Differences between revisions 15 and 16
Revision 15 as of 2023-02-17 10:43:29
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Editor: miyoki
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Revision 16 as of 2023-02-17 10:49:06
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Editor: miyoki
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   *where is the noise due to the "normally expected" seismic noise?
   *..
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  *3 mirror cooling(~2 months)   *3 mirrors(IX, IY, EY) cooling(~2 months(assuming "1 month for one mirror" and "one cooling in one arm at the same time".)
   *How much commissioning time will be used for
    *suspension height adjustment
    *drifting
    *PY/L coupling adjustment
    *...

Commissioning Strategy Meeting (2023/2/17)


  • Topics on the sensitivity enhancement
    • Seismic noise isolation of OMC?? (~ 6 months??)
      • where is the noise due to the "normally expected" seismic noise?
      • ..
    • 3 mirrors(IX, IY, EY) cooling(~2 months(assuming "1 month for one mirror" and "one cooling in one arm at the same time".)
      • How much commissioning time will be used for
        • suspension height adjustment
        • drifting
        • PY/L coupling adjustment
        • ...
    • Control of PRFPMI+DC
      • ADS/ASC/WFS for arms to mitigate the contrast fluctuation
      • Enhance OMC lock-acquire stability?
      • More dynamic range of PNC-X?
    • Laser
      • HPL usage for IFO (120W to Toyama U, Characterized New 60W to KAGRA)
      • HPL in Toyama U (new 60W characterization -> KAGRA, Repair of 120W from KAGRA)

      • ISS
    • Noise hunting and reduction
      • MICH
      • PRCL
      • Suspension control around 100Hz for some suspensions
      • Suspension control around the micro-seismic area
    • MISC
      • Remove unnecessary stuff from the isolated area, especially around OMC.
  • Topics on maintenance for the long operation
    • Vacuum stuff
    • Cryo-coolers
    • Air conditioning Coolers/heaters
    • Seasonal water drainage

KAGRA/Commissioning/Meetings/Others/StrategyMeeting (last edited 2023-02-17 15:30:37 by miyoki)