Regular Meeting 0604
Participants
Kokeyama, Prof. Sato, Murakami, Mujikawa, Fujii, Somiya, Wang, Guo, Ni, Izumi, Nakano, Uehara
Members for 2018 Fiscal year
http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/IOO/Members2017#preview
Announcement
- ISSはレーザーサブグループに移行しました （担当・森脇、三尾）
- ALSは独立のグループになりました（担当・道村、和泉）
Schedule for Phase-2
Chart https://docs.google.com/spreadsheets/d/19xC6L0TJmjMtuSEoGe7Z7SVVK78MD4S52m0Hm0C5IKw/edit
Punchlist https://docs.google.com/spreadsheets/d/1hHhXEqC5DwITUqYFjVgB-ZnAb53V1C4OlaeYNqjblCI/edit#gid=0
Report from the Last 2 weeks
- MCO repair and measurement
- PMC prep
- Refcav issue found
- High Power: Nakano+ measured the beam profile, intensity noise, and so on. See klog **** and wiki "useful doc list". Beam profile was good. Intensity and optical spectrum were ok. Intensity has some unstable noise, once in a several mins (klog 5126) Intensity noise is worse for 40 dB compared with the NPRO.
- OMC: ordered bunch of items. 1. second then film polarizer was found to be opposite detection 2. delivered size of screws, beam dumps etc were wrong. surface process. Upload the document for the schedule.
Plans for the coming 2 weeks
- IMC re-alignment
- PMC installation
- HP laser will be packed and shipped
- MZI