Differences between revisions 3 and 4
⇤ ← Revision 3 as of 2022-06-20 06:57:51 →
Size: 2553
Editor: TakaakiYokozawa
Comment:
← Revision 4 as of 2022-06-20 07:19:40 → ⇥
Size: 2916
Editor: TakaakiYokozawa
Comment:
Deletions are marked like this. Additions are marked like this.
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 * (In case of no trouble)
  * 6/20 - 6/24 Leak of End Y
  * 6/27 - Repair the leak point and start the pumping down
  * 6/20 - 7/1 Suspension commissioning Type-Bp
  * 7/4 - 7/8 Interferometer commissioning
  * 7/11 - 7/22 Suspension commissioning Type-B
  * 7/25 - 7/29 Acceptance check
  * 8/1 - Closing the center area
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=== Interesting data ===

KAGRA Commissioning status at DET meeting

  • Date : 2022/06/20

Overall schedule

  • (In case of no trouble)
    • 6/20 - 6/24 Leak of End Y
    • 6/27 - Repair the leak point and start the pumping down
    • 6/20 - 7/1 Suspension commissioning Type-Bp
    • 7/4 - 7/8 Interferometer commissioning
    • 7/11 - 7/22 Suspension commissioning Type-B
    • 7/25 - 7/29 Acceptance check
    • 8/1 - Closing the center area

Progress of commissioning

Interesting data

  • 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/220620 (last edited 2022-06-22 11:57:40 by HirotakaYuzurihara)