioning line injection * BPM test * Picomoter setting * Preparation for X-arm commissioning calibration line injection ~O3 |
|
| Line 67: | Line 71: |
| * Peak stability test * Shot noise * Offset input noise |
|
| Line 68: | Line 75: |
* Unstable D-sub connection at Tx module * Some connectors are dead. * Cable arrangement |
|
| Line 69: | Line 80: |
| * 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 |
|
| Line 71: | Line 92: |
| =Laser power calibration setting in Toyama Univ.= | = 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.
- Asked Bin-Hua to bring relay.
- 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
- 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.
~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
~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