2017/2/27(Tue.)

• Remote participants by eZuce: Izumi
• Report of work (*:responsible person)
  • Alignment and ETMY: *Enomoto, Ushiba, Yamamoto
    • Beam was lost at the ETMX and ETMY. We will check actual beam inside the chambers at the center area.
    • Sampling model of RT model was changed from 16kHz to 2kHz and glitches disappeared!
  • IOO: kokeyama
    • IO chassis has been replaced but it did not work due to PC's problem. The PC was replaced and seemed to be OK. but IRIG-B showed 9999xx still.
  • CRY: mirror temperature ~110K.
    • The satellite amplifier has an oscillation for photo sensors at low temperature. Satellite amplifiers which will be used for photo sensors at low temperature should be modified.
• Work plan (*:responsible person)
  • ETMY: *Enomomoto, Ushiba, Miyamoto
    • Original REFL port will be tested to pick up Mich signal.
  • Camera: Yokozawa
    • fine tuning and safety.
  • Height change of PRs:
    • It will be planed tomorrow. Preparation is almost done.
• Laser hazard: AM: PSL, PM: Upstream SR2-3 line, and Y-end.
• Weekly
  • Week of 2/26
    • ETMY tuninng.
    • Beam alignment to REFL port.
    • 2/28: Height change for PRs
  • week of 3/5
    • IYC door will be closed.
    • Exchanging items and cleaning inside the PR2 chamber
  • week of 3/12
    • TMS installation at ETMY.
    • Connecting ducts at the corner area.
  • week of 3/19
    • Vacuum test at at the corner area.
    • TMS alignment using green light at ETMY.
• Issues