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Revision 1 as of 2023-01-13 06:11:57
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Revision 3 as of 2023-01-13 16:36:10
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 * Author list application 2022
  * [kagra 05488]
  * Finished

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  * [[attachment:authorlisttasklist_PEM_2023.pdf|task list 2023]]
  * Deadline: January 6 (Fri), 2023
  * Also, please contact to me if there are question or consultation
  * Posted
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  * Welcome to visit KAGRA site
  * Please contact to Ohashi-san

 * Important discussion with ET people
  * Magnetic field from infrastructure
  * If you want to join the discussion, please let Yokozawa know.

 * Visiting to Virgo site
  * By C2C budget
  * Contact to Virgo people
   * Next year?
  * Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa

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 * 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

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  * Miyamoto(12/12-24)
  * Kiyota(12/18-24)

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  * Hoshino, Sato(1/15-18)

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  * Hoshino, Sato(1/15-18)

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

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

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 * ALS noise hunting
  * 0.4 Hz phase noise
   * Implementation of the phase noise cancellation
  * Air disturbance noise
   * Need silent PSL room ?
  * 10 Hz harmonics line noise?
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   * 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

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   * 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

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 * OMC status
  * Pumping down : ongoing
  * We succeeded to lock the OMC LSC and ASC
  * Implemented the OMC ASC using beacom from the ETMX drum head mode

 * Suspension commissioning
  * Check the long term stability of the suspensions with the control loop for the observation mode
  * Investigating the ACC, geophone, seismometer and LVDT for reducing the low frequency fluctuation

 * ISS/High power laser
  * ISS characterization is ongoing
   * Hammering test(?)
  * High power laser : Check the stability of IMC LSC lock
   * Beam profile measurement

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 * Repair the leak at OMC area
  * End of January?

  * High power laser : PLL with new laser
   * During the repairing work?

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 * Repair the leak at OMC area
  * End of January?

  * High power laser : PLL with new laser
   * During the repairing work?

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     * meeting : 12/21 13:00-15:00
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     * Playground application


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     * Playground application


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    * 東洋テクニカ meting : 12/22(木) 16:00~
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 * Washimi [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14597|JGW-G2214597]]
  * Magnetic injection

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 * Washimi
  * Virgo mag

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 * Washimi
  * Virgo mag

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Weekly PEM meeting

General announcement


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  • 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


/!\ Edit conflict - your version:


  • 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


/!\ End of edit conflict


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


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  • Hoshino, Sato(1/15-18)


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  • Hoshino, Sato(1/15-18)


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  • From Kamioka

General issue

  • FPMI lock
    • Lock enable
    • Silent run sometimes performed
      • 2022/12/28 evening - 2023/01/14 morning
      • Overnight


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  • Silent run sometimes performed
    • 2022/12/28 evening - 2023/01/14 morning
    • Overnight


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  • 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


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  • 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


/!\ Edit conflict - your version:


  • 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


/!\ End of edit conflict


  • ASC implementation
    • Evaluate offset map
    • Trial of the implementation of the ASC loop


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  • Repair the leak at OMC area
    • End of January?
    • High power laser : PLL with new laser
      • During the repairing work?


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  • Repair the leak at OMC area
    • End of January?
    • High power laser : PLL with new laser
      • During the repairing work?


/!\ End of edit conflict


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


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  • Playground application


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  • Playground application


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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


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  • 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


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  • Washimi
    • Virgo mag


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  • Washimi
    • Virgo mag


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  • Yokozawa
    • New PEM preparation

Place for memo

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