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Participants: Participants: Takahashi, Yokozawa, Uchiyama, Ushiba, Ikeda, Aso, Sato, Miyoki, Akutsu, Kimura, Hirata
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 * Type-Bp: FC on PR3. Installation of traverser limit SW in PR3. For PR2 in the next week. MSB to PR3 in the next week.
 * Type-C: Alignment of OMC. Recovery of OMMT2 suspension. Adjustment of H3 OSEM in OMMT1 in the next week.		  * Type-Bp: FC on PR3. Installation of traverser limit SW in PR3. For PR2 in 6/14-15. MSB to PR3 in 6/16-17.
 * Type-C: Alignment of OMC. Recovery of OMMT2 suspension. Adjustment of H3 OSEM in OMMT1 after the final alignment (if possible).
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 * Oplev:  * Oplev: Investigating the relation between laser and temperature.
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 * Commissioning in vacuum: Y-arm lock in IR.  * Commissioning in vacuum: GR in Y-arm.
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 * New vacuum pumps for V-chambers: Test in IYV.  * New vacuum pumps for V-chambers: Fan was attached to IYV pump. Test in the next week.

Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Schedule
    2. Status
    3. Discussion
  3. VIS Meeting
    1. Summary Report
      1. Type-A
      2. Type-B
      3. Type-Bp
      4. Type-C
      5. Electronics
      6. Control
    2. Schedule
    3. Safety
    4. Discussion
    5. Travel Plans
    6. Next meeting

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2022/6/10 13:00-

Participants: Takahashi, Yokozawa, Uchiyama, Ushiba, Ikeda, Aso, Sato, Miyoki, Akutsu, Kimura, Hirata

Post O3 Upgrade portal

Schedule

  • IX:
  • EX: Height adjustment of ETMX. Centering of QPD in TMSX.
  • IY: Leak test in the next week.
  • EY: Offload of GAS filters.
  • Type-B: Replacement of H2 geophone in SR2. Stand-alone SM driver for SR3.
  • Type-Bp: FC on PR3. Installation of traverser limit SW in PR3. For PR2 in 6/14-15. MSB to PR3 in 6/16-17.
  • Type-C: Alignment of OMC. Recovery of OMMT2 suspension. Adjustment of H3 OSEM in OMMT1 after the final alignment (if possible).

Status

  • Replacement of flip cables: EXT and BF temp.
  • TM height setting: Following the cooling.
  • Oplev: Investigating the relation between laser and temperature.
  • ACC:
  • Commissioning in air:
  • Commissioning in vacuum: GR in Y-arm.
  • Acceptance check:
  • PF actuator: At the in-vacuum commissioning.
  • New vacuum pumps for V-chambers: Fan was attached to IYV pump. Test in the next week.
  • Heater control: Pending.
  • TMS: QPD in EX.

Discussion

VIS Meeting

Date: 2022/6/10 14:00-

Participants:

Summary Report

Type-A

  • Adjusted the height of ETMX.
  • Offloaded the GAS filters in EY and IY.

Type-B

In SR2 we identified that geophone 2 had a problem, so we replaced it with a spare one. Takahashi-san gave me the information about calibration factors, but I still have to take a look at it.

Type-Bp

  • We installed new cable clamps and limit switches in PR3.
  • We locked the suspension for First Contact application.

Type-C

  • Recovered the IM touching the magnets in OMMT2 suspension.
  • Performed the health check of OMMT1, OMMT2 and OSTM after the OMC alignment. It is necessary to adjust the H3 OSEM in OMMT1.

Electronics

Control

Schedule

  • Type-A:
  • Type-B: Stand-alone SM driver for SR3, geophone work in SR2.
  • Type-Bp: MSB on PR3. Traverser limit SW in PR2.
  • Type-C: H3 OSEM in OMMT1.

Safety

Discussion

Travel Plans

(Date in Kamioka)

The week from 6/13

  • Takahashi: 6/14-17
  • Sato: 6/14-17
  • Hirata: 6/14-17

The week from 6/20

  • Takahashi:
  • Sato:
  • Hirata:

Next meeting

  • 2022/6/17(FRI)

KAGRA/Subgroups/VIS/VISMinutes20220610 (last edited 2022-06-10 14:16:03 by RyutaroTakahashi)