Differences between revisions 1 and 7 (spanning 6 versions)
⇤ ← Revision 1 as of 2019-12-09 09:50:39 →
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Editor: TakaakiYokozawa
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← Revision 7 as of 2019-12-10 23:26:58 → ⇥
Size: 2156
Editor: yuta.fujikawa
Comment:
Deletions are marked like this. Additions are marked like this.
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   * There is still some peaks in the lower frequency
   * Mostly AS PD noise at higher frequency
   * Peaks appeared at higher frequency
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   * F2F meeting (4th and 5th Dec., 2019 @ RESCEU) [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/LCGT/Meeting/f2f/2019Dec]]
     * Washimi (PEM status)
     * Miyo (doctoral thesis)
     * TTanaka (master thesis)
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     * registration : -12/3 14:00      * Yokozawa, TTanaka
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   * Where is the PZT shaker driver?
   * Acoustic injection -> Shaker injection
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   * PSL, REFL and AS table injection
   * Analysis is ongoing
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  * Acoustic injection to the PSL room    * Effect of the air cooler magnetic field
   * AS, REFL table injection
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  * Thank you for Virgo PEM member!
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 * 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
  * [[https://www.icrr.u-tokyo.ac.jp/~yokozawa/KAGRA_line_database/index.html|url]]
  * Fixed bugs		  * PEM measurement
  * Sunday morning : PEM injection
  * 10th Dec. : Xend environmental check
  * Someday : Effect of the sound to DARM displacement
  * Someday : Environmental check around BS (including the POP)
  * Someday : Evaluation of the table cover
  * Someday : SR2 and SR3 optical lever (Reflection light from SRM?)
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   * 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		   * Adam, Sheila (-12/13)
  * Camilla (-12/20)
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   * Short report about newtonian noise measurement(Virgo PEM effort)
   * Short report about jitter noise at PSL room(Camilla effort)
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    * MICH control noise
    * Lock state vs EXC magnetometer
    * PSL room
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   * Slow monitor page
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   * Lock loss study 
   * fujimopy
  * Line amplitude web page 		   * Lock loss study
   * fujimopy [[attachment:PEMmtg_191211lock.pdf]]
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   * Preparation of the coil
   * IXC compressor study

    * Magnetic field from air cooler and compressor
   * Magnetic field injection to AS and REFL table

Weekly PEM meeting

  • 2019/12/10(Tue) 16:00-(JST)
  • Regular meeting meeting (Japanese)

  • Web meeting with Zoom2 (Zoom2)

Agenda

  • General issue
    • Interferometer status
      • Detection range is about 10kpc (or 30kpc(?))
      • There is still some peaks in the lower frequency
      • Mostly AS PD noise at higher frequency
      • Peaks appeared at higher frequency
      • December 17-24 24h engineering run
  • Conference
    • JPS (2010/3/16-19 @ Nagoya)
      • Yokozawa, TTanaka
  • PEM injection
    • Shaker injection1 (TTanaka, Yokozawa)
      • Where is the PZT shaker driver?

      • Acoustic injection -> Shaker injection

    • acoustic injection (TTanaka, Yokozawa)
      • PSL, REFL and AS table injection
      • Analysis is ongoing
    • magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa)
      • Effect of the air cooler magnetic field
      • AS, REFL table injection
  • Newtonian noise measurement
    • Thank you for Virgo PEM member!
    • Francesca mainly measured the newtonian noise
  • PEM measurement
    • Sunday morning : PEM injection
    • 10th Dec. : Xend environmental check
    • Someday : Effect of the sound to DARM displacement
    • Someday : Environmental check around BS (including the POP)
    • Someday : Evaluation of the table cover
    • Someday : SR2 and SR3 optical lever (Reflection light from SRM?)
  • Visitors from LV
    • Adam, Sheila (-12/13)
    • Camilla (-12/20)
  • Each progress
    • Yokozawa
      • Short report about newtonian noise measurement(Virgo PEM effort)
      • Short report about jitter noise at PSL room(Camilla effort)
      • Current serious noises
    • Washimi
      • 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
    • TTanaka(Niigata)
      • Magnetic field from air cooler and compressor
      • Magnetic field injection to AS and REFL table
    • etc

KAGRA/Subgroups/PEM/Meeting/191210/Agenda (last edited 2019-12-11 16:43:23 by taiki.tanaka)