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⇤ ← Revision 4 as of 2019-11-09 04:11:36 →
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Editor: TakaakiYokozawa
Comment:
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    * 24Hz noise (100V AC + AA?)
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    * Coherent with ITMX MN YAW
    * Coherence with ITMY TM PIT		     * ACC ground loop problem
    * New accelerometers for noise search
    * Lock state vs EXC magnetometer
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   * Summary of coherence study between PEMs and DARM displacement ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10923|pdf]])

  * Washimi, Yamada, TTanaka
   * IXC vibration Yamada ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10925|pdf]])		    * IXC Air compressor (+TNTanaka)
   * IXV chamber characterization (+Yamada, TNTanaka)
   * 100V AC monitor
   * Coherence between DARM and PEM channels
   * PEM map
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  * TTanaka(ICRR), Washimi, TTanaka(Niigata), Yamada
   * Acoustic injection with FPMI		   * TTanaka(ICRR)
   * Acoustic injection with FPMI (+ Washimi, Yamada, TNTanaka)
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   * Vacuum pump vibration[[attachment:StopVacuumePump.pdf]]    * Vacuum pump vibration
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   * fujimopy [[attachment:PEMmtg_191105fmpy.pdf]]    * fujimopy
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  * Fujikawa, Washimi
   * Lock loss study [[attachment:PEMmtg_191105lock.pdf]]		   * Fujikawa
   * Lock loss study (+Washimi)
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   * 24Hz noise situation    * IXC compressor study

Weekly PEM meeting

  • 2019/11/12(Tue) 17:00-(JST)
  • Regular meeting meeting

  • Web meeting with Zoom2 (Zoom2)

Agenda

  • General issue
    • Interferometer status
      • We are fixing the ALS(Arm Length Stabilization system) problem.

      • Long silent run at 2nd Nobember (klog11312)

      • See the detail in url

      • Silent run -> Some excitation(including calibration line) -> PEM injection -> Hardware injection

  • PTEP paper
    • [kagra 03133]
    • KAGRA Overview papers
    • Overview of KAGRA : (3) Detchar, calibration, physical environment, data quality
  • Next F2F meeting
    • RESCEU
    • 4th and 5th Dec., 2019
    • 1 slot Washimi-san will have a talk
    • If you plan to write master/doctor thesis, please let me know
      • TTanaka
  • Chrome Book project (Portable PEM researcher)
  • PEM injection
    • Shaker injection1 (TTanaka, Yokozawa)
    • acoustic injection (TTanaka, Yokozawa)
    • magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa)
  • Weekly PEM measurement
    • Friday (+every morning) is weekly PEM measurement
    • Understanding the effect of the instruments, search the origin of noise, and so on
    • Tentative : 18V DC noise(24Hz), Cryochamber vibration, Air compressors, FFU, Cooler, Noise search
  • Database for the KAGRA characteristic lines

    • url

    • Fixed bugs
  • Visitors from LV
    • Anamaria from Livingston : 18 - 29 Nov.
    • Federico, Irene, Camilla (input optics) + Francesca from Virgo : 11/26-12/7 (2 weeks@KAGRA, 1 weeks@NAOJ)
    • Fujikawa, TNTanaka 11/24-12/3
  • Each progress
    • Yokozawa
      • Current serious noises
        • MICH control noise
        • ACC ground loop problem
        • New accelerometers for noise search
        • Lock state vs EXC magnetometer
      • Daily summary page
    • Washimi
      • IXC Air compressor (+TNTanaka)
      • IXV chamber characterization (+Yamada, TNTanaka)
      • 100V AC monitor
      • Coherence between DARM and PEM channels
      • PEM map
    • Kozakai
      • Trigger analysis with silent run
    • TTanaka(ICRR)
      • Acoustic injection with FPMI (+ Washimi, Yamada, TNTanaka)
    • Mori
      • Vacuum pump vibration
    • Fujikawa, Mori
      • fujimopy
      • Line amplitude web page
    • Fujikawa
      • Lock loss study (+Washimi)
    • TTanaka(Niigata)
      • Preparation of the coil
      • IXC compressor study
    • etc

KAGRA/Subgroups/PEM/Meeting/191112/Agenda (last edited 2019-11-13 10:32:55 by taiki.tanaka)