• KAGRA
• Commissioning
• Weekly
• 20181009
• Minute

Minute of KAGRA commissioning meeting

• Date: 2018/10/9 11AM~12PM
• Attendance: Miyakawa, Kokeyama, Eleonora, Enomoto, Miyoki
  • Zoom: Ushiba, Izumi, Yamamoto, Kimura, Yokozawa, Kozakai, Oshino

X arm alignment

• Keeping Alignment day by day.
• PR2 and PR3 moved.
  • If PR2 height is aligned, it causes misalignment.
  • Opening top caver of chamber may cause misalignment by touching Periscope.
  • PR2 will be tuned today again.
• Currently both beam are reaching to end.
• Final alignment will be checked 10/10 in the night shift.
• Buffle PD will be installed soon, then we need high power input beam.

IOO

• 5W will be out in the PSL this week.

CAL

• Calibration line injection.
  • They need rebooting PC once today or tomorrow.

AC power at racks

• SC3 was almost full.

Picomotor

• New driver seemed to be not working. Miyo-kun tried it in other network, the it worked.
  • Trouble might be network traffic in kAGRA control.

DGS

• EPICS gateway has been implemented. Network traffic should be much smaller now (~1/10).
• Still not perfect. Needs more tuning.

Others

• Next meeting: 10/9.