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  * Zoom: Kozakai, Yamamoto, Koseyama, Oshino, Suzuki, Yokozawa   * Zoom: Kozakai, Yamamoto, Koseyama, Oshino, Suzuki, Yokozawa, Ushiba

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.

KAGRA/Commissioning/Weekly/20181120/Minute (last edited 2018-11-20 17:37:35 by takafumi.ushiba)