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 * Moving the TAMA-SAS tower from the warehouse to the ATC lab on 7/20.  * Moved the TAMA-SAS tower from the warehouse to the ATC lab on 7/20.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2023/7/21 14:00-

Participants:

Acceptance check document

Suspensions

  • Type-A: Height adjustment toward the cooling.
  • Type-B:
  • Type-Bp:
  • Type-C:

Other items

  • Oplev:
  • ACC: Test of the IP control with ACCs in IY.
  • Commissioning:
  • Vacuum system: Opened the OMC chamber again.
  • Heater control:
  • TMS:

Post O4a

  • Measurements of the DAC noise: The next time on 8/4.
  • 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: Removed the geophone pod from the OMC chamber.
  • Hight adjustments of Type-A in the cooling: The procedure.

  • Check of the length Oplev:
  • Noise budget of the suspensions:
  • Temperature control for the Oplev: Preparing for the heater controller.

Discussion


VIS Meeting

Date: 2023/7/21 10:00-

Participants:

Summary Report

Type-A

  • Height adjustment toward the cooling.

Type-B

Type-Bp

Type-C

  • Damping of the OMC suspension.
    • Prototype test of the blade damper.
    • Design of the flexible pendulum damper.

Electronics

Control

R&D

  • Moved the TAMA-SAS tower from the warehouse to the ATC lab on 7/20.

Schedule

  • Monitoring and offload of Type-A during the cooling.

Toward O5

Discussion

Next meeting

  • 2023/8/4 10:30-

KAGRA/Subgroups/VIS/VISMinutes20230721 (last edited 2023-07-21 15:07:40 by RyutaroTakahashi)