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Editor: TakaakiYokozawa
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 * 2023/01/20(Fri) 17:00-  * 2023/01/27(Fri) 17:00-

Weekly PEM meeting

General announcement

  • KAGRA visiting plan
    • Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa
  • SEO budget
    • For maintenance, observation and toward O5

Meeting and Conference issue

  • JPS meeting (Online)
    • Registration : Finished
      • Washimi(Schumann resonance)
      • Fulunaga(Schumann resonance)
      • Miyamoto(Weather)
  • 2nd SPB workshop

    • url

    • Yokozawa will present the KAGRA status
  • LVK meeting
  • GR23 in Beijin, China

  • 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

  • Site work
    • 1/30 - 2/3 Repair the leak at OMC area
    • PLL with new laser
  • FPMI lock
    • Lock enable
    • Silent run sometimes performed

      • 2022/12/28 evening - 2023/01/14 morning klog23463

      • Overnight
    • FPMI with DC readout and ISS locked
  • 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
        • How to brand for hand over
      • 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

  • 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

  • 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
  • After O4
    • RF monitor with mokugo
    • Tiltmeter
    • RI detector
    • Newtonian noise
  • Discussion with DET members
    • Daily summary page PEM

Progress report

  • Oshino
    • Update the daily summary page
  • Yuzurihara
    • Pastavi

    • Data Quality Report slide

    • Data quality evaluation
    • Brief report of the silent run
  • 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
    • SEM update
    • VK mag
  • Yokozawa
    • Interesting topic during silent run

Place for memo

KAGRA/Subgroups/PEM/Meeting/230127/Agenda (last edited 2023-01-27 12:32:36 by TakaakiYokozawa)