2019/5/13(Mon.)
Schedule
- 5/20-24: Exchanging cryo valves.
- Center
4/12: Pump down
4/29,30: Leak check
~5/3: Vent and pumpdown
5/9: leak check
- ITMX:
4/2~: closing chamber and start pumping down.
4/10: Cooling starts.
5/8: Cooling done
- Xend
4/25: Pumpdown
5/2: leak check
5/2: Cooling start
- Yend
4/4~: closing chamber and start pumping down.
4/10: Cooling starts.
5/8: Cooling done
- April: Measurement of TF, payload diagonalization on ITMX
- End of April~: Y arm commissioning
- ~End of May: FPMI commissioning
Note
Night work
Weekend
Report of work
- COM: Y arm lock was tried with stabilized laser by X arm.
- Did not succeed by oscillation of VIS if fed back to L of ITMY.
- Type A: Worked for coil balance for Type A. Coil cable of TM of ETMY might be swapped.
- Trying damp marionette for Type A seemed to work good.
- Type B: Transition of Inertial damping for SR2 succeeded.