2018/4/13(Fri.)
* Remote participants by eZuce: Miyoki
Report of work (*:responsible person)
- IFO: *Enomoto, Nakano, Nagano, Ohashi, Furuta, Yokozawa
- Last night, the beam from ETMX was lost caused by probably a shit at oplev. Installing a view port might introduce the shift on oplev yaw.
- Centering of oplev was done this morning
Alignment was tuned IMC from 0.3/1.0->0.7/1.0
- ETMY damping was improved a bit by Nakano. Now ~3urad.
- VAC: *Kimura
- View port for oplev at ETMX was attached yesterday's afternoon.
- All the preparation was done and the door of EXC was closed.
Work plan (*:responsible person)
- IFO: *Enomoto, Nakano, Nagano
- Alignment of REFL port aftenoon.
- Some damping work.
- VAC: *Kimura
- Pumping down will start ~10am today.
Laser hazard
- [AM]
- IR: PSL, Yend 1F
- Green: off
- [PM]
- IR: Upstream SR2-3 line, Yend 1F
- Green: off
- [night]
- IR: Upstream SR2-3 line, Yend 1F
- Green: off
Weekly
- week of 4/9
- 4/11 12:30 at fan hut: Meeting before pump down 2.
- Closing EXC.
- Some controls for Michelson.
- 4/13 morning: Pump down starts.
- week of 4/16
- Michelson control.
- Leak check.
- Opening the last gate valve.
- week of 4/23
- Operation