• KAGRA
• Commissioning
• DailyWork
• 2019-04-10

2019/4/10(Wed.)

Schedule

• Center

  • 3/25: Venting

  • 3/27-4/9: Fixing PR2

    • 4/4 -4/5: Gluing

    • 4/8: alignment check
    • 4/8-10: OSEM adjustment
  • 4/11-12: Closing
  • 4/12: Pump down
  • 4/15~: Leak check
• ITMX:

  • 3/19: Cooling stop

  • 3/25: Venting start

  • 3/27: Opning chamber

  • 3/27~: Fixing thermal touch

  • 4/2~: closing chamber and start pumping down

  • 4/12: Cooling starts.
• Xend

  • 3/25: closing and pump down

  • 4/8: Leak check

  • 4/9-10: venting
  • 4/11: Exchange a broken LED for Photo sensor
  • 4/12: closing chamber and start pumping down
  • 4/15: Leak check
  • 4/19(or 22): Cooling start
• Yend

  • 3/26: Venting start

  • 3/28~: Fixing short inside chamber

  • 4/3: Fixing F0 actuator

  • 4/4~: closing chamber and start pumping down.

  • 4/12: Cooling starts.
• 4/8: Daily meeting will be moved to 1PM
  • Summary of work will last for a while in the morning meeting.
• April: Measurement of TF, payload diagonalization on ITMX
• End of April~: DRMI commissioning
• End of April~: Y arm commissioning
• ~End of May: FPMI commissioning

Note

• Commissioning meeting moves at 1PM from this week.

Night work

• IOO: iMC alignment (Kokeyama, Guiguo, June-gyu)

Weekend

Report of work

• DC position IP of SR3 is still not good. It will be fixed this morning with IFO alignment.
• OSEM of PRM are fine now. PR2 and SR2 will be tuned today.

• PR3 was kicked again this morning -> alignment was fixed.

• Yaw of BS should be offloaded this morning.

Work plan

1. alignment -> done during morning meeting, BS offload.

2. OSEM for PR2.
3. OSEM for SR2.
4. No maintenance will be done due to above works, specially there is a possibility that exchanging PCs will disturb PRMs and SRMs.
5. Tonight MIF will try IFO alignment again for the final check. It hopefully will be done tonight, but laser hazard is assigned all the day tomorrow in the case.
6. IOO: iMC ASC work.