Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2023/12/22 13:00-13:10

Participants: Takahashi, Uchiyama, Yokozawa, Kimura, Ushiba, Sato, Aso, Miyoki, Hirata

Acceptance check document

Suspensions

• Type-A: Height adjustment in EY. Measurement of the IP transfer functions in IY.
• Type-B:
• Type-Bp:
• Type-C:

Other items

• Oplev: Investigating the MN LEN Oplev in EY.
• ACC:
• Commissioning:
• Vacuum system: Implementation of 4 interlock systems remains in X-arm. The water cooling systems have been repaired or replaced. There was trouble with the compressor in the X-front.
• Heater control: Turn on in EY.
• TMS:

Post O4a

• Measurements of the DAC noise: Type-C.
• Optimization of the damping control in PRs:
• IP control with the ACCs: Measurement of TFs.
• In-vacuum accelerometer for IOO: Assembly of the geophone pod for IFI chamber. There were troubles on the pre-amp boards. The leak test was scheduled for 1/11.
• Height adjustments of Type-A in the cooling: EY.

Discussion

VIS Meeting

Date: 2023/12/22 10:30-11:45

Participants: Takahashi, Mitsuhashi, Aso, Otsuka, Hirata, Sato

Summary Report

Type-A

• Measurement of the IP transfer functions in IY.
• Height adjustment of ETMY.

Type-B

Type-Bp

Type-C

• Assembly of the geophone pod for the IFI chamber.

Electronics

Control

R&D

• TAMA-SAS experiment: Measurement of RL transfer functions.
• Calculation of the RL model.

Schedule

• TAMA-SAS experiment.

Toward O5

Dropbox paper

• Preparation for the test of mini-GAS for the KFC suspension.

Discussion

Next meeting

• 2024/1/5 11:00-