• KAGRA
• Commissioning
• Weekly
• 20181211
• Agenda

2018/12/11 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

• Every Wednesday morning: Maintenance; 12/12:updating RCG to 3.1.1 for RT models.
• 11/5 - end of Nov.: Route to IYA is closed.
• 12/10 or 11: ETMX cleaning
• Week of 12/1, until 12/14: Night work ok.
• 12/15, 16 and Week of 12/17~: No night work.

• New schedule Plan B is proposed. Other list by Saito.

  • Extended date: 12/10-1/6.

  • 1/6: End of X arm commissioning -> Open chambers.

  • Week of 1/7~: no beam in the daytime
  • 1/18~ : Y arm alignment from BS to ETMY using IR beam.
  • 2/18~ Y arm commissioning

Discussion

• We learned we need to monitor VIS motion when pump down. We may need also some monitors VIS motion when venting.

• X arm lock

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7128: PR area condition change w/o FFU operation

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7150: Switching off them all

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7180: Fiber fixing

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7203: Fiber fixing

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7224: Fiber fixing

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7239: X Arm lock!

  • http://klog.icrr.u-tokyo.ac.jp/osl/uploads/7255_20181203043031_carmlock.pdf: Configuration of the PSL room

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7265: Frequency noise of the laser injected to MIF were evaluated by X arm

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7301: Cavity scan

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7307: X arm cavity characterization

• Y arm alignment
• VIS

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7162: BS recovery work

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7208: BS recovery work

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7236: SR3-RM was sitting on the EQ frame

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7244: SR3-RM was sitting on the EQ frame

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7268: SR3-RM was sitting on the EQ frame

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7296: 0.2-0.3Hz too noisy

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7299: 0.2-0.3Hz too noisy

• Laser, PSL, IOO report

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7177: Intensity stabilization (laser power is 20 W)

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7220: iMC WFS work

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7275: iMC WFS loops closed

• PCAL
• PEM

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7251:SDF

• DGS

  • http://klog.icrr.u-tokyo.ac.jp/osl/?r=7221:clean up of EY2 rack