== Weekly PEM meeting == * 2019/11/05(Tue) 17:00-(JST) * Regular meeting meeting * Web meeting with Zoom2 ([[https://zoom.us/j/6676627462|Zoom2]]) === Agenda ===   * General issue * Interferometer status * Now, we can lock the interferometer stably * ISS(Intensity Stabilization System) was implemented, better sensitivity * Long silent run at 2nd Nobember ([[http://klog.icrr.u-tokyo.ac.jp/osl/?r=11312|klog11312]]) * See the detail in [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/RUN/MORNINGRUN2019|url]] * Silent run -> Some excitation(including calibration line) -> PEM injection -> Hardware injection * PTEP paper * [kagra 03133] * KAGRA Overview papers * Overview of KAGRA : (3) Detchar, calibration, physical environment, data quality * Next F2F meeting * RESCEU * 4th and 5th Dec., 2019 * 1 slot Washimi-san will have a talk * If you plan to write master/doctor thesis, please let me know * Chrome Book project (Portable PEM researcher) * http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Portable * We prepared two PEM Chromebook * Start writing paper (PTEP?) * PEM injection * Shaker injection1 (TTanaka, Yokozawa) * Shaker injection2 (Okutomi, Fabian) * acoustic injection (TTanaka, Yokozawa) * magnetic field injection (Niigata Tanaka, Fujikawa, Yokozawa) * RF injection (TTanaka, Washimi) * Weekly PEM measurement * Friday is weekly PEM measurement * Understanding the effect of the instruments, search the origin of noise, and so on * Tentative : New vacuum pump, 18V DC noise(24Hz), Cryochamber vibration(46Hz), FFU, Noise search * Database for the KAGRA characteristic lines * [[https://www.icrr.u-tokyo.ac.jp/~yokozawa/KAGRA_line_database/index.html|url]] * Visitors from LV * Anamaria from Livingston : 18 - 29 Nov. * Federico, Irene, Camilla (input optics) + Francesca from Virgo : 11/18-12/7 (2 weeks@KAGRA, 1 weeks@NAOJ) * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Meeting/191126/Agenda|LVK PEM meeting (11/26)]] * Each progress * Yokozawa * Current serious noises * 24Hz noise (100V AC + AA?) * MICH control noise * Coherent with ITMX MN YAW * Coherence with ITMY TM PIT * Daily summary page * Washimi * Summary of coherence study between PEMs and DARM displacement ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10923|pdf]]) * Washimi, Yamada, TTanaka * IXC vibration Yamada ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10925|pdf]]) * Kozakai * Trigger analysis with silent run * TTanaka(ICRR), Washimi, TTanaka(Niigata), Yamada * Acoustic injection with FPMI * Mori * Vacuum pump vibration[[attachment:StopVacuumePump.pdf]] * Fujikawa, Mori * fujimopy [[attachment:PEMmtg_191105fmpy.pdf]] * Line amplitude web page * Fujikawa, Washimi * Lock loss study [[attachment:PEMmtg_191105lock.pdf]] * TTanaka(Niigata) * Preparation of the coil * 24Hz noise situation * etc