Differences between revisions 11 and 12

ISC Meeting on 2020/06/28 14:00 - 15:00

Participants: Keiko Kokeyama, Chiaki Hirose, Kiwamu Izumi, Masayuki Nakano, Ryosuke Sugimoto, Satoshi Tanioka, Yoichi Aso, Tomotada Akutsu, Kenta Tanaka, Shoichi Oshino, Hiroaki Yamamoto, Shinji Miyoki, Yuta Michimura

Zoom meeting: https://zoom.us/j/6676627462

Your time zone: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20210628T0500

Next meeting

TBD

back to Meetings page

Minutes

Agenda

IMC ASC [Kenta, C. Hirose, 20 min] https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13047　ISCmeeting_0628_hirose.pdf
Phase camera project [Kokeyama, 10 min] slide
ALS report [Izumi, 10 min]
- ALS users manual https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13031
- Remaining tasks for ALS https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13042
IMMT1T ISS POM spec (see below) [Michimura, 10 min]
O4 commissioning task list [Izumi, Michimura]
- Any missing items?
Other reports
- Non-polarizing beam splitters for in-air optical tables ordered https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12956 [Michimura]
- In-vac steering mirrors: https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12592 [Michimura]
  - IMMT1T ISS POM: Spec to be finalized
    - R:T=90:10 for 1064 nm, transmissive for oplev beam (663-675nm) https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12949
      - 0.2963% @ 1064 nm measured by the vendor. 0.22% measured by Akutsu-san at the site.
      - Need to check again if ISS people is happy about R=90%
    - Wedge finalized to be 1 deg (wedge side is HR)
  - All reflective steering mirrors: Spec to be finalized
    - Order AoI=0-30 deg ones and AoI=30-50 ones
    - Wedge finalized to be 0.5 deg
- Optical table cover [Michimura]
  - IMC TRANS assembled, IMC REFL delivered
  - Parts for fixing FFU on REFL, POP, AS ordered
  - TRX and TRY ordered
  - Additional small FFU for POS ordered

KAGRA/subgroup/ifo/MIF/Minutes20210628 (last edited 2021-07-13 11:03:33 by YutaMichimura)

-  ⇤ ← Revision 11 as of 2021-06-28 14:43:37 → 
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- * IMC ASC [Kenta, C. Hirose, 20 min] https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13047
[[attachment:ISCmeeting_0628_hirose.pdf]]
+ * IMC ASC [Kenta, C. Hirose, 20 min] https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13047 [[attachment:ISCmeeting_0628_hirose.pdf]]