= MIR Meeting on 2023/01/18 16:00 - 17:00 = Participants: KYamamoto, Marc, Sungho, Matteo === Next meeting === 2023 Feb 15, 16:00 - 17:00 == Minutes == 1. Report on SiNx/SiO2 + Ta2O5-TiO2/SiO2 development at LMA by Matteo 1. Report on Q measurement of KAGRA sapphire by KYamamoto-san * measurement planned for early February 1. Report on loss angle measurement at cryo temperature and relative paper by KYamamoto 1. Report on status of polishing by Matteo * chat with Safran (Sungho) 1. Report on spectrophotometry measurement by Marc == Agenda == * LMA coating updates * various recaps * SIM update