= Monday Meeting 0129 = == Participants == Kokeyama, Izumi, Nagano, Uehara, Moriwaki,Matsushima, Furuhata, Yokogawa, Yoshioka == Updates from projects == * Tiltsensor installation [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7722|o]] === Memo related to tilt sensor=== * The tilt sensor is supported by JSPS Core-to-core. * The sensor can measure d\theta directly. * The principle is Mach-Zhender interferometer. * One tilt sensor was installed to MCE. For other two, no space for install. * A difference between OptLev and tilt sensor will be checked. * There are three tilt sensors; one installed. * No phase wrapping(Probably) * Absolute tilt angle can be measured * Dina mic range (5 mrad) is bigger than OptLev's(<1 mrad). * Install is not easy comparing to OptLev install, because there are 4 beam lines. === Memo related to RFAM in EOM=== * AC/DC < 0.0001. == Plan for this week == === Kamioka === * 1/30 ISS work * 1/31-2/2 PMC commissioning == Topic of this week == * Next meeting: 2/19