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  * Silent run sometimes performed
   * 2022/12/28 evening - 2023/01/14 morning
   * Overnight
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  * SEM update

Weekly PEM meeting

General announcement

  • Task list generation 2023
    • Posted
  • KAGRA visiting plan
    • Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa

Meeting and Conference issue

  • JPS meeting (Online)
    • Registration : Finished
      • Washimi(Schumann resonance)
      • Fulunaga(Schumann resonance)
      • Miyamoto(Weather)
  • GR23 in Beijin, China
  • GWPAW2022 in Melbourne Australia (5-9 December)

    • Other meetings url

If you have some presentation about PEM related, please contact to me.

Business travel

  • Depending on the situation of COVID-19
  • To Kamioka
    • Hoshino, Sato(1/15-18)
  • From Kamioka

General issue

  • FPMI lock
    • Lock enable
    • Silent run sometimes performed
      • 2022/12/28 evening - 2023/01/14 morning
      • Overnight
    • Silent run sometimes performed
      • 2022/12/28 evening - 2023/01/14 morning
      • Overnight
    • Trial for DC readout with ISS control
    • ALS CARM/DARM tuning
  • PRFPMI lock trial
    • PRMI lock stable
    • Establish the initial alignment
    • Bottle neck is the noise level of ALS
      • It made difficult to hand over from GR to IR
      • Implementation of the PNC(Phase Noise Cancellation) to reduce the 0.4Hz resonant peak
        • In vac optical table and put the steering mirror on it
      • Reducing the air disturbance
  • ASC implementation
    • Evaluate offset map
    • Trial of the implementation of the ASC loop
  • Repair the leak at OMC area
    • End of January?
    • High power laser : PLL with new laser
      • During the repairing work?

  • 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

  • ICA for E-run/O3GK (Kume, Kobayashi)
  • Micro seismic analysis (Hoshino)
  • Acoustic reverberation time paper (Washimi+)
    • Suspend
    • Re-measurement before O4?
  • Tonga GIF paper
    • Playground application

Preparation for O4

  • Weather station
    • 2nd weather station installed
    • Rain and snow
  • Investigation of the PEM injection is just started
    • Preparing the function generator
    • Acoustic injection preparation
    • Magnetic injection
    • Portable PEM injectors
  • Voltmeter preparation
    • We made the PEM channel
      • K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF}
      • K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF}
    • AC power monitoring
      • Bought transreducer
  • Schumann resonance outside
    • Measured from end of Aug. (Now finished)
  • After O4
    • RF monitor with mokugo
    • Tiltmeter
    • RI detector
    • Newtonian noise
  • Discussion with DET members
    • Daily summary page PEM

Progress report

  • Yuzurihara
    • Pastavi

    • Data Quality Report slide

    • Data quality evaluation
  • Suzuki
    • Water simulation
  • Hoshino
    • Seismic motion analysis
  • Miyamoto
    • Weather analysis
  • Kume
    • Report of paper progress
  • Fukunaga
    • Schumann resonance
  • Kiyota
    • Power line noise investigation
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
    • Virgo mag
    • SEM update
  • Yokozawa
    • New PEM preparation

Place for memo

KAGRA/Subgroups/PEM/Meeting/230113/Agenda (last edited 2023-01-13 16:39:15 by TakaakiYokozawa)