Differences between revisions 2 and 3
⇤ ← Revision 2 as of 2025-06-19 09:01:20 →
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Editor: RyutaroTakahashi
Comment:
← Revision 3 as of 2025-06-20 10:14:46 → ⇥
Size: 1251
Editor: RyutaroTakahashi
Comment:
Deletions are marked like this. Additions are marked like this.
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Participants: Participants: Sato, Takahashi
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  * We reviewed the design of the IRM damper last time. Hirata-san is creating the drawings of the parts.   * We reviewed the design of the IRM damper last time. Hirata-san made the drawings for the parts, and Sato-san checked them.

Contents

  1. VIS Meeting
    1. Topics
      1. Type-A
      2. Type-B/Bp
      3. Type-C
      4. R&D
    2. Discussion
    3. Next meeting

VIS Meeting

Date: 2025/6/20 10:00-

Zoom

Participants: Sato, Takahashi

Topics

Type-A

  • ACCs for the IP controls.

    • Evaluation of the FLDACC with DGS in ATC is ongoing. The present status is here.

Type-B/Bp

  • IRM damper for Type-B.
    • We reviewed the design of the IRM damper last time. Hirata-san made the drawings for the parts, and Sato-san checked them.
  • Enclosure for the SG card in an independent box.
    • Tanaka-san made a prototype box. A 1U panel was prepared to mount the box.
  • IP for Type-Bp.

Type-C

  • Active isolation table for OMC.

    • The new geophone pre-amp. was evaluated (report).

    • We are finding a substitute for the L-4C geophone. We evaluated some geophones in ERI (report). We found a good candidate (SM-700H/V).

  • Small Type-C suspensions with mini-GAS.

R&D

Discussion

Next meeting

  • 2025/7/4 10:00-

KAGRA/Subgroups/VIS/VISMinutes20250620 (last edited 2025-06-20 10:14:46 by RyutaroTakahashi)