Differences between revisions 1 and 2
Revision 1 as of 2022-12-14 07:28:04
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Revision 2 as of 2022-12-14 07:37:54
Size: 1205
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Deletions are marked like this. Additions are marked like this.
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 * 221207  * 221214
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  * All leak test at center area was performed
   * OMC : on 22 Nov, closed chamber, started pumping down [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23002|klog#23002]]
    * but, small leak was found [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23024|klog#23024]]
   * TMSY : In vac, leak test done, opened the gate valve after 15th Nov.
  * ETMY cooling down will start from 29th Nov. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23078|klog#23078]]
  * FPMI lock
  * PRFPMI lock trial
  * ALS noise hunting
  * ASC implementation
  * OMC status
  * Suspension commissioning
  * ISS/High power laser
Line 10: Line 12:
 * Interferometer overall
  * Initial alignment experiment
   * 16:00- everyday (sometimes 11:00-)
  * FPMI lock
   * Lock enable
   * Trial for DC readout with ISS control
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  * PRMI lock trial
   * Search the good alignment
    * ADS engaged and alignment of the IMMT1,2 and PRM
  * 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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  * 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
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  * X arm commissioning
   * End X IM 85K
   * EY duct shield cooling ~250 K
   * We will start the noise budget of the new oplev again
   * OMC ASC using the Xend test mass
    * Signal was detected in OMC PD
  * ASC implementation
   * Evaluate offset map
   * Trial of the implementation of the ASC loop
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  * Y arm commissioning
   * IY duct shield cooling ~250 K
   * EY duct shield cooling (11/29~)
  * 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 36: Line 35:
  * New high power laser
   * PMC 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
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  * ASC preparation
   * Sensing matrix measurements
  * ISS/High power laser
   * ISS characterization is ongoing
   * High power laser : Check the stability of IMC LSC lock
  • 221214
  • Overall schedule
    • FPMI lock
    • PRFPMI lock trial
    • ALS noise hunting
    • ASC implementation
    • OMC status
    • Suspension commissioning
    • ISS/High power laser
    • 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

KAGRA/Subgroups/DET/Meeting/221214 (last edited 2022-12-14 07:39:15 by TakaakiYokozawa)