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ID Date Author Type Category Subject Text   3762   Fri Oct 22 16:59:21 2010 Jenne Update Electronics Epic Takeover As the suspension work winds down (we'll be completely done once the ETMs arrive, are suspended, and then are placed in the      3777   Mon Oct 25 11:39:06 2010 Jenne Update SUS Magnets glued to PRM This morning I glued the magnets to the PRM.  Now we wait, and tomorrow afternoon (at the earliest), Suresh and I can balance the      3786   Tue Oct 26 15:57:10 2010 Jenne Update SUS One magnet broken, reglued [Jenne, Suresh, Thanh (Bram's Grad Student)] When we removed the grippers from the magnets on the PRM, one of the face magnets      3789   Tue Oct 26 21:27:02 2010 Jenne Update CDS fixed OPLEV stuff and MCL filters Since MC2_TRANS is, in fact, MC2 Transmission, and not an oplev at all (it's not red, and it's not a lever, although it does use a      3790   Tue Oct 26 22:57:37 2010 Jenne Configuration Computers Why doesn't DTT work?!? DTT has only SUS and "X02" channels under C1 in the drop down channel selection menu.  Basically, we can't measure any      3824   Fri Oct 29 14:16:26 2010 Jenne Update SUS PRM baking [Suresh, Jenne] We took a look-see at the PRM after the gluing from last night.  The balance      3826   Fri Oct 29 16:39:01 2010 Jenne Update Treasure Old Green suspension towers disassembled [Jenne, Joonho] At Koji's request, we disassembled 2 of the old Green suspension towers that      3840   Mon Nov 1 17:27:47 2010 Jenne Update SUS PRM ready for installation into chamber [Jenne, Suresh] Over the weekend, Bob and Daphen gave the PRM a 48hr. vacuum bake.  This      3848   Tue Nov 2 16:49:02 2010 Jenne Configuration Cameras Cabling on the PSL table Dear whomever setup the camera on the SW corner of the PSL table, It would be handy if, even for temporary      3871   Fri Nov 5 19:33:18 2010 Jenne Update Electronics The beginnings of the new phase of the RF work Joon Ho and I took a look at the RF stuff that Alberto left, and we determined that we've got most everything that we need.       3889   Thu Nov 11 01:34:27 2010 Jenne Update SUS New-Old ETM towers assembled [Suresh, Jenne] We have put together the new-old ETM towers.  These are the ones which      3917   Sun Nov 14 16:40:46 2010 Jenne Update Treasure Activities related to OSEM measurement [Valera, Jenne] We pondered the idea of clamping the PRM optic to measure the OSEM noise.       3925   Mon Nov 15 16:09:44 2010 Jenne Update VAC ETMX, ETMY, ITMY chambers opened [Steve, Jenne, Suresh, Koji] The remaining test mass chambers have been opened, and have light doors in      3942   Wed Nov 17 23:45:20 2010 Jenne Update SUS A bad day for suspensions [Jenne, Suresh] Today has been a downright miserable day in the world of suspension work. Thumbs      3956   Fri Nov 19 16:13:09 2010 Jenne Update SUS ETMU05: magnets glued to optic [Jenne, Suresh] Suresh and I glued the intact-from-the-first-round      3966   Mon Nov 22 18:39:53 2010 Jenne Update SUS ETMU07: magnets glued to optic. ETMU05: magnets removed [Suresh, Jenne] A      3977   Tue Nov 23 14:52:28 2010 Jenne Update PEM PEM Model Started Joe showed me what was what with adding DAQ channels, and I have begun building a simulink      3979   Tue Nov 23 18:08:28 2010 Jenne Update SUS ETMU07: Balanced, standoff glued. ETMU05: Magnets glued to optic [Koji, Jenne] ETMU07 had its wire winched to the correct height, was balanced, standoff glued.       3984   Wed Nov 24 17:57:24 2010 Jenne Update SUS ETMU07: Baking. ETMU05: Needs side magnets reglued [Jenne, Koji] We removed ETMU07 from the suspension tower, after confirming that the balance      3985   Wed Nov 24 18:11:26 2010 Jenne Update PEM Some progress on getting PEM channels I have made a little bit of progress on the PEM channels.  I have begun writing up detailed instructions in the      4000   Tue Nov 30 18:15:52 2010 Jenne Update SUS ETMX ready to be installed. ETMY ready for winching [Jenne, Kiwamu] We put ETMX back in its tower, and confirmed its balance.  It might be      4018   Mon Dec 6 23:33:15 2010 Jenne Update SUS ETMU05 winched, balanced, glued!!!!!! [Suresh, Jenne]      4034   Thu Dec 9 01:54:15 2010 Jenne Update Electronics Some Refl 11 fixes The Backstory: Kevin was working on characterizing      4043   Fri Dec 10 12:55:27 2010 Jenne Update Computers Backup should be running successfully now [Joe, Jenne] The nightly backup of the frames and the /cvs/cds directories is back up and      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,       4061   Wed Dec 15 18:29:59 2010 Jenne Update PEM Seismometer Channels Being Recorded Again The Seismometer channels are once more being recorded.  Alastair brought Gur1 back from the ATF the other day, and today      4078   Mon Dec 20 22:56:20 2010 Jenne Update IOO Plan for closing the vacuum chambers Tuesday      If still everythig is fine, put the BS heavy door. -      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.       4103   Tue Jan 4 02:58:53 2011 Jenne Update IOO Power into Mode Cleaner increased What was the point: I twiddled with several different      4107   Tue Jan 4 18:37:18 2011 Jenne Update IOO MCWFS aligned I undid Yuta's temporary setup, and put beam back on both      4116   Wed Jan 5 23:22:00 2011 Jenne Update Cameras Aligned the Xarm, no big deal [Kiwamu, Jenne] We successfully aligned the X arm.  No big deal.  Nothing to       4118   Wed Jan 5 23:45:33 2011 Jenne Update Cameras Aligned the Xarm, no big deal Correct.  We can see the flashes clearly on our new ETM camera, but we see absolutely nothing on the ITM.      4120   Thu Jan 6 00:06:01 2011 Jenne Update IOO Magical absorbing PZT mirror [Kiwamu, Jenne] We have a measely 465mW going into      4123   Fri Jan 7 00:49:16 2011 Jenne Update Green Locking Recovered Xarm Green Lock, Preparation for Beat Note Measurement [Kiwamu, Jenne] We went this evening in search of a beat note signal between the Xarm transmitted      4138   Tue Jan 11 18:41:43 2011 Jenne Update IOO Put MC PZT offset onto MC board, instead of on awkward cart [Larisa and Jenne] We wanted to get rid of the awkward cart that was sitting behind the 1Y1 rack.       4148   Thu Jan 13 03:00:01 2011 Jenne Update IOO WFS shenanigans My goal this afternoon was to      4222   Fri Jan 28 13:07:31 2011 Jenne Update IOO Beam is back on the WFS The MC WFS have had beam dumps in front of them for the past ~2 weeks, until I could find the appropriate optic to put in the      4223   Fri Jan 28 15:50:44 2011 Jenne Configuration PSL The PSL has a name! Back in the days when we were talking about getting a new 2W PSL, I was given naming rights by Rana for this new laser.       4224   Fri Jan 28 18:19:21 2011 Jenne Update IOO WFS2 has some kind of oil on it Mystery solved! I removed WFS2 from the AP table (after placing markers so I can put it back      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,      4263   Tue Feb 8 16:44:43 2011 Jenne Update Computers LIGO Grid Cluster client upgraded on Rossa I did a yum-install of the latest ldg-client (to get onto the LIGO Clusters) on Rossa.  I followed the instructions on the      4267   Thu Feb 10 00:23:25 2011 Jenne Update Green Locking Green TRX DC PD installed on PSL Using a stray beam that is generated as the transmitted green beam from the Xarm goes through the viewport to the PSL table,      4289   Mon Feb 14 15:59:49 2011 Jenne Update IOO WFS quantum efficiency as a function of angle [Larisa and Jenne] A few weeks ago (on the 28th of January) I had tried to measure the quantum efficiency      4298   Tue Feb 15 11:43:53 2011 Jenne Update Computers Occasional error with NDS2 Just in case anyone has encountered this / knows how to fix it.... I'm running NDS2 on Rossa, trying      4303   Tue Feb 15 17:48:22 2011 Jenne Update IOO Mode Cleaner resonating again [Valera, Jenne] After Steve and Valera switched out the PMC, the Mode Cleaner resonance needed      4305   Wed Feb 16 01:03:59 2011 Jenne Update IOO MC alignment work So.... Kiwamu and I were concerned (still a little concerned) that ETMY is not damping as nicely as it should be.  (It's fine,      4316   Thu Feb 17 14:52:27 2011 Jenne Update IOO MC alignment work I worked a little bit more on optimizing the mode matching to the MC, but it's still not great.  I've only gotten a visibility      4348   Thu Feb 24 10:56:04 2011 Jenne Update WienerFiltering One month of H1 S5 data is now on Rossa Just in case anyone else wants to access it, we now have 30 days of H1 S5 DARM data sitting on Rossa's harddrive.  It's      4423   Tue Mar 22 00:23:20 2011 Jenne Configuration Green Locking PSL vs Y arm laser temperature pairing                                4452   Mon Mar 28 21:12:14 2011 Jenne Update PSL New PMC Base Riser Design I (think) I have finished the new PMC base riser.  The eDrawing of it (so you can view it on any computer) has been uploaded

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