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ID Date Author Type Category Subject Text   7620   Thu Oct 25 09:32:17 2012 Steve Omnistructure IOO using access connector                                7619   Thu Oct 25 08:04:45 2012 Steve Update SUS my assesment of the folding mirror (passive tip-tilt) situation                                7618   Thu Oct 25 06:49:49 2012 Koji Update   my assesment of the folding mirror (passive tip-tilt) situation                                7617   Thu Oct 25 02:10:22 2012 Koji Update   my assesment of the folding mirror (passive tip-tilt) situation The thinner wire has a history that it did not improve the hysteresis (ask Jenne). Nevertheless, it's worth to try.      7616   Thu Oct 25 02:01:15 2012 Koji Update Computer Scripts / Programs Phase map summary of LaserOptik mirrors Previous phasemap data and analysis for the new 40m COC are summarized on the following page      7615   Wed Oct 24 22:48:46 2012 janosch Update Computer Scripts / Programs Phase map summary of LaserOptik mirrors      7614   Wed Oct 24 22:20:24 2012 Den Update Adaptive Filtering microphone noise                                7613   Wed Oct 24 20:09:41 2012 jamie Update   installing the new dirchoic mirros in PR3/SR3 When installing the dichroics we need to pay attention to the wedge angle.  I didn't, so the ghost beam is currently point      7612   Wed Oct 24 19:55:06 2012 jamie Update   my assesment of the folding mirror (passive tip-tilt) situation We removed all the folding mirrors ({P,S}R{2,3}) from the IFO and took them into the bake lab clean room.  The idea was that at      7611   Wed Oct 24 18:42:39 2012 Manasa Update Computer Scripts / Programs Phase map summary of LaserOptik mirrors                            12x    7610   Wed Oct 24 17:02:01 2012 Jenne Update Adaptive Filtering microphone noise                                7609   Wed Oct 24 15:29:52 2012 rana Update Adaptive Filtering microphone noise   We have to change the sample rate and AA filter for the mic channels before going too far with the circuit design.      7608   Wed Oct 24 14:19:01 2012 Jenne Update Alignment Phase map summary of LaserOptik mirrors                                7607   Wed Oct 24 14:15:34 2012 Ayaka Update Adaptive Filtering microphone noise Previous results I am measuring the noise level of the microphones. The circuit does not seems      7606   Wed Oct 24 11:49:07 2012 Jenne Update Alignment Game plan for the day Jamie has arranged for phase map measurements this afternoon, so I will take the 6 dichroic LaserOptik optics over to Downs at 1:15 this      7605   Wed Oct 24 09:15:12 2012 Steve Update VAC vacuum rack 24V ps was current limited                                7604   Wed Oct 24 01:02:10 2012 Koji Update SUS PITCH damping needed Wow... This is even more complicated than the original "Y" design...      7603   Tue Oct 23 18:21:21 2012 Jenne Update Alignment Power supply at OMC removed                                7602   Tue Oct 23 18:18:29 2012 Jenne Update SUS PITCH damping needed                                7601   Tue Oct 23 18:12:18 2012 Jenne Update Alignment Tip tilt wires - the truth                                7600   Tue Oct 23 17:41:20 2012 Manasa Update Alignment Power supply at OMC removed                                7599   Tue Oct 23 17:30:33 2012 jamie, nic, jenne, raji, manasa Update Alignment Initial attempts to fix IFO alignment We went into the vertex today to see about fixing the alignment.  The in-air access connector is in place, and we took heavy      7598   Tue Oct 23 17:12:30 2012 Den Update SUS PITCH damping needed  Koji and Steve pointed out that previous design  of a damping bracket was a bit complicated to manufacture. So I made      7597   Tue Oct 23 16:18:03 2012 Steve Update VAC Roughing pumps on for oil change                                7596   Tue Oct 23 10:24:42 2012 Ayaka Update Adaptive Filtering microphone noise                                7595   Tue Oct 23 09:37:33 2012 Steve Update SUS passive TT adjustment correction                                7594   Tue Oct 23 08:45:00 2012 Steve Update VAC vent day 3                                7593   Tue Oct 23 01:46:53 2012 Den Update SUS PITCH damping needed                                7592   Tue Oct 23 00:51:41 2012 Jamie Update Adaptive Filtering microphone noise                                7591   Tue Oct 23 00:41:55 2012 Jenne Update Alignment MC locked, spots centered [Jenne, Raji] We replaced the MC Refl path BS with the Y1, as usual, so that the full ~100mW      7590   Mon Oct 22 21:20:36 2012 Jenne Update PSL Beam attenuation optics in place [Jenne, Raji (before dinner)] We put the beam attenuation optics in place.  Before putting any optics      7589   Mon Oct 22 20:44:49 2012 Ayaka Update Adaptive Filtering microphone noise I will do some experiments on acoustic noise canceling during my stay. Now I am planning to cancel acoustic      7588   Mon Oct 22 11:26:12 2012 rana Update SUS PITCH damping needed   Too bad - I thought it would at least give a little damping. Since we want the      7587   Mon Oct 22 09:10:07 2012 Steve Update VAC @750Torr                                7586   Sat Oct 20 20:37:55 2012 Den Update SUS PITCH damping needed                                7585   Sat Oct 20 01:23:56 2012 Den Update SUS PITCH damping needed                                7584   Fri Oct 19 19:26:42 2012 Jenne Update VAC vent has started                                7583   Fri Oct 19 18:30:07 2012 Den Update SUS PITCH damping needed                                7582   Fri Oct 19 16:45:39 2012 Steve Update VAC vent has started                                7581   Fri Oct 19 16:24:39 2012 rana Update Locking Alignment is really bad??    VENT      7580   Fri Oct 19 12:45:12 2012 Den Update CDS c1lsc is up after reboot        7579   Fri Oct 19 01:21:42 2012 Evan Update Locking Aligning PZTs, PRM [Evan, Jenne] Tonight we made an attempt at getting the PRM + ITMY aligned with correct input      7578   Fri Oct 19 01:11:18 2012 Jenne Update IOO MCL, WFS triggers                                7577   Fri Oct 19 00:55:35 2012 Jenne Update Computers c1lsc is down (at least all of the models) When Evan and I were dithering the BS and ITMY (see his elog), I noticed that c1lsc was acting weird.  the IOP was the only      7576   Thu Oct 18 15:36:57 2012 Steve Update Cameras Watec cameras & Tamron lenses I purchased 3x  1/2" ccd cameras and 3x  F  50 mm lenses for the lab.      7575   Thu Oct 18 12:02:32 2012 Den Update IOO MCL, WFS triggers                                7574   Thu Oct 18 08:00:40 2012 jamie Update Computers Re: Lots of new White :(                                7573   Thu Oct 18 03:57:20 2012 Jenne Update Locking Alignment is really bad?? The goal of the night was to lock the Y arm.  (Since that didn't happen, I moved on to fixing the WFS since they were hurting      7572   Thu Oct 18 03:45:56 2012 Jenne Update IOO MCL, WFS triggers                                7571   Thu Oct 18 02:42:38 2012 Den Update SUS PITCH damping needed                            7x

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