• KAGRA
• Commissioning
• Weekly
• 20181225
• Agenda

2018/12/25 Commissioning meeting topics

• Assignment of staffs for night work

  • https://teamup.com/kswnmta8p18h6u1uab

• Readiness for the X arm commissioning.

  • https://docs.google.com/spreadsheets/d/1S2gyFkyajlbPXMKCrqJV7181YFHUxUgPRB6SXz4z4jI/edit?usp=sharing

Schedule

• 12/18-19 or 1/4-6: Removal of aluminum foil for WAB at EYC.
  • 1/4-6: Removal of first contact of ETMY
• 12/29,30: line injection.
• 1/4 Camera moves to ETMY.
• 1/6: End of X arm commissioning.
• 1/7~ : Opening chambers.
  • 1/7~ : High power beam dump installation.
  • 1/14~18 : Hight check for VIS systems.
  • 1/7~11 : BS tuning
• beam alignment:
  • 1/7~: Opening IMC Chamber.
    • IMC beam alignment in air: 1/11-14
    • IMC lock recover in vacuum: 1/16
    • IMC to ETMX: 1/17-21
  • BS to ETMY: 1/17-21
  • ITMY to REFL: 1/21-22
  • ITMY to SRM: 1/22-23
  • ITMY to OMC: 1/23-25
  • ITMX to OMC: 1/23-25
  • POS to ETMY(Green laser): 1/23-24
  • ETMY to POS(Green laser): 1/24-25
  • ETMX to ITMX: 2/11-22
• 2/4~ DRMI Y arm commissioning
• 2/18~ Y arm commissioning
• 3/18~ FPMI commissioning

Discussion

• Time sharing without night work time in the mine, specially CAL, VIS and commissioning.
  • 12/18-28: CAL work at EXA

• X commissioning

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7425: ALS noise investigation: ADC noise and re-measurement of VCO noise

• Laser, PSL, IOO report

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7451: Installation of High power beam shutter

• AOS

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7469: Evacuating the EXT chamber