= IOO meeting 2019 1007 = == Connection == Zoom3: https://zoom.us/j/5045179604 == Participants == Ohakawa, Sugai, Uehara, Takahashi, Fujikawa, Tanaka, (Akutsu), Somiya, == Announcements == * MZM paper was approved. * === Conferences === == Recent Status == === IMC === * The beam position on the MCo is off-centered by 1.5 cm or more. * We might leave it by O3. It needs to vent the chamber to fix it. === IFI === * The input beam seems to be clipped at the IFI. We are working on fixing it. === OMC, OMMT, OSTM === * OMC commissioning is ongoing. (somiya) * At Sep. 25th. The jig was manufactured and tested. However, the PZT cable cannot be connected with the jig, and it is modified now. -> * The QPD driver did not work well, however, the driver itself seemed fine. -> Test with the LED. * PZT driver is not delivered yet. * OMC glue jig? * PD mount will be delivered ~10/18. * Curved steering mirror will be delivered ~end Oct. * OSTM replacement (takahashi) * Next week, the suspension will be assembled and tested with the dammy mirror. * The mirror is delivered to NAOJ, and Matteo is working in the inspection. * Installation schedule arrangement: * OSTM should be installed after the OMC. * Beam dump? * 情報集め→中の * RF PD has small power and it might limit the sensitivity soon. === Niigata === * Double demodulation * * Scattering measurement * Have another meeting on 10/8. Detail will be discussed there. == Visitor == * June Gyu Park from Oct. 4th to * Anamaria from LIGO ?? in Nov.? == Travel == * Nakano to LLO ~2 weeks in Oct. == Meeting schedule == * 11/11 (Mon.) * 12/2 (Mon.)