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Date: 2023/11/17 13:00- Date: 2023/11/17 13:00-13:50
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Participants: Participants: Takahashi, Sato, Mitsuhashi, Hirata, Uchiyama, Yokozawa, Ikeda, Akutsu, Ushiba, Miyoki
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 * Type-Bp: Modification of the PRM TM OLDAMP_P/Y filters in PRM.  * Type-Bp: Modification of the TM OLDAMP_P/Y filters in PRM and PR3.
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 * Oplev: Temperature adjustment for the MN TILT oplev in EY.  * Oplev: Temperature adjustment for the MN TILT Oplev in EY. The status of glitches was not changed. Considering a replacement of the laser source.
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 * Vacuum system:  * Vacuum system: Implement of the TMP interlock. The Q-mass in OMC was removed. The TMP was switched to ISP in EY. Implementation of the GV controls by PLC is scheduled in the next week.
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 * The AC adopters for the picomotor were recalled. They will be replaced on maintenance day.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2023/11/17 13:00-13:50

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

Acceptance check document

Suspensions

  • Type-A: Height adjustment of ETMY. Modification of the MN OLDAMP_P filters.
  • Type-B:
  • Type-Bp: Modification of the TM OLDAMP_P/Y filters in PRM and PR3.
  • Type-C:

Other items

  • Oplev: Temperature adjustment for the MN TILT Oplev in EY. The status of glitches was not changed. Considering a replacement of the laser source.
  • ACC:
  • Commissioning:
  • Vacuum system: Implement of the TMP interlock. The Q-mass in OMC was removed. The TMP was switched to ISP in EY. Implementation of the GV controls by PLC is scheduled in the next week.
  • Heater control:
  • TMS:

Post O4a

  • Measurements of the DAC noise: Type-C.
  • Optimization of the damping control in PRs: PR3.
  • IP control with the ACCs: One more test.
  • In-vacuum accelerometer for IOO: Preparing the geophone pod for IFI chamber.
  • Height adjustments of Type-A in the cooling: Continued.

Discussion

  • The AC adopters for the picomotor were recalled. They will be replaced on maintenance day.


KAGRA/Subgroups/VIS/VISMinutes20231117 (last edited 2023-11-17 14:00:37 by RyutaroTakahashi)