Contents
VIS Meeting
Date: 2025/11/21 10:00-10:45
Participants: Sato, Akutsu, Aso, Takahashi
Topics
Type-A
- Oscillation of ITMX.
ITMX had a large oscillation around 1Hz due to the rubbing of the F3 keystone. The setpoints of F1 and F3 were changed (klog).
- Height adjustment
- Warming up will start on Dec. 8.
- ACCs for the IP controls.
- TF measurements of the folded pendulum are planned.
- Preparing for three ACCs.
Type-B/Bp
- IRM damper for Type-B.
- Installation in SRM is scheduled on 3/9-19.
- 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.
- The new geophone pod is assembled. A leak test should be performed.
The effect due to the evacuation of the TMS chamber was small (<20um). The effect due to the temperature change was larger.
- Sato-san is designing the fishing rod (FR). FRs will be useful for the initial adjustment.
- Small Type-C suspensions with mini-GAS.
R&D
Discussion
- The modification of the Type-A tower toward O6.
Next meeting
- 2025/12/5 10:00-