• KAGRA
• Commissioning
• DailyWork
• 2019-01-22

2019/1/22(Tue.)

Weekend

Transition from morning work (*:responsible person)

• Haibo starts joining commissioning work. He will stay 20days.

Report of work (*:responsible person)

• BS: Two cables were not connected well, so actuation was not correct when measuring TF day before yesterday.
  • TF was measured yesterday but still TF showed something different from the last correct measurement.
  • FR moved 800um.
  • Anyway alignment can be proceeded probably this afternoon.
• CRY: we found disconnected cables at ITMX.
• OMC: OMMT was aligned, and it was found that OSEM was touched somewhere.
• PEM: Ondotori is still not working because of software issue.

Work plan (*:responsible person)

• COMM: we will check PR3 first, then SR3.
  • Access to PR3 is quite difficult, gate valve needs to be removed or optical table needs to be fix.
  • we will decide whether we need clean the mirror surface or not.
  • Once mirror inspection and cleaning (if necessary), then will start alignment for REFL using reflected beam from ITMX.
• COMM: PDA will be placed EYA.
• SR3, SR2: height is OK. FR will be tuned.
  • SR3 surface will be inspected.