40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 168 of 341  Not logged in ELOG logo
    Reply  Fri Nov 11 21:09:30 2011, Suresh, Update, SUS, MC2 is being a little wild...WFS to blame LOCKMC_screen.png
Entry  Fri Nov 11 22:07:43 2011, Suresh, Update, IOO, Tried to recover the MC alignment of 4th Nov: partial success, PSL beam clipping 
Entry  Sat Nov 12 02:27:00 2011, Suresh, Update, Computers, C1IOO front end suddenly froze. Was restarted remotely 
    Reply  Sat Nov 12 02:44:18 2011, Suresh, Update, Computers, C1IOO front end suddenly froze. Was restarted remotely 
Entry  Sat Nov 12 03:46:55 2011, Suresh, Update, IOO, MC WFS Servo: Open loop gain  WFS1_PIT_servo_filtershape_20111111_1.pngWFS1_PIT_servo_OLG_20111111_1.pngError_signal_WFS1_PIT_20111111_1.png
Entry  Tue Nov 15 00:00:15 2011, Suresh, Update, IOO, MC was realigned to remove beam clipping and to accommodate PZT1 range 
    Reply  Tue Nov 15 01:44:36 2011, Suresh, Update, IOO, MC WFS Servo: Open loop gain  WFS1PIT_OL_gain.png
    Reply  Tue Nov 15 19:59:41 2011, Suresh, Update, IOO, WFS output matrix measured (open loop) 
Entry  Wed Nov 16 08:57:08 2011, Suresh, Update, IOO, MC WFS Servo OLG data and fits WFS1PITservo.pngWFS2PITservo.pngWFS1YAWservo.pngWFS2YAWservo.png
Entry  Wed Nov 16 09:21:56 2011, Suresh, Update, IOO, MC2 Shifted in Pitch, corrected by adjusting the pitch bias 
Entry  Wed Nov 16 10:08:17 2011, Suresh, Update, IOO, Effect of turning on the MC2_TRANS_PIT and YAW loops in ASC WFS_OUTMATRIX.pngWFS_OUTMATRIX.pngWFS_servo_err_20111115.png
    Reply  Wed Nov 16 10:53:35 2011, Suresh, Update, IOO, MC2 Shifted in Pitch, corrected by adjusting the pitch bias C1IOO_MC_ALIGN.png
    Reply  Thu Nov 17 13:58:12 2011, Suresh, Update, IOO, MC unlocked and misaligned. 
    Reply  Fri Nov 18 01:12:14 2011, Suresh, Update, CDS, MC1 LR dead for > 1 month; now revived temporarily 
Entry  Fri Nov 18 08:29:35 2011, Suresh, Update, IOO, HEPA air-flow effect on WFS. WFS_err_HEPA.pngWFS_err_mc2t_effect.png
Entry  Sat Nov 19 06:04:43 2011, Suresh, Update, IOO, MC_WFS Servo: The MC2_TRANS_PIT and YAW loops switched ON WFS_OUTMx_Lastgood.pngWFS_OUTMATRIX_20111118.pngWFS_err_MC2T_on_OMx5_20111118.png
Entry  Wed Nov 23 16:48:39 2011, Suresh, Update, General, cable cleanup 
Entry  Wed Nov 23 16:55:57 2011, Suresh, Update, IOO, MC realigned 
Entry  Sat Nov 26 07:18:11 2011, Suresh, Update, IOO, MC WFS related changes to c1ioo model WFS_err_20111127.pngcioo_20111127.png
Entry  Thu Feb 16 21:13:07 2012, Suresh, Update, Electronics, REFL165 repair: PD replaced, DC response checked with a torch light PC_30641_old.jpgPD_30641_new.jpgIMG_0548.JPG
    Reply  Tue Feb 28 16:31:08 2012, Suresh, Update, Electronics, REFL165 repair: Characterization REFL165_Characterization.pdfREFL165_response_shift.pdf
    Reply  Wed Feb 29 00:22:35 2012, Suresh, Update, Electronics, REFL165 repair: Installed on the AS table 
    Reply  Wed Feb 29 01:14:40 2012, Suresh, Update, Electronics, REFL165 repair: Characterization 
Entry  Mon Mar 12 22:14:56 2012, Suresh, Update, RF System, Calibration of Demod Board Efficiency.  Calibration_Schematic.pngDemod_calib.pngDemod_calib.txtDemod_calib.xlsx
    Reply  Wed Mar 14 16:39:02 2012, Suresh, Update, General, REFL165 signal was not reaching demod board : Fixed Test_CDS_Calibration.png
Entry  Fri Mar 16 06:17:56 2012, Suresh, Update, Electronics, REFL165 calibration : measurements IMG_0552.JPG
    Reply  Mon Mar 19 21:25:31 2012, Suresh, Update, Electronics, REFL165 calibration : measurements 
Entry  Tue Mar 20 17:50:44 2012, Suresh, Update, Computers, Beam Scan machine fixed 
Entry  Fri Mar 23 05:10:46 2012, Suresh, Update, IOO, Beam Profile measurements: Errors too large to yield good fits. rawdataplot.pngPRM-to-REFL-profile.pdf
Entry  Mon Mar 26 23:47:54 2012, Suresh, Update, IOO, Beam Profile measurement: IPPOS beam BeamProfile_IPPOS.pngBeamProfile_IPPOS.pdfBeamProfileData_IPPOS.xlsx
    Reply  Tue Mar 27 02:05:40 2012, Suresh, Update, IOO, Beam Profile measurement: IPPOS beam BeamProfile_IPPOS.pngBeamProfile_IPPOS.png
    Reply  Tue Mar 27 23:37:35 2012, Suresh, Update, IOO, Beam Profile measurement: IPPOS beam Beam-Profile_IPPOS_wError.png
    Reply  Mon Apr 2 23:06:38 2012, Suresh, Update, IOO, Beam Profile measurement: IPPOS beam: Mystery deepens 40mOpticsLocations.pdfBeam-Profile_IPPOS_wError.pdfBeam-Profile_PRM_1_wError.pdf
Entry  Thu Apr 12 01:17:56 2012, Suresh, Update, IOO, Beam Profile measurement: IPPOS beam: Possible Clipping BeamProfileData_IPPOS_2.xlsx
    Reply  Thu Apr 12 14:48:44 2012, Suresh, Update, SUS, local damping and WFS 
    Reply  Thu Apr 12 23:12:16 2012, Suresh, Update, IOO, Beam Profile measurement: IPPOS beam: Possible Clipping 6x
Entry  Fri Apr 13 16:09:43 2012, Suresh, Update, Computer Scripts / Programs, ACAD 2002 installed on C21530 
Entry  Sat Apr 14 00:19:35 2012, Suresh, Omnistructure, LSC, Optical Fibers for insitu RFPD characterisation  
    Reply  Thu Apr 19 09:45:43 2012, Suresh, Update, General, MC2 Oplev signals redirected for use in WFS servo 
Entry  Thu Apr 26 18:17:56 2012, Suresh, Update, IOO, MC WFS: Tweaked the WFS offsets 
Entry  Mon Apr 30 13:00:50 2012, Suresh, Update, CDS, Frame Builder is down 
    Reply  Mon Apr 30 16:56:05 2012, Suresh, Update, CDS, Frame Builder is down 
    Reply  Mon Apr 30 20:43:33 2012, Suresh, Update, CDS, Frame Builder is down 
    Reply  Wed May 23 20:41:37 2012, Suresh, Bureaucracy, General, 40m Meeting Action Items: Tip-tilts : cabling and electronics  
    Reply  Wed May 23 21:32:15 2012, Suresh, Update, IOO, WFS didn't turn off automatically 
Entry  Thu May 24 15:10:43 2012, Suresh, Summary, General, IOO (MC) health check webpage layout MC_Health_Check.pdf
Entry  Thu May 24 19:39:18 2012, Suresh, Update, IOO, MC and WFS alignment adjusted 
Entry  Fri May 25 23:11:50 2012, Suresh, Update, IOO, MC spot positions measured 
Entry  Thu May 31 17:47:25 2012, Suresh, Omnistructure, General, 40m Wireless Network 40m_Wifi.png
Entry  Tue Jun 5 20:42:59 2012, Suresh, Summary, IOO, Tip-Tilt Cabling 40m_Tip-tilt_cabling.png
ELOG V3.1.3-