Minute of KAGRA commissioning meeting
- Date: 2018/7/24 11AM~12PM
- Attendance: Miyakawa, Izumi, Ohishi
- eZuce: Yamamoto, Nakano, Shoda, Suzuki
LAS (Nakano)
- EOM and FI are being tested.
- EOM: TF and modulation index were measured.
- Fiber isolate reached and is being tested.
- Installation to KAGRA started.
PSL, IOO
- MZ alignment is being proceeded, and MC has been already locked with single arm of MZ.
- Mode matching ratio is still bad but it will be fixed soon.
ISS
- ISS loop locked again. OLG or RIM was measured, and they are being analyzed.
IMMT2 (Ohishi)
- On 7/9, we started take IMMT out from the chamber.
- All the replacement of magnetized screws is done by the end of last week.
- Mirror position (distance between mirror and coile) was shifted a ~mm, probably caused by tilt of optical.
- TF will be measured soon.
ACC noise
ETMX (Miyamoto)
Geophone
To fix BS GeoPhone, we should open the chamber.
TMS GeoPhone looks fine, but some strange coupling can be seen.
DGS
- DAC is almost out of stock. We should think to start using old DAC used in CLIO.
rack cleaning
Others
- Next meeting: 7/31.