• KAGRA
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• VIS
• VISMinutes20250117

VIS Meeting

Date: 2025/1/17 10:00-10:40

Zoom

Participants: Sato, Tanaka, Ushiba, Yokozawa, Washimi, Takahashi

Topics

Type-A

• Height adjustment during the cooling.
  • Final adjustment was performed on Jan. 17th.
• ACCs for the IP controls.
  • Preparing for the stand-alone test bench with DGS in Mitaka.　Ikeda-san has set the DGS up in the ATC lab.

Type-B/Bp

• Enclosure for the SG card into an independent box.
  • Asking Tanaka-san. The card has a regulator to convert +/-18V to +/-15V.
• Yaw damper for Type-B.
  • One set should be tested in SRM around autumn 2025.
• IP for Type-Bp.

Type-C

• Active isolation table for OMC.

  • Sato-san is checking the fitting condition of the TMS isolator to the OMC chamber (update). The structural mode also should be checked.

• Vibration in the IFI chamber

  • Measurement of STM using the laser sensor (location, clamping). The work opening the IFI chamber is planned for mid-Feb.

  • Small Type-C suspensions with mini-GAS.

R&D

Discussion

Next meeting

• 2025/1/31 10:00-