ISC Meeting for ASC Strategies 2021/08/16 13:00 - 15:00
Participants: Shinji Miyoki, Naoki Koyama, Osamu Miyakawa, Terrence Tsang, Yoichi Aso, Tatsuki Washimi, Chiaki Hirose, Yuta Michimura
Zoom meeting: https://zoom.us/j/5045179604
Your time zone: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20210816T0400
Next meeting
TBD
Minutes
Agenda
- External review next week! August 24, 2021 22:00-0:00 (JST)
- Requirements for local damping summarized
ITMs and ETMs (Type-A): <240 um/sec, <0.1 urad RMS
BS (Type-B): <1.6 um/sec, <1 urad RMS
SRs (Type-B): <0.44 um/sec, <1 urad RMS
PRs (Type-Bp): <7.3 um/sec, <1 urad RMS
- References:
K. Okutomi PhD thesis (Table 3.5) JGW-P1809347
T. Sekiguchi PhD thesis (Table 5.2) JGW-P1504155
Y. Michimura et al (Section 6) Classical and Quantum Gravity 34, 225001 (2017)
- Possibility of shortening Xarm and Yarm commissioning?
http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/MIF/ExternalReview2021#agenda2
Latest schedule: https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9209
- Strategy for the arm cavity commissioning while the central area is open
- Should we adjust the position of the PR2 and PR3 to improve the mode matching to the arms at Xarm/Yarm commissioning periods? Or after the center area is evacuated?
- What we want to ask the reviewers?
- IMC ASC report? (Kenta, Chiaki)
- To be discussed at the IMC ASC weekly on Wednesday