Differences between revisions 3 and 4
⇤ ← Revision 3 as of 2023-10-25 16:06:30 →
Size: 985
Editor: matteo.leonardi
Comment:
← Revision 4 as of 2023-10-25 16:07:17 → ⇥
Size: 991
Editor: matteo.leonardi
Comment:
Deletions are marked like this. Additions are marked like this.
Line 12: Line 12:
  * 250k -> 10^4
  * 80K -> 10^5 for ETMs and 10^6 for ITMs		   * 250k -> 10^(4)
  * 80K -> 10^(5) for ETMs and 10^(6) for ITMs

MIR Meeting on 2023/10/25 15:00 - 16:00

Participants: Haoyu, Tomaru, Shalika, Somiya, Marc, Sungho, KYamamoto, Aso, Matteo

Next meeting

2023 November 22, 16:00 - 17:00

Minutes

  1. update on LC birefringence setup from Marc
  2. no update on coating loss angle paper from KYamamoto
  3. update on substrate Q measurement on site
    • automated measurement of 24kHz drum mode

    • 250k -> 10^(4)

    • 80K -> 10(5) for ETMs and 10(6) for ITMs

    • 34kHz mode Q value is higher than the Q of 24kHz one
  4. update on paper writing from Haoyu
    • first draft circulation in 2 weeks approximately
  5. update on ITMs polishing by Aso
    • preliminary maps requested by Thales
    • final polishing spec document circulated
    • issue/discussion on flatness spec
    • meeting with Nikon planned to discuss about mid-spatial frequencies requirement
    • starting of final polishing possible within current FY (possibly Feb 2024)

Agenda

  • various updates

KAGRA/Subgroups/MIR/Meetings/Minutes20231025 (last edited 2023-10-25 16:08:44 by matteo.leonardi)