---- PR2,3,BS,SRM,SR2,SR3 Cleaning(Aso-kun, Hirata-san) ---- PR2: Acceptable after FCing * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29228 PR3: Slight dots could not be removed by even pure water. We accepted this situation. * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29520 No cleaning for BS, SRM, SR2, SR3 * Did you eyeballs checks during the beam path check? ---- Suspension Condition of PR2, PR3, BS, SR3, SR2, SRM. (Takahashi-san, Ushiba-kun, Hirata-san) ---- * Mechanical Motion * Smooth pico motion and its default position: skip * Gaps between magnets and coils :skip * Gaps between EQ stoppers and mirrors * PR2: OK * (Recovery Work)https://klog.icrr.u-tokyo.ac.jp/osl/?r=28593 * Position measurement of the traverse: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28637, 3mm +Y side adjustment was done. * PR3: OK * (Recovery Work)https://klog.icrr.u-tokyo.ac.jp/osl/?r=28509 * Position measurement of the traverse: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28718 * BS : OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29682 * SRM: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29594 * SR2: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29595 * SR3: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29596 * SRMs: OK for wider space: total comments: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29612 * IP adjustment * BS: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28359 * SR2 : https://klog.icrr.u-tokyo.ac.jp/osl/?r=28355 * SR3: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28353 * SRM: OK even after earthquakes. * Temperature should be the same in the future. * Electrical wirings * Coil resistances and inductances -> * PR2: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29429 * PR3: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29430 * BS : OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29088, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29014 * SRM: * SR2: * SR3: * DAC noise * SRM: https://klog.icrr.u-tokyo.ac.jp/osl/?r=26230 * SR2/3: done before Jan 1st 2024. * OSEM conditions: Ratations were found so much. But they could be acceptable from the point t of view of signals. * RP2: OK: (Recovery Work)https://klog.icrr.u-tokyo.ac.jp/osl/?r=28593 * RP3: OK: (Recovery Work)https://klog.icrr.u-tokyo.ac.jp/osl/?r=28509 * BS : OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29156, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29379 * SRM: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29317, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29323, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29594 * SR2: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29315, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29322, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29595 * SR3: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29316, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29321, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29596 * Smooth Mag-coil motion and balance and TFs * Spectrum ---> Should be taken. * PR2: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28674, https://klog.icrr.u-tokyo.ac.jp/osl/?r=28768, https://klog.icrr.u-tokyo.ac.jp/osl/?r=28770, https://klog.icrr.u-tokyo.ac.jp/osl/?r=28774, * PR3: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28808, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29648, * BS: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28292, https://klog.icrr.u-tokyo.ac.jp/osl/?r=28352, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29432 * SRM: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28373, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29584 * SR2: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28369, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29498 * SR3: OK: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28368, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29199 (TF is OK, Blending problem happened on the peaks. Please write this contents in klog!) ---- Oplev Check for PR2,3,BS,SRM,SR2,SR3. (Yokozawa-kun) ---- Activities * All seem to be fine: BS, SR2, SR3, SRM: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29670 * Photos in PR2 and PR3 chambers will be taken. Beam Power * Beam Path Clearance *beam pathes were checked but it is difficult to take photos. *PR2: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29345 *PR3: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28896 *BS and SRs: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29670 QPD centering * Calibration * Spectrum Health * Oplev beam's stray light influence * almost no light? Oplev table covering * we will do this after closing. ---- Beam Path and Baffle Position ---- * IR * Optical beam alignment from BS to SRM * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29635 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29630 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29632 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29635 * Mid baffles and stray light inspection around SR3, SR2, and SRM * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29629 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29636 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29642 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29690 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29703 * SR transmission (IR) will be checked. * SRM front surface reflection could not be found. * IR beam might be clipped at PR3 HR mid-baffle. *GR * GRX * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28558 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28579 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28860 * TMSX : https://klog.icrr.u-tokyo.ac.jp/osl/?r=29131 * for IFI-PRM: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29261 * for IFI-PRM: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29282 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29299 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29341 * GRY * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28689 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28827 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28847 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28861 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28898 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28920 * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29115 * IR/GR arm alignment * X-arm: * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29346, * https://klog.icrr.u-tokyo.ac.jp/osl/?r=29448, * Finesse: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29586 * Y-arm: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29478 ---- Leaked hermetic flange repair on BS ---- * Finished: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29146, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29088, https://klog.icrr.u-tokyo.ac.jp/osl/?r=29146 ---- Vacuum system (Kimura/Uchiyama and their selected persons) ---- Open the GV between SRM-SR3, and Close the GV between SRM-OMC !! * tierod adjustment for the GV on the SRM side. Clean inside as much as possible including the bellows duct with TMP * PR3, PR3, BS : * SR2, SR3, SRM : maybe impossible from the only side hatches. Check the flange seal surface condition where were opened. * Decide where the elastomer/Metal gasket will be used. * Check the opened flanges and the top hut of PRM2, 3 * PR2: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29413 * PR3: https://klog.icrr.u-tokyo.ac.jp/osl/?r=29412 Logistic to reinstall the bellows duct with TMP. * Sawada-sana and Mirapro members call * If you use chain block, please be careful of its fixing * Careful cramp tightening near oplevs.