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⇤ ← Revision 3 as of 2019-11-29 12:11:18 →
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← Revision 4 as of 2019-11-29 12:23:10 → ⇥
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Editor: TakaakiYokozawa
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 * Newtonian noise measurement
  * Francesca mainly measured the newtonian noise

 * Materials
  * If you planed to by the PEM materials, please let me know as soon as possible
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  * Tentative : 18V DC noise(24Hz), Cryochamber vibration, Air compressors, FFU, Cooler, Noise search   * Tentative : Air cooler, ground, air compressor
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    * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/191126/Agenda|LVK PEM meeting (11/26)]] 16:00-18:00
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    * ACC ground loop problem
    * New accelerometers for noise search
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   * Daily summary page     * PSL room
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   * Slow monitor page [[https://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/PEM/SEM/]]
   * Coherence study between FPMI & PEMs (on-going)		    * Slow monitor page
   * Lockloss study
   * Volt monitor for the optical table
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   * Acoustic injection with FPMI (+ Washimi, Yamada, TNTanaka)

  * Mori
   * Vacuum pump vibration 		   * Acoustic injection with FPMI
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   * Lock loss study [[attachment:PEMmtg_191119lock.pdf]]    * Lock loss study

Weekly PEM meeting

  • 2019/12/03(Tue) 16:00-(JST)
  • Regular meeting meeting (Japanese)

  • Web meeting with Zoom2 (Zoom2)

Agenda

  • General issue
    • Interferometer status
      • To be announce later
  • Conference
  • PEM injection
    • Shaker injection1 (TTanaka, Yokozawa)
    • acoustic injection (TTanaka, Yokozawa)
    • magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa)
    • Acoustic injection to the PSL room
  • Newtonian noise measurement
    • Francesca mainly measured the newtonian noise
  • Materials
    • If you planed to by the PEM materials, please let me know as soon as possible
  • Weekly PEM measurement
    • Understanding the effect of the instruments, search the origin of noise, and so on
    • Tentative : Air cooler, ground, air compressor
  • 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 11/24-12/10
  • Each progress
    • Yokozawa
      • Current serious noises
        • MICH control noise
        • Lock state vs EXC magnetometer
        • PSL room
    • Washimi
      • Slow monitor page
      • Lockloss study
      • Volt monitor for the optical table
      • Polish-up of Acuostic reverberation time (on-going)
    • Kozakai
      • Trigger analysis with silent run
    • TTanaka(ICRR)
      • Acoustic injection with FPMI
    • Fujikawa
      • Lock loss study
      • fujimopy
      • Line amplitude web page
    • TTanaka(Niigata)
      • Preparation of the coil
      • IXC compressor study
    • etc

KAGRA/Subgroups/PEM/Meeting/191203/Agenda (last edited 2019-11-29 12:23:10 by TakaakiYokozawa)