Minute of KAGRA commissioning meeting
- Date: 2018/11/13 11AM~12PM
- Attendance: Miyakawa, Aso, Kozakai, Lucia, Eleonora, Oshino, Miyokio
- Zoom: Suzuki, Nakano, Takahashi, Uchiyama, Ushiba
- Y arm alignment starts after NAB installation on the week of 11/26, with IR laser only.
- X arm lock
- 2hours lock was lost not by instability of VIS, by something but we are not sure.
- IR flashes could be seen with CARM lock, but it is not sure it was TEM00. We could know FSR of cavity by the measurement.
- Laser, PSL, IOO report
- At least more than 15W can be provided into the IFO!
- 20% of loss of 30% can be explained by lossy 4 mirrors.
- Report the incident to the Safety office.
- Scheduling for maintenance time on Wednesday morning.
- DAQ, k1iy1, k1ioo, k1imc0, k1lsc will be stopped.
- Next meeting: 11/20.