=== 2019/5/31(Fri.) === ==== Schedule ==== * --(5/22-23: MZ release from PSL)-- * --(5/20-24: Exchanging cryo valves.)-- * 5/27-6/2: Y arm mass lock. * --(5/29: RT PC maintenance -> go to safe mode for all VIS connected Dolphin (specially BS) )-- * 6/3-6/14: Installation of TMS for ETMY * 6/8: Engineering run * ITMX * --(5/22AM~: tuned off cryostat cooler, finesse measurement for Xarm)-- * --(5/22AM~: tuned off shield cooler, finesse measurement for Xarm)-- * ETMX * --(5/2: Cooling start)-- * ITMY * --(5/23AM~: tuned off cryostat cooler, finesse measurement for Yarm)-- * ETMY * --(5/17~: tuned off ETMY cryostat cooler)-- * Long term: * 4/22-5/31: Yarm commissioning * 5/27-6/30: DRMI commissioning * 7/1-8/9: DRFPMI commissioning * 8/12-10/4: DRFPMI ASC * 10/7-11/15: Post Commissioning * 11/18-12/13: Noise hunting ==== Note ==== ==== Night work ==== ==== Weekend ==== ==== Report of work ==== * Type A: VIS team is changing all the TYPE A models for damping schemes. * Type A, CRY, COM: ITMX is fluctuating a lot. * COM: Yarm finesse was 1290, a bit lower than before. It might be contamination. * VIS damping worked well. * COM: Y arm lock: New filters will be applied tonight. ==== Work plan ==== * Killing ITMX resonance. * Finesse measurement for both arm.