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Date: 2023/7/14 13:00- Date: 2023/7/14 13:00-13:40
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Participants: Participants: Takahashi, Miyoki, Yokozawa, Sato, Akutsu, Mitsuhashi, Node, Ushiba, Ikeda, Aso, Hirata
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 * Noise budget of the suspensions:  * Noise budget of the suspensions: Identified the peak frequencies. Peaks in BS don't match the model.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2023/7/14 13:00-13:40

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

Acceptance check document

Suspensions

  • Type-A: Offloaded the BF GAS in IY.
  • Type-B:
  • Type-Bp:
  • Type-C: Health check of OMMT1/2/OSTM suspensions.

Other items

  • Oplev:
  • ACC: Test of the IP control with ACCs in IY.
  • Commissioning:
  • Vacuum system: Opened the OMC chamber. Leak test in EYC and EXV.
  • Heater control:
  • TMS:

Post O4a

  • Measurements of the DAC noise: Every Friday from 7/7.
  • Measurements on the sensor correction in SR2: 1 night.
  • Optimization of the damping control in PRs: Measurements 2 days, Test 3 days.
  • IP control with the ACCs: Postponed the long-term test in IY.
  • In-vacuum accelerometer for IOO: Installed the geophone pod into the OMC chamber on 7/10.
  • Hight adjustments of Type-A in the cooling: Confirm the procedure.

  • Check of the length Oplev:
  • Noise budget of the suspensions: Identified the peak frequencies. Peaks in BS don't match the model.
  • Temperature control for the Oplev: Preparing for the heater controller.

Discussion

KAGRA/Subgroups/VIS/VISMinutes20230714 (last edited 2023-07-14 13:46:45 by RyutaroTakahashi)