Differences between revisions 10 and 26 (spanning 16 versions)
Revision 10 as of 2018-09-06 11:54:50
Size: 2880
Comment:
Revision 26 as of 2018-10-18 11:09:23
Size: 2162
Comment:
Deletions are marked like this. Additions are marked like this.
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 * 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.
 * Check DAC input between MEDM and actual
 * Unstable D-sub connection at Tx module
  * Some connectors are dead.
 * Cable arrangement
 * Laser remote control
  * 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 ?
Urgent
 * RxPD1 repairing
  * Repaired but not tested.

2nd-urgent
Line 52: 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 54: Line 37:
  * Alignment of the last 2 mirrors (Accidentally moved)
Line 57: Line 39:
  * To be delivered on 9/19 or 20.
  * May have to prepare voltage calibrator to calibrate readout by DGS.
 * 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
 * AOM response measurement
  * Check working point is consistent to that in KEK
 * OL/CL TF measurement
  * 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
Line 74: Line 59:

 * Unstable D-sub connection at Tx module
  * Some connectors are dead.
 * Cable arrangement
Line 75: Line 64:
 * Preparation for X-arm commissioning calibration line injection  * Operation tool preparation
Line 77: Line 66:
Bonus work

 * AOM current
  * Sometimes over 0.5 V ?
 * Take care about grounding
Line 78: Line 72:
 * Operation tool preparation
Pre-categorization

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

Laser power calibration setting in Toyama Univ.

PcalTask (last edited 2018-11-22 09:41:33 by chihiro.kozakai)