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 * Tuned the IP and F0 in EY.
 * Adjusting the F0 FR in EX.
 * Released the payload and adjusted the filter chain in IY.
 * Assembled the additional geophone pods.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2021/6/11 13:00-

Participants:

Post O3 Upgrade portal

Schedule

  • IX: H4 geophone should be replaced. For alignment of IFO, it is necessary to enter the cryostat.
  • IY: Cryostat was closed on 6/7. Cryo-payload was released on 6/10.
  • EX: Adjustment of Yaw FR was started, but not yet finished. Repair of cable is necessary. Closing top chamber by 6/17.
  • EY: F0 and IP were tuned. Cleaning with pure water was tested.

Status

  • Corrugate tube fixing jig: Other 3 sets will be ready by the end of June.
  • TM height setting: Next target is ITMY.
  • Commissioning in air: The first priority is damping of PR3. Making the auto TF measurement.
  • Commissioning in vacuum:
  • Overall commissioning:
  • Acceptance check: Group work is set every Friday. Maintenance day was also set on Friday.
  • PF actuator: After SC.
  • Jig for FC painting:
  • New rack in 2F: Schedule?

Discussion


VIS Meeting

14:00-

Participants:

Klog

This is generated by python script in /users/Miyo/dropbox/Script/scrapping/main.py.

Summary Report

Type-A

  • Tuned the IP and F0 in EY.
  • Adjusting the F0 FR in EX.
  • Released the payload and adjusted the filter chain in IY.
  • Assembled the additional geophone pods.

Type-B

Type-Bp

TypeC

Electronics

Control

Schedule

See Schedule

  • Type-A team: IY(F0 tuning), EX(Cable repair, Yaw FR adjustment, IP adjustment)
  • Type-B team: SR(IP tuning)

Milestone

  • IMC suspensions are ready in air [40] will finish 2021/04/21.

  • PRs are ready in air [643] will finish 2021/07/09.

  • ETMX is ready in air [656] will finish 2021/08/25.

  • ITMX is ready in air [657] will finish 2021/08/31.

  • ETMY is ready in air [658] will finish 2021/09/16.

  • ITMY is ready in air [659] will finish 2021/11/08.

  • BS is ready in air [691] will finish 2021/11/24.

  • SRs are ready in air [663] will finish 2021/12/20.

  • Output suspensions are ready in air [695] will finish 2021/12/21.

  • TMSY is ready in air [708] will finish 2021/??/??.

  • TMSX is ready in air [684] will finish 2021/??/??.

2021/03/29 updated

Safety

Discussion

Travel Plans

The week from 6/14

  • Takahashi: 6/14-18
  • Sato: 6/14-18
  • Hirata: 6/14-18
  • Yano: 6/14-18

The week from 6/21

  • Takahashi: 6/21-22
  • Hirata: 6/21-22
  • Yano: 6/21-25

Next meeting

  • 2021/6/18(FRI)

KAGRA/Subgroups/VIS/VISMinutes20210611 (last edited 2021-06-11 14:41:54 by RyutaroTakahashi)