• KAGRA
• Commissioning
• Weekly
• 20181120
• Minute

Minute of KAGRA commissioning meeting

• Date: 2018/11/20 11AM~12PM
• Attendance: Miyakawa, Aso, Enomoto, Izumi, Lucia
  • Zoom: Kozakai, Yamamoto, Koseyama, Oshino, Suzuki, Yokozawa, Ushiba

Schedule

• CAL injection on 11/26-29 won't affect to commissioning task.

Discussion

• We need 2weeks more.
• Minimum success is stabilization of IR fluctuation to cavity resonant frequency.

• 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.
• Yarm commissioning
  • Nakano-kun, Eleonora lead the Y arm commissioning task, and Sugimoto-kun can join to Y arm team. Enzo and Type B team can work for commissioning work specially for BS and SR.
• Laser, PSL, IOO report
  • Characterization for PMC, IMC, FSS started. The results will be summerized to somewhere.
  • ISS noise hunting started. No difference was seen between KIKUSUI and KEPCO DC power supply.

Others

• Next meeting: 11/27.