Differences between revisions 8 and 11 (spanning 3 versions)
Revision 8 as of 2018-09-06 11:34:56
Size: 2528
Comment:
Revision 11 as of 2018-09-06 12:09:29
Size: 3065
Comment:
Deletions are marked like this. Additions are marked like this.
Line 19: Line 19:
 * TxPD1 repairing Urgent

* TxPD1 repairing
Line 28: Line 30:
 * Unstable D-sub connection at Tx module
  * Some connectors are dead.
 * Cable arrangement
 * DAC noise problem
  * With DAC cable, very large noise and offset are observed. It may be difficult to set working point.

2nd-urgent

 * Check DAC input between MEDM and actual
Line 34: Line 39:
 * 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 ?
Line 58: Line 48:
 * 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
  * 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.

~JPS meeting 9/14

 * AOM response measurement
  * Check working point is consistent to that in KEK
Line 67: Line 72:
 * Peak stability test
 * Shot noise
 * Offset input noise
Line 68: Line 76:
~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

 * Unstable D-sub connection at Tx module
  * Some connectors are dead.
 * Cable arrangement
Line 69: Line 92:
 * 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

Detailed task list of PCal is listed here.

X-end PCal

Urgent

* 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.

2nd-urgent

  • Check DAC input between MEDM and actual
  • Laser remote control
    • PC will be setup.
    • Same script as in Y-end may be applicable.
  • Stray light
    • Put dumpers
      • Borrowing 2 from Toyama univ. They has to be returned on 9/19 or 20.
  • WSK measurement
    • Alignment of the last 2 mirrors (Accidentally moved)
    • Modification is required from LIGO's procedure.
    • Code for WSK measurement analysis
    • To be delivered on 9/19 or 20.
    • May have to prepare voltage calibrator to calibrate readout by DGS.

~9/11

  • 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.

~JPS meeting 9/14

  • AOM response measurement
    • Check working point is consistent to that in KEK
  • OL/CL TF measurement
  • RPN measurement
  • Laser noise measurement
  • Harmonics noise measurement
  • VGA noise measurement
  • Excitation noise measurement
  • Peak stability test
  • Shot noise
  • Offset input noise
  • Noise model

~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

  • 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)