Differences between revisions 3 and 4
⇤ ← Revision 3 as of 2022-12-16 05:53:29 →
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Editor: TakaakiYokozawa
Comment:
← Revision 4 as of 2022-12-16 06:02:34 → ⇥
Size: 4801
Editor: TakaakiYokozawa
Comment:
Deletions are marked like this. Additions are marked like this.
Line 54: Line 54:
  * Kiyota(12/18-24)
Line 59: Line 60:
 * Overall schedule
  * OMC : LSC and ASL locked
   * DC readout done		  * momentary blackout
  * 2022/12/15 9:45
  * Recovered
Line 63: Line 64:
 * EYC cooling down
  * Opened the gate valve between EYC and TMSY
  * Started the duct shield cooling down		  * FPMI lock
  * Lock enable
  * Trial for DC readout with ISS control
Line 67: Line 68:
 * Interferometer overall
  * PRMI lock succeeded
  * PRFPMI Lock trial		  * 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
Line 71: Line 74:
 * FPMI lock succeeded
  * DARM(AS17), CARM(REFL45), MICH(REFL51->POP17)
  * Latest sensitivity [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=22097|klog22097]]
  * Calibration evaluation
  * Control filter optimization
  * Interferometer characterization		  * ALS noise hunting
  * We found ondotori was one of the noise which made twin glitch
  * 0.4 Hz unknown peak
Line 78: Line 78:
  * X arm commissioning
   * End X IM 86K		  * ASC implementation
  * Evaluate offset map
  * Trial of the implementation of the ASC loop
Line 81: Line 82:
  * Y arm commissioning
   * IY, EY duct shield cooling 		 * 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
Line 84: Line 87:
  * New high power laser
   * PMC locked
   * IMC locked
 
  * ISS
   * Control loop done
   * Characterization is ongoing		  * 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
Line 92: Line 91:
  * ASC preparation
   * Sensing matrix measurements
   * Offset evaluation

 * Schedule
  * [[attachment:Schedule_220325.pdf|attachment]]

 * PEM schedule
  * Re-installation of PEMs toward O4		  * ISS/High power laser
  * ISS characterization is ongoing
  * High power laser : Check the stability of IMC LSC lock
Line 123: Line 116:
  * Weather in KAGRA entrance
  * New weather station
  * Calibration		   * 2nd weather station
  * Rain and snow
Line 128: Line 120:
  * New DAC preparation
  * Acoustic injection at PSL/IMMCS/X/Y-end
  * Magnetic injection (After Washimi-san visiting to Virgo)		   * Preparing the function generator
  * Acoustic injection preparation
  * Magnetic injection
Line 137: Line 129:
  * Need the AC power monitor?   * AC power monitoring
   * Bought transreducer
Line 140: Line 133:
  * Measured from end of Aug.
  * Position slightly changed
   * X(to be the angle between X and Y to 90 deg)
   * Z(-10 cm)
  * Prepared the AC power supply and LAN cable
  * Start the measurement of the electric field		   * Measured from end of Aug. (Now finished)
Line 187: Line 175:
  * Magnetic injection
Line 189: Line 178:
  * Discussion in F2F meeting   * Removed the ondotori

Weekly PEM meeting

General announcement

  • Author list application 2022
    • [kagra 05488]
    • If you have question or consultation, please contact to Yokozawa and Washimi-san
  • Task list generation 2023

    • task list 2023

    • Also, please contact to me if there are question or consultation
  • KAGRA visiting plan
    • 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?

Meeting and Conference issue

  • 第7回 宇宙素粒子若手の会 秋の研究会 https://www.icrr.u-tokyo.ac.jp/YMAP/event/conf2022/index.html

    • 12/9, 10 @ 神岡
    • Registration : 〜11/20
  • 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
    • Miyamoto(12/12-24)
    • Kiyota(12/18-24)
  • From Kamioka

General issue

  • momentary blackout
    • 2022/12/15 9:45
    • Recovered
  • FPMI lock
    • Lock enable
    • Trial for DC readout with ISS control
  • 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
  • ALS noise hunting
    • We found ondotori was one of the noise which made twin glitch
    • 0.4 Hz unknown peak
  • ASC implementation
    • Evaluate offset map
    • Trial of the implementation of the ASC loop
  • 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
    • High power laser : Check the stability of IMC LSC lock

  • 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

Preparation for O4

  • Weather station
    • 2nd weather station
    • 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
    • Report the Virgo/ET visiting
    • Magnetic injection
  • Yokozawa
    • Removed the ondotori

Place for memo

KAGRA/Subgroups/PEM/Meeting/221216/Agenda (last edited 2022-12-16 18:37:05 by tatsuki.washimi)