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ID Date Author Type Categoryup Subject Text Attachments
  12056   Wed Mar 30 17:38:52 2016 gautamUpdateendtable upgradeX end table proposed layout Attachment 1: This
is a photo of the current X end table optical
layout with the beampaths of the various
 ETMX_3x2.JPGlayout_details_20160328.pdfETMX_proposed_layout.pdf 
  12057   Thu Mar 31 09:38:41 2016 SteveUpdateendtable upgradeY end 4x3 existing layoutBeam colors: 1064 nm red, 514 nm green
and 633 nm yellow.

There should be room for lens in
 ETMY4x3layout.jpg 
  12058   Thu Mar 31 19:49:31 2016 gautamUpdateendtable upgradeproposed layout v2The major changes from the previous layout:


I've depicted the Green
reflected beam path more accurately - I approximately measured
 ETMX_proposed_layout_v2.pdf 
  12060   Mon Apr 4 10:59:12 2016 gautamUpdateendtable upgradeproposed layout v3I realized I had overlooked an important
constraint in the layout, which is that the
enclosure will have two supports that occupy
 ETMX_proposed_layout_v3.pdfIR_modematch.pdfGreen_modematch.pdfXendALaMode.zipETMX_proposed_layout_dimensions.dwg 
  12061   Mon Apr 4 15:04:14 2016 gautamUpdateendtable upgradeCOMPONENT REMOVAL
I'm
planning to start removing components from
  
  12063   Tue Apr 5 11:42:17 2016 gaericqutamUpdateendtable upgradeTABLE REMOVALThere is currently no table at
the X end! 

We have moved the vast majority
  
  12065   Wed Apr 6 17:52:21 2016 gautamUpdateendtable upgradeFirst contact cleaning commencedI've begun cleaning the optics that
will eventually go back onto the newly installed
X-endtable. We decided that First Contact
  
  12066   Thu Apr 7 12:51:24 2016 gautamUpdateendtable upgradeBeam height differencesSteve has finished installing the enclosure
on the new endtable. So Eric and I decided
to try and lock the X arm and measure the
  
  12067   Thu Apr 7 14:30:58 2016 SteveUpdateendtable upgradeETMX table height 




 ETMXbrs.pngETMX.jpgIMG_0618.JPGETMX.jpgETMXwc.jpg 
  12068   Fri Apr 8 09:13:20 2016 SteveUpdateendtable upgradeETMX-T beam heightX arm resonating after alignment, beam
height on ETMX optical table ~4.75"

 
 ETMXalignedT.pngETMXF.jpg 
  12073   Wed Apr 13 00:56:07 2016 gautamUpdateendtable upgradeX endtable repopulationOver the last couple of days, I've
been working on restoring the optical layout
on the X-endtable. Some notes about the status
  
  12074   Wed Apr 13 11:00:28 2016 SteveUpdateendtable upgradeX endtable repopulationETMX optical table is grounded to ETMX
chamber through 1 Mohms

The doubling oven temp controller
  
  12075   Wed Apr 13 18:25:07 2016 gautamUpdateendtable upgradeLightwave health check[Koji,gautam]

Lightwave NPRO information:

Model: 126-1064-700
  
  12079   Fri Apr 15 18:38:12 2016 gautamUpdateendtable upgradeLightwave health check - NO IMPROVEMENTI re-measured the power levels today.

We have ~205mW out of the NPRO,
and ~190mW after the Faraday. It doesn't
  
  12083   Tue Apr 19 18:37:29 2016 gautamUpdateendtable upgradeLaser swap + optical layoutSummary of work done over the last
two days


Lightwave NPRO
 IR_modematch_19April2016_2.pdf 
  12085   Thu Apr 21 14:25:52 2016 gautamUpdateendtable upgradeGreen light recoveredI've made progress on the new layout
up to the doubling oven. After doing the
coarse alignment with the diode current to
 IMG_6567.JPGIMG_6568.JPGCVI_reflectivity.jpeg 
  12089   Tue Apr 26 15:22:35 2016 SteveUpdateendtable upgradeCleaning ETMX vacuum dirty windowGautom is progressing with the layout nicely.
The X-arm transmission window have not seen
cleaning for decades. This should be the
 ETMX-Tvp.jpgETMX-TvpDetail.jpg 
  12090   Tue Apr 26 23:19:42 2016 gautamUpdateendtable upgradeGreen aligned to arm - high order mode flashes seenAttachment #1

Layout as of today. Most of the
green path is done. The Green REFL PD + PZT
 IMG_2219.JPGIMG_2220.JPG 
  12094   Wed Apr 27 15:04:47 2016 SteveUpdateendtable upgradeCleaning ETMX vacuum dirty windowIt looks very promising.

 
 1cETMX-Tcmp.jpg 
  12095   Thu Apr 28 00:41:08 2016 gautamUpdateendtable upgrademore progress - Transmon PD installedThe IR Transmon system is almost completely
laid out, only the QPD remains to be installed.
Some notes:
  
  12099   Fri Apr 29 00:55:46 2016 gautamUpdateendtable upgradegreen PDH locked to XarmUsing the modulation frequency suggested
here,
I hooked up the PDH setup at the X-end and
  
  12100   Fri Apr 29 16:05:23 2016 gautamUpdateendtable upgradeCleaning ETMX vacuum dirty windowAfter a second round of F.C. application,
I think the window is clean enough and there
are no residual F.C. pieces anywhere near
 IMG_0755.JPG 
  12104   Mon May 2 19:14:18 2016 gautamUpdateendtable upgradeOptical layout almost completeWith Steve's help, I installed the
Oplev earlier today. I adjusted the positions
of the two lenses until I deemed the spot
 ETMX_wedge.pdf 
  12105   Thu May 5 03:05:37 2016 gautamUpdateendtable upgradeALS status update[ericQ, gautam]

Today we spent some time looking
into the PDH situation at the X end. A summary
 ALS_noiseSpec_5May2016_2.pdfCoherence_5May2016.pdfimage.jpeg 
  12108   Thu May 5 14:05:01 2016 ranaUpdateendtable upgradeALS status updateAll seems very fishy. Its not good to put
attenuators and filters in nilly-willy.


Once the post-PD bandpass
  
  12109   Thu May 5 21:28:44 2016 gautamUpdateendtable upgradeInnolight PZT capacitanceI suggested
in an earlier elog that after the repair
  
  12122   Thu May 19 16:29:20 2016 SteveUpdateendtable upgradeOptical layout almost complete 

 
 ETMX_4x3_closed.jpgsealedETMXenclosure.jpg 
  12526   Fri Sep 30 19:53:07 2016 gautamUpdateendtable upgradeX end IR pickoff fiber coupled[johannes, gautam]

Today we re-installed the fiber
coupler on the X-endtable to couple some
  
  12532   Wed Oct 5 16:28:10 2016 gautamUpdateendtable upgradeEX laser power monitor PD installedI installed a 10% BS to pick off some of
the light going to the IR fiber, and have
added a Thorlabs PDA55 PD to the EX table
  
  438   Tue Apr 22 22:19:02 2008 robMetaphysicslorejiggling sliders
In the interests of tacit communication of
scientific knowledge, I here reveal a nugget
  
  1104   Sun Nov 2 20:21:58 2008 ranaConfigurationloreHP 5550dtn (Grazia) set up on allegraI set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I
  
  1217   Thu Jan 8 16:49:37 2009 ranaConfigurationloreHP 5550dtn (Grazia) set up on allegra[quote]I set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I
  
  1579   Wed May 13 02:53:12 2009 robSummaryloreChannel Hopping: That ancient enemy (MC problems)We were stymied tonight by a problem which
began late this afternoon.  The MC would
periodically go angularly unstable, breaking
  
  1582   Wed May 13 14:43:29 2009 robSummaryloreChannel Hopping: That ancient enemy (MC problems)


   
        
            
 MC3sidemon.png 
  2138   Fri Oct 23 15:02:00 2009 robUpdateloremarconi phaseSo, it appears that one doesn't even have
to change the Marconi set frequency to alter
the phase of the output signal.  It
  
  2139   Sat Oct 24 04:57:33 2009 ranaUpdateloremarconi phase


   
        
            
  
  2414   Mon Dec 14 15:18:18 2009 JenneUpdatelorearmLoss script ran....results confidentialI ran the armLoss script for both Xarm
and Yarm.  The results are confidential,
pending the completion of Alberto's cavity
  
  2566   Wed Feb 3 09:01:42 2010 robUpdateloreIFO isn't playing nice tonight


   
        
            
  
  2598   Fri Feb 12 14:19:28 2010 rana, steveHowToloreInternational FaxSteve showed me how to send an international
fax today:

    Load paper.
   
  
  3660   Wed Oct 6 14:49:54 2010 ranaSummaryloreSteve on the sea   jacques.jpg 
  4960   Mon Jul 11 14:03:37 2011 steveHowTolorehow to visit your old labAlberto is visiting us from Australia.
He brought some terrific presents. It is
going to be very demanding task to wait for
 P1080069.JPG 
  6694   Sun May 27 17:19:27 2012 ranaSummaryloreStrawberries We have placed some sweet giant strawberries
in the fridge; free for eating for anyone
working in the lab today or tomorrow:
 20120527_145826.jpg 
  8887   Mon Jul 22 03:10:41 2013 ranaSummaryloreAngel of the Y End Table? Trying to take an image or movie
of the ETMY Transmon cam, we got instead
this attached image.
 asdasd.jpg 
  8888   Mon Jul 22 06:58:17 2013 LisaSummaryloreAngel of the Y End Table?

    

       
            
 image.jpg 
  9966   Fri May 16 20:55:18 2014 JamieFrogsloreun-full-screening Ubuntu windows with F11Last week Rana and I struggled to figure
out how to un-full-screen windows on the
Ubuntu workstations that appeared to be stuck
  
  12915   Wed Mar 29 09:24:28 2017 SteveUpdateloresummery pagesThe summery pages are working at a slow
motion speed. It's response time 12 minutes.
  
  1020   Thu Oct 2 16:44:28 2008 steveSummaryoplevsoptical leversThe idea is to push the  UGF to 10 Hz of the
TM oplev servos with quiet HeNe laser.
We measured good intensity noise of JDS 1103P
  
  1245   Thu Jan 22 12:08:59 2009 peteUpdateoplevsoplev calibrationFollowing the procedure described in Royal
Reinecke's 2006 SURF report, I've calibrated
the ETMY yaw oplev DOF.  The idea is to sweep
  
  1247   Thu Jan 22 23:36:50 2009 peteHowTooplevsarm cavity oplev calibrationcalibrated the y-arm oplevs.  the procedure
is contained in a matlab script.  the whereabouts
of this script will be revealed in a future
 ETMYpitpower.pngETMYpitcal.png 
  1249   Fri Jan 23 12:48:12 2009 KakeruUpdateoplevsarm cavity oplev calibrationI calibrated optlevs of x and y arm cavity,
indipendently from Peter's work.
 ITMX_pitch.png 
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