Contents

VIS Meeting

VIS Meeting

Date: 2025/10/24 10:00-10:15

Participants: Aso, Washimi, Yokozawa, Sato, Ushiba, Akutsu, Takahashi

Topics

Type-A

ACCs for the IP controls.
- Evaluating the FLDACC with DGS in ATC (report).

Type-B/Bp

IRM damper for Type-B.
- In-vacuum cables have been made. The actuator coefficient was measured (report).
Enclosure for the SG card in an independent box.
- Preparing for the boxes with a 1U rack panel.
IP for Type-Bp.
- Started a design.

Type-C

Active isolation table for OMC.
- New geophone (SM-700C) was evaluated (report).
- The new geophone pod is under manufacturing. The effect due to the feedthrough flange was measured (report).
- It is necessary to adjust the tilt of the table with FRs. Sato-san checked the space to embed the FRs (report).
Small Type-C suspensions with mini-GAS.

R&D

Discussion

Next meeting

2025/11/7 10:00-

KAGRA/Subgroups/VIS/VISMinutes20251024 (last edited 2025-10-24 10:17:48 by RyutaroTakahashi)