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ID Date Author Type Category Subject Text   3001   Thu May 27 12:52:02 2010 Alberto Update 40m Upgrading Arm lengths For both sidebands to be antiresonant in the arms, the first modulation frequency      3004   Fri May 28 07:13:05 2010 Alberto Frogs Green Locking SR785 found abandoned next to the workbenches A poor lonely SR785 was found this morning roaming around in the lab in evident violation of  the fundamental rule which requires all      3012   Fri May 28 21:32:32 2010 Alberto Update 40m Upgrading MC alignment [Alberto, Kiwamu, Kevin, Rana] Today we tried to measured the beam shape after the MC MMT1 that Jenne installed      3015   Sun May 30 15:33:21 2010 Alberto Configuration IOO mode cleaner and air conditioning The mode cleaner is locked and the air conditioning is full on. So the the air conditioning doesn't seem to be so important for the lock      3016   Sun May 30 15:36:22 2010 Alberto Configuration PSL IMC periscope shutter Two days ago I opened the PSL shutter by switching the switch on the shutter driver. That caused the shutter's switch on the medm      3026   Tue Jun 1 16:29:51 2010 Alberto Update IOO MC transmitted beam aligned to the Faraday; next things to do We moved the MC-trans pick-off mirror (= the beam splitter between the input of the Faraday and the steering mirror located right      3053   Mon Jun 7 07:39:38 2010 Alberto Omnistructure Electronics Capacitor Bridge Test                                3062   Thu Jun 10 07:53:14 2010 Alberto Update PEM LaTeXlabs                                3064   Thu Jun 10 11:10:21 2010 Alberto Update General LaTeXlabs                                3072   Sat Jun 12 19:41:04 2010 Alberto Update Locking 40m Upgrade Optickle Model I wrote down the settings according to which I tuned the optickle model of the 40m Upgrade.      3073   Sat Jun 12 19:43:19 2010 Alberto Update WIKI-40M Update IFO modeling Wiki Page updated Today I started writing the IFO modeling wiki page. The idea is to make it a reference      3083   Wed Jun 16 18:44:07 2010 Alberto Configuration Computers 40MARS                                3084   Thu Jun 17 17:09:44 2010 Alberto Update LSC Short Cavity Length Adjustments I calculated the phase shifts that the sidebands would pick up in the arms in the case we changed the arm length to 38.4m as      3087   Fri Jun 18 15:07:26 2010 Alberto Update LSC Short Cavity Length Adjustments                                3089   Fri Jun 18 22:12:29 2010 Alberto Update IOO Mode Profile after Mode Matching Telescope (Round 2) GJ      3170   Wed Jul 7 17:18:57 2010 Alberto Configuration Electronics Stochmon and LSC AM Stabilizer Decomissioned Today I disconnected and removed the Stochmon box from the 1Y2 rack. I also removed the amplifiers that were sitting      3227   Thu Jul 15 12:21:08 2010 Alberto Configuration LSC PRC and SRC length adjustements Lately I've been trying to calculate the corrections to the recycling cavity lengths that would compensate for the phase that  8x    3229   Thu Jul 15 16:16:51 2010 Alberto Configuration LSC PRC and SRC length adjustements                                3239   Fri Jul 16 16:12:31 2010 Alberto Configuration Computers c1susvme1/2 rebooted Today I noticed that the FE SYNC counters of c1susvme1/2 on the RFM network screen were stuck at 16384. I tried to reboot the      3265   Thu Jul 22 07:19:56 2010 Alberto Update Treasure Monsters, LNVR, and Phase noise                                3269   Thu Jul 22 15:59:29 2010 Alberto Update PSL PSL front end machine                                3270   Thu Jul 22 18:18:54 2010 Alberto Update PSL Problem Solved                                3285   Sat Jul 24 14:03:19 2010 Alberto Update Electronics FSS Oscilaltor Phase Noise Measurement [Rana, Alberto] Today we measured the phase noise of the oscillator used for the FSS.      3287   Sun Jul 25 18:47:23 2010 Alberto Update SVN Optickle 40mUpgrade model updated to include short cavity length corrections I uploaded an updated optickle model of the upgrade to the SVN directory with the optickle models (here).      3326   Thu Jul 29 22:08:32 2010 Alberto Update SUS More optics installed on the BS table [Koji, Steve, Kiwamu, Alberto] - This afternoon we installed a few new optics on the BS table: GR_PBS,      3429   Tue Aug 17 09:06:08 2010 Alberto Update elog elog was down I just restarted the elog after I found it down a few minutes ago.      3450   Fri Aug 20 16:41:43 2010 Alberto Update Electronics Frequency Generation Box Assembly Completed I finished assembling the frequency generation unit for the upgrade. I tested it through to check that the power levels are as expected  7x    3499   Tue Aug 31 17:58:38 2010 Alberto Update Electronics FSS Frequency Generation Box - Phase Noise A few weeks ago, on Jul 24, Rana and I measured the phase noise of the FSS frequency box (aka the 'Kalmus Box'). See elog entry      3501   Wed Sep 1 07:52:27 2010 Alberto Configuration Electronics PMC board unplugged, turned on Sorensen switches on 1Y1 rack Today I put the FSS frequency box back into the 1Y1 rack. To power it on, I turned on the 24V      3504   Wed Sep 1 08:40:28 2010 Alberto Configuration Electronics PMC board unplugged, turned on Sorensen switches on 1Y1 rack                                3506   Wed Sep 1 11:34:39 2010 Alberto Update Electronics FSS Box Phase Noise from DAQ I measured the phase noise of the LO output of the FSS box from the DAQ. I'm attaching the results.      3509   Wed Sep 1 16:29:28 2010 Alberto Update Electronics FSS Box Phase Noise from DAQ - Measurement setup modified                                3520   Fri Sep 3 11:03:41 2010 Alberto Frogs Electronics Cable cutting tools I found this very interesting German maker of cool cable cutting tools. It's called Jokari.      3526   Mon Sep 6 10:08:10 2010 Alberto Configuration Computers Netgear Network Switch fan broken. The Netgear Network Switch in the top shelf of Nodus' rack has a broken fan. It is the one interfaced to the Martian network.      3529   Mon Sep 6 22:09:11 2010 Alberto Update Electronics RF Frequency Generation Box heat sink installed and tested Last week I noticed that the high power amplifiers in the Frequency Generation Box became hot after 2 hours of continuous operation      3530   Tue Sep 7 08:56:00 2010 Alberto Update Electronics Frequency Generation Box Assembly - Phase Noise Measurements Here are the results of my phase noise measurements on the 7 outputs of the Frequency Generation Box. (BIN=95L applied by DTT).      3532   Tue Sep 7 13:31:49 2010 Alberto Update Electronics RF System - Frequency Distribution Box - Priority Plan We need a distribution unit in the LSC rack to: 1) collect the demod signals coming from the Frequency Generation Box 2) adjust      3535   Tue Sep 7 15:57:07 2010 Alberto Configuration Computers Nodus connection not working. Fixed [Joe, Alberto] The Nodus connection to the Martian network stopped working after someone switched      3537   Tue Sep 7 22:21:17 2010 Alberto Configuration Computers elog restarted        3552   Thu Sep 9 12:02:03 2010 Alberto Update Electronics Frequency Generation Box - Amplitude Noise Measurements I measured the amplitude noise of the source outputs and the EOM outputs of the Frequency Generation box.      3555   Thu Sep 9 18:53:56 2010 Alberto Configuration Electronics Busby Box, Rai's Box, SR554 in the RF cabinet I stored the Busby Box, the Rai's Box and the SR554 preamp in the RF cabinet down the Y arm.      3565   Mon Sep 13 11:40:50 2010 Alberto Update Electronics Frequency Box Documentation Added to the SVN I uploaded all the material about the RF frequency Generation Box  into the SVN under the path:      3572   Tue Sep 14 18:07:41 2010 Alberto Update Electronics Frequency Box Documentation Added to the SVN I completed a LIGO document describing design, construction and characterization of the RF System for the 40m upgrade.      3764   Fri Oct 22 18:22:27 2010 Alberto Update Electronics Epic Takeover                                3783   Tue Oct 26 07:02:05 2010 Alberto Configuration elog ELOG 2.8.0 -> ELOG 2.7.5                                3893   Thu Nov 11 07:26:03 2010 Alberto Update Electronics REFL11 Photodiode Not Working                                8342   Mon Mar 25 18:58:09 2013 Albert Yang Update optical tables Optical Table Toolboxes For those of you who spend annoying amounts of time looking for tools, fear no more. Toolboxes for each optical table are coming!      8382   Mon Apr 1 16:16:16 2013 Albert Update optical tables Optical Table Toolboxes Update A heavy duty plastic box is the likeliest candidate for the optical table toolbox. It measures 5 9/16 in. x 11 5/8 in. x 4 5/8      8384   Mon Apr 1 16:35:42 2013 Albert Update optical tables Optical Table Toolboxes Update                                8408   Wed Apr 3 19:01:06 2013 Albert Update optical tables Optical Table Toolboxes Update

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