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ID Date Author Type Category Subject Text   4040   Fri Dec 10 09:58:57 2010 Aidan Update SUS beam pointing has been done Good news. I feel multi-chromatic-locking success is just around the corner. By the way, there's a new presentation      4041   Fri Dec 10 11:04:03 2010 Osamu Update SUS ETM oplev mufunctioning        4042   Fri Dec 10 11:51:20 2010 Osamu Update SUS ITM seems bad        4047   Mon Dec 13 18:06:43 2010 Jenne Update SUS ETMY resuspended, ready to install. Tip Tilt realigned, ready to install. [Koji, Jenne] I wish I could use a bigger font for this, but,       4049   Mon Dec 13 22:21:41 2010 kiwamu Summary SUS funny output matrix of ETMX: solved ! I found that a few connections in the simulink model of      4050   Tue Dec 14 01:04:23 2010 kiwamu Update SUS alignment of ITMs and PRM done    The alignment of the ITMs      4054   Tue Dec 14 15:15:19 2010 kiwamu Update SUS put ETMY and aligned the beam   [Zach and Kiwamu]  We      4055   Tue Dec 14 22:42:56 2010 kiwamu Update SUS installed the last TT . And some more progresses   [Koji, Oasmu and Kiwamu]        4063   Thu Dec 16 01:23:43 2010 kiwamu Update SUS SRM OSEMs installed   [Zach and Kiwamu]  We worked      4069   Fri Dec 17 03:37:47 2010 rana Update SUS ITMY / SRM / BS / PRM OPLEVs aligned                    4079   Mon Dec 20 23:10:25 2010 Jenne Update SUS Pretty much ready for pump-down. A few final things.... [Kiwamu, Jenne, Koji, Osamu] We have mostly prepared the IFO for pump down.       4086   Wed Dec 22 11:24:23 2010 haixing Update SUS measurement of imbalance in quadrant maglev protope Yesterday, a sequence of force and gain measurement was made to determine the imbalance in the      4100   Sat Jan 1 16:36:16 2011 rana Configuration SUS rampdown.pl was not running The crontab for op340m which runs various IFO maintenance activities has been set to the      4204   Wed Jan 26 02:18:12 2011 Koji Update SUS ETMX length to angle matrix I have put an offset of 1000 counts to C1:SUS-ETMX_ALS_OFFSET. This actually misalign the mirror a lot.      4236   Tue Feb 1 17:34:21 2011 Jenne Update SUS ETMX and PRM watchdogs tripped I sat down in the control room to find that ETMX and PRM's watchdogs had been tripped.  I don't know how long they've been crazy,      4293   Mon Feb 14 23:29:04 2011 rana Summary SUS ETMX Fitlers moved around All of the SUS used to have only 1 filter module for SIDE. They now have 3 filter modules for SIDE just like the other DOFs.      4326   Fri Feb 18 18:46:08 2011 kiwamu Summary SUS f2p done on ETMX and ITMX The f2p measurements are done on      4327   Fri Feb 18 20:06:59 2011 kiwamu Summary SUS check f2p function on ETMX  The plot below shows how the f2p filters work.      4349   Thu Feb 24 11:18:08 2011 steve Update SUS SRM sus-cables Cheater cables   for SRM sus tied up. They were dangling aimlessly on the floor.      4592   Sat Apr 30 00:15:26 2011 kiwamu Update SUS DRMI prep : suspension diagnostic As a part of the DRMI preparation, I leave all      4594   Mon May 2 11:14:27 2011 kiwamu Update SUS script : opticshutdown Just FYI. There is a useful script for this particular job : shutting down all the suspensions      4596   Mon May 2 13:30:13 2011 kiwamu Update SUS PRMI locking prep: PRM oplev I had a quick look at PRM optical lever. The He-Ne beam is still successfully coming out from the chamber and I could guide      4599   Mon May 2 17:10:55 2011 steve Update SUS PRM oplev The returning spot diameter on the qpd ~10 mm. In order to reduce the spot size I moved the f 1145 mm lens toward the PRM      4611   Tue May 3 13:22:13 2011 Leo Update SUS Re: DRMI prep : suspension diagnostic Here are the free-swinging spectra for the BS, ETMX, ETMY, ITMX, ITMY, MC1, MC2, MC3, and PRM chambers.  Kiwamu left  10x    4613   Tue May 3 15:04:20 2011 kiwamu Update SUS Re: DRMI prep : suspension diagnostic Jenne went through all the suspension racks and pushed all the connectors. After pushing them, we had a quick      4616   Tue May 3 16:20:13 2011 steve Update SUS PRM & BS oplevs are ready                                4626   Wed May 4 13:57:04 2011 kiwamu Update SUS mechanical resonances updated [Leo  w/ a little help from Kiwamu] Leo summarized the mechanical resonances of all      4646   Thu May 5 17:19:21 2011 Leo Singer Configuration SUS Tuning notch filters for bounce mode suspensions I am tuning the notch filters for the bounce modes in the suspensions, starting with the ITMs and ETMs.  I'll do the MCs, the      4652   Fri May 6 14:59:36 2011 Leo Singer Configuration SUS Tuning ITMY bandstop I tuned the ITMY bandstops -- 'before' and 'after' spectra attached.  Note that the after the tuning, the bounce mode      4655   Fri May 6 17:11:55 2011 steve Update SUS SRM-oplev cable The SRM qpd cable was removed from the BS-table. It's path was changed from 1x4 to ITMY-table following the inner cable tray.      4682   Tue May 10 22:56:17 2011 kiwamu Update SUS f2p filters installed on ETMY New f2p filters were installed on ETMY.        4683   Tue May 10 23:14:01 2011 kiwamu Update SUS ETMX_OPLEV : He-Ne laser dead ? I found that a He-Ne laser which has been used for ETMX_OPLEV was NOT giving the light.      4686   Wed May 11 11:05:45 2011 steve Update SUS ETMX_OPLEV : He-Ne replaced                                4687   Wed May 11 11:24:59 2011 steve Update SUS SRM-oplev qpd is back                                4688   Wed May 11 11:44:52 2011 kiwamu Update SUS f2p filters installed on ITMY New f2p filters were installed on       4693   Wed May 11 21:58:30 2011 rana Update SUS ETMX_OPLEV : He-Ne replaced                    4713   Fri May 13 17:20:48 2011 Leo Singer Configuration SUS Tuned bounce and roll mode of ETMY suspension I tuned the bounce and roll mode bandstops for ETMY, although it was difficult for me to tell if there was improvement with the      4719   Sun May 15 12:42:29 2011 kiwamu Update SUS f2p ratio adjutment done for all the suspensions The f2p adjustment for all the suspensions are done      4731   Tue May 17 16:53:22 2011 kiwamu Update SUS oplev sign was wrong on ETMY Last night I found that the sign of the oplev control of PITCH on ETMY was wrong.      4734   Tue May 17 19:38:32 2011 kiwamu Update SUS wrong connection on 1X5 Today Steve was working around the 1X5 rack to strain relief the cable jungles and the      4752   Fri May 20 01:02:50 2011 loose connection hunter Update SUS loose connection on ETMY rack The UL signal of the shadow sensor on ETMY went to zero this evening.       4775   Tue May 31 17:30:42 2011 steve Update SUS ETMY damping restored ETMY's watch dogs were found tripped. They were restored.      4780   Thu Jun 2 16:23:42 2011 Jamie Update SUS SUS control models updated to use new sus_single_control library part A new library part was made for the single suspension controller (it was originally made from the c1scx controller), using the      4791   Mon Jun 6 22:41:22 2011 rana Update SUS Switching problem in SUS models Some weeks ago, Joe, Jamie, and I reworked the ETMY controls.      4792   Mon Jun 6 23:56:16 2011 rana, valera Configuration SUS ETMX/ETMY OSEM whitening  We measured the OSEM PD whitening transfer function of the ETMX OSEM UL whitening stage (      4793   Tue Jun 7 11:39:27 2011 Jamie Update SUS No binary output module in ETMY                                4802   Thu Jun 9 20:10:38 2011 kiwamu Update SUS ETMY whitening filter : all off I checked the state of the whitening filters for the      4827   Thu Jun 16 00:43:36 2011 Koji Update SUS Vertex SUS Binary Output Boxes were turned off / need investigation - I was investigating the SUS whitening issue. - I could not find any suspension      4828   Thu Jun 16 08:45:14 2011 steve Update SUS Vertex SUS Binary Output Boxes removed                                4829   Thu Jun 16 23:19:09 2011 Koji Update SUS Vertex SUS Binary Output Boxes removed [Jamie, Koji] - We found the reason why some of the LEDs had no light. It was because

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