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  *   * X and Y arm IR cavity lock check
  * Green laser system
   * Fiber noise cancelling check
  * ISC (Interferometer Sensing and Control, LSC and ASC)
  * Next : ALS DARM lock?
  * Action items before closing chamber : Will discuss tomorrow
  • Overall schedule
    • End of July - End of August : Pumping down center area
    • Sep - Commissioning
  • X arm commissioning
    • Both IR and GR cavity lock keeping
    • IX : Cooling down the duct shield TM~250 K
    • EX : Cooling down the duct and two radiation shield TM~110K
    • Finesse and TM position by TCam are ongoing
    • TMSX optical table characterization : early July : After this, we can start ASC
  • Y arm commissioning
    • Pumping down started
    • EY has leak point, we will open the chamber soon
    • IR and GR lock succeeded!
  • Center area commissioning
    • Main IR
      • Table configuration : ongoing
      • Interesting channel for X arm IR lock : JGWDoc14080

    • Mirror cleaning(first contact) and mid-size baffle installation
      • PR2 : Installed
      • SR2 : Installed
      • BS : Installed
      • PRM : Installed
      • PR3 : First contact (maybe) done
      • SR3 : Not yet
      • SRM : Not yet (When replacement?)
    • IMC (Input Mode Cleaner)
      • ASC (Alignment Sensing and Control) done
      • Interesting point
        • Long term stability check
          • Beam power, beam position, oplev monitoring
        • Glitch investigation
        • Temperature dependence
        • Relationship between PSL room
        • With PEM channels
        • (Hammering test?)
    • Suspension commissioning : ongoing
      • PR's suspension middle of June - end of June (two weeks)
    • OMC installation : done
      • Some unexpected glitch : circuit?
      • Alignment : partially done : BS fluctuation large and SRM replacement
      • TF measurement : ongoing
    • High power laser
      • Accepted to install to KAGRA site
      • When exchange the laser source : Unknown
    • ISS (Intensity Stabilization System) installation : unknown
      • Must item before closing chamber
  • Interferometer commissioning
    • X and Y arm IR cavity lock check
    • Green laser system
      • Fiber noise cancelling check
    • ISC (Interferometer Sensing and Control, LSC and ASC)
    • Next : ALS DARM lock?
    • Action items before closing chamber : Will discuss tomorrow

KAGRA/Subgroups/DET/Meeting/220613 (last edited 2022-06-13 08:03:15 by TakaakiYokozawa)