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Date: 2023/6/30 13:00- Date: 2023/6/30 13:00-13:20
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Participants: Participants: Takahashi, Mitsuhashi, Hirata, Yokozawa, Uchiyama, Aso, Miyoki, Sato, Akutsu, Ushiba
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 * Vacuum system:  * Vacuum system: Executed some TMPs to stop the cryo-cooler.
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 * IP control with the ACCs: After the CAL week.  * IP control with the ACCs: Start the long-term test in IY from 6/30.
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 * Check of the length Oplev: At the time of the laser replacement.
 * Noise budget of the suspensions: Ongoing.
 * Check of the length Oplev: This weekend except for IY.
 * Noise budget of the suspensions: Finished except for the tower part.
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 * Check of the space in the OMC/IMMT chamber:  * Check of the space in the OMC/I FI chamber: Sato-san made the layout with the geophone pod in the IFI chamber.

Agenda/Minutes

Zoom Meeting


CRY+VIS Interface Meeting

Date: 2023/6/30 13:00-13:20

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

Acceptance check document

Suspensions

  • Type-A: Measurements of noise budget.
  • Type-B: Measurements of noise budget in SR2, SR3.
  • Type-Bp: Measurements of noise budget in PR2, PR3
  • Type-C: Measurements of noise budget.

Other items

  • Oplev:
  • ACC:
  • Commissioning:
  • Vacuum system: Executed some TMPs to stop the cryo-cooler.
  • 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: Start the long-term test in IY from 6/30.
  • In-vacuum accelerometer for IOO: Checked the geophone pod on 6/27.
  • Hight adjustments of Type-A in the cooling.
  • Measurement of the drum-head modes: 6/28.
  • Check of the length Oplev: This weekend except for IY.
  • Noise budget of the suspensions: Finished except for the tower part.
  • Temperature control for the Oplev: Preparing for the heater controller.
  • Check of the space in the OMC/I FI chamber: Sato-san made the layout with the geophone pod in the IFI chamber.

Discussion

KAGRA/Subgroups/VIS/VISMinutes20230630 (last edited 2023-06-30 13:25:37 by RyutaroTakahashi)