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Date: 2023/11/24 13:00- Date: 2023/11/24 13:00-13:15
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Participants: Participants: Takahashi, Ikeda, Mitsuhashi, Ushiba, Hirata, Miyaki, Akutsu
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 * Oplev: Exchange of the light source for MN in EY.  * Oplev: Exchange of the light source for MN in EY. It is working without the temperature control.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2023/11/24 13:00-13:15

Participants: Takahashi, Ikeda, Mitsuhashi, Ushiba, Hirata, Miyaki, Akutsu

Acceptance check document

Suspensions

  • Type-A: Measurement of the eigenmode frequencies.
  • Type-B:
  • Type-Bp: Investigation of the damping control in PR3.
  • Type-C:

Other items

  • Oplev: Exchange of the light source for MN in EY. It is working without the temperature control.
  • ACC:
  • Commissioning:
  • Vacuum system: Interlock system for the pumps (Plan).

  • 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: Preparation for the geophone pod for IFI chamber.
  • Height adjustments of Type-A in the cooling: EY in the next cooling.

Discussion


VIS Meeting

Date: 2023/11/24 10:00-11:20

Participants: Takahashi, Mitsuhashi, Otsuka, Akutsu, Tomaru, Hirata, Ushiba

Summary Report

Type-A

Type-B

Type-Bp

  • Investigation of the damping control in PR3.

Type-C

Electronics

Control

R&D

  • TAMA-SAS experiment: Measurement of RL resonances.
  • Calculation of the RL potential.

Schedule

  • TAMA-SAS experiment.

Toward O5

Dropbox paper

  • Preparation for the test of mini-GAS for the KFC suspension.
  • The item of the BF damper for Type-B should be asked to ATC.

Discussion

  • JPS meeting in March: Submission 11/21-12/6

Next meeting

  • 2023/12/8 10:00-

KAGRA/Subgroups/VIS/VISMinutes20231124 (last edited 2023-11-24 13:22:49 by RyutaroTakahashi)