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⇤ ← Revision 1 as of 2023-11-30 15:57:31 →
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Editor: RyutaroTakahashi
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← Revision 3 as of 2023-12-01 13:29:07 → ⇥
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Editor: RyutaroTakahashi
Comment:
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Date: 2023/12/1 13:00- Date: 2023/12/1 13:00-13:20
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Participants: Participants: Takahashi, Sato, Akutsu, Mitsuhashi, Hirata, Yokozawa, Aso, Node
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 * Oplev: Some problems on the MN LEN Oplev in EY and IY.  * Oplev: MN LEN Oplev in EY became mpisy. Some points (ADC, ghost beam, QPD, Dsub connector, P-L coupling, etc) are under investigation.
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 * IP control with the ACCs: One more test.  * IP control with the ACCs: One more test. TF around 1mHz should be measured.

Contents

  1. Agenda/Minutes
  2. CRY+VIS Interface Meeting
    1. Suspensions
    2. Other items
    3. Post O4a
    4. Discussion

Agenda/Minutes

Zoom Meeting

CRY+VIS Interface Meeting

Date: 2023/12/1 13:00-13:20

Participants: Takahashi, Sato, Akutsu, Mitsuhashi, Hirata, Yokozawa, Aso, Node

Acceptance check document

Suspensions

  • Type-A:
  • Type-B:
  • Type-Bp: Test of the damping control in PR3.
  • Type-C:

Other items

  • Oplev: MN LEN Oplev in EY became mpisy. Some points (ADC, ghost beam, QPD, Dsub connector, P-L coupling, etc) are under investigation.
  • ACC:
  • Commissioning:

  • Vacuum system: Interlock system for the pumps (Plan).

  • Heater control:
  • TMS:

Post O4a

  • Measurements of the DAC noise: Type-C.
  • Optimization of the damping control in PRs: PR3.
  • IP control with the ACCs: One more test. TF around 1mHz should be measured.
  • In-vacuum accelerometer for IOO: Preparation for the geophone pod for IFI chamber.
  • Height adjustments of Type-A in the cooling: EY in the next cooling.

Discussion

KAGRA/Subgroups/VIS/VISMinutes20231201 (last edited 2023-12-01 13:29:07 by RyutaroTakahashi)