40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 268 of 341  Not logged in ELOG logo
ID Date Author Type Category Subject Text Attachments
  3689   Mon Oct 11 16:09:10 2010 yutaSummarySUScurrent OSEM outputsBackground:
 The output range of the OSEM
is 0-2V.
  
  3688   Mon Oct 11 10:51:36 2010 steveUpdateSUSOSEMs, OSEMs, OSEMs...those lovely little OSEMs   40dll.jpg 
  3687   Mon Oct 11 10:49:03 2010 josephbUpdateCDSc1sus stabilityTaking a look at the c1sus machine, it
looks as if all of the front end codes its
running (c1sus - running BS, ITMX, ITMY,
  
  3686   Sun Oct 10 18:28:25 2010 kiwamuSummarySUSITMX OSEM offsetsBecause of the in-vac work on Oct. 4th
(see this
entry) , ITMX's OSEM offsets were
 OSEM.png 
  3685   Sun Oct 10 18:09:02 2010 KojiSummaryCOCPhase map interferometer calibration for the data on Oct 8th, 2010 Summary:
Calibration
of the phase map interferometer was calculated
for the data on Oct 8th, 2010.
 calibration.pdf 
  3684   Sun Oct 10 16:59:20 2010 KojiOmnistructureCOCPRM phase map measurement at Downs SB 014[Kiwamu, Yuta, Koji]
We went to the new metrology lab
at Downs subbasement (Rm014) in order to
 IMG_3646.jpgIMG_3647.jpg 
  3683   Sun Oct 10 16:44:59 2010 KojiOmnistructurePhotosKepco Tube HV supply   IMG_3637.jpgIMG_3640.jpg 
  3682   Fri Oct 8 17:36:16 2010 steveFrogsPhotosvisiting undergradsProf Alan Weistein guided the 24 student
through the 40m. His performance was rated
as  an enthusiastic 9.5
 P1060916.JPGP1060921.JPGP1060922.JPGP1060915.JPG 
  3681   Fri Oct 8 17:35:24 2010 josephbUpdateCDSstatus of c1ioo, c1sus and rfmRFM is still not working. 
I can see data on a filter just before it
reaches the RFM sending code, but I see only
  
  3680   Fri Oct 8 15:57:32 2010 josephbUpdateCDSc1ioo statusI've been trying to figure out why the
c1ioo machine crashes when I try to run the
c1ioo front end.
  
  3679   Fri Oct 8 12:29:21 2010 KevinUpdateComputersNew Netgear SwitchI removed some old equipment from the rack
outside the control room and stacked them
next to the filing cabinets in the control
  
  3678   Fri Oct 8 12:21:11 2010 josephbUpdateCDSchecking MC1 suspension damping Upon investigation, it appears that the
c1mcs model was (and still is) timing out
after a random amount of time.  Or in other
  
  3677   Fri Oct 8 10:38:03 2010 steveConfigurationSAFETY2W laser shutter is closed


   
        
            
 P1060905.JPGP1060910.JPG 
  3676   Fri Oct 8 07:41:42 2010 steveConfigurationSAFETY2W laser shutter is closedThe 2 W Innolight shutter is closed and
enclosure door removed. Beam path blocked.
Do not change this condition.
  
  3675   Thu Oct 7 23:24:44 2010 yutaUpdateCDSchecking MC1 suspension dampingBackground:
 The new CDS is currently being
set up.
  
  3674   Thu Oct 7 17:53:07 2010 yutaUpdateComputersFarfalla with Firefox, fixed(Kiwamu, Yuta)

Symptom:
  
  3673   Thu Oct 7 17:19:55 2010 josephb, alex, rolfUpdateCDSc1sus statusAs noted by Koji, Alex and Rolf stopped
by.
We discussed the feasibility of getting
  
  3672   Thu Oct 7 16:34:06 2010 yutaUpdatePSLmeasured PMC's laser power-output relationResult2:
 Attached is the visibility vs
incident power(assuming output of the PD
 PMCvis.png 
  3671   Thu Oct 7 16:21:02 2010 KojiOmnistructureCDSBig 3Both Rolf and Alex (at least his elbow)
together visited the 40m to talk with Joe
for the CDS.
 IMG_3642.jpg 
  3670   Thu Oct 7 15:21:51 2010 steveUpdatePSLRF filter for PMCWe got two small RF filter for the PMC
from Valera  They are made by http://www.larkengineering.com/  
"MC35.5-3-AB" sma, 29300-01
 35.5MHZ.pdf 
  3669   Thu Oct 7 15:05:46 2010 KojiUpdatePSLmeasured PMC's laser power-output relationIt was a bit difficult to comprehend the
result.
Is it good? or bad? Have you seen
  
  3668   Thu Oct 7 14:57:52 2010 josephb, yutaUpdateCDSc1sus statusAround noon, Yuta and I were trying to
figure out why we were getting no signal
out to the mode cleaner coils.  It turns
  
  3667   Thu Oct 7 14:39:50 2010 yutaUpdatePSLmeasured PMC's laser power-output relation(Rana, Yuta)

Motivation:
 PMCreflect.png 
  3666   Thu Oct 7 10:48:41 2010 josephb, yutaUpdateCDSc1sus statusThis
problem has been resolved.
Apparently during one of Alex's debugging
  
  3665   Thu Oct 7 10:37:42 2010 josephbUpdateCDSc1sus with flaky sshCurrently trying to understand why the
ssh connections to c1sus  are flaky. 
This morning, every time I tried to make
  
  3664   Thu Oct 7 08:39:39 2010 steveBureaucracySAFETYJoonho receives safety trainingOur new undergrad Joonho Lee received 40m
specific basic safety training yesterday.
Yuta and Joonho are scheduled to
  
  3663   Wed Oct 6 22:46:36 2010 kiwamuUpdateGreen LockingSHG at PSL table I
put some optics to get the green SHG on the
  
  3662   Wed Oct 6 16:16:48 2010 josephb, yutaUpdateCDSc1sus statusAt the moment, c1sus and c1mcs on the c1sus
machine seem to be dead in the water. 
At this point, it is unclear to me why.
  
  3661   Wed Oct 6 15:56:14 2010 josephbHowToCDSHow to load matrices quickly and easilyAwhile ago I wrote several scripts for
reading in medm screen matrix settings and
then writing them out.  It was meant
  
  3660   Wed Oct 6 14:49:54 2010 ranaSummaryloreSteve on the sea   jacques.jpg 
  3659   Wed Oct 6 12:00:23 2010 josephb, yuta, kiwamuUpdateCDSFound and fixed filter sampling rate problem with suspensionsWhile we looking using dtt and going over
the basics of its operation, we discovered
that the filter sample rates for the suspensions
  
  3658   Wed Oct 6 11:03:51 2010 josephb, yutaHowToCDSHow to start diaggui for right nowI'm hoping to get a proper install this
week done, but for now, this a stop gap.
To start diagnostic test tools, go
  
  3657   Wed Oct 6 00:32:01 2010 ranaSummaryDAQNDS2This is the link to the NDS2 webpage:
https://www.lsc-group.phys.uwm.edu/daswg/wiki/NetworkDataServer2
We should install this so that we
  
  3656   Tue Oct 5 21:22:46 2010 yutaUpdateVACgreen beam reached PSL tableY  IMG_3627.jpg 
  3655   Tue Oct 5 18:27:18 2010 Joonho LeeSummaryElectronicsCCD cable's impedenceToday
I checked the CCD cables which is connected
to the VIDEOMUX.
  
  3654   Tue Oct 5 17:39:21 2010 steveConfigurationVACwest access connector removedKiwamu, Koji, Yutah, Rana, Jan and Steve
We removed the west access connector
this afternoon.
  
  3653   Tue Oct 5 16:58:41 2010 josephb, yutaUpdateCDSc1sus front end statusWe moved the filters for the mode cleaner
optics over from the C1SUS.txt file in /opt/rtcds/caltech/c1/chans/
to the C1MCS.txt file, and placed SUS_ on
  
  3652   Tue Oct 5 16:30:00 2010 josephb, yutaHowToCDSScreen settings and medm screens for new systemYou can find the sitemap medm screen in
/opt/rtcds/caltech/c1/medm/master
The settings for the screens were
  
  3651   Tue Oct 5 14:11:09 2010 josephb, alexUpdateCDSGoing to from rtlinux to Gentoo requires front end code clean outApparently when updating front end codes
from rtlinux to the patched Gentoo, certain
files don't get deleted when running make
  
  3650   Tue Oct 5 13:59:17 2010 Leo SingerConfigurationComputersInstalled x264-devel on Allegra I installed the package x264-devel
on allegra.martian.  This package provides
headers and libraries for the popular h264
  
  3649   Tue Oct 5 13:52:15 2010 ranaUpdateCDSproof of trend   Untitled.png 
  3648   Tue Oct 5 13:46:26 2010 josephb, alexUpdateCDSRestarted fb trendingFb is now once again actually recording
trends.
A section of the daqdrc file (located
  
  3647   Tue Oct 5 11:42:20 2010 kiwamuSummaryGreen Lockingdeveloping green locking plant With a help from Joe, I made a diagram
of the simulated plant for green locking
in order to get better understanding and
 green_sm3.png 
  3646   Tue Oct 5 09:26:04 2010 steveConfigurationPEMmoved accelerometersAccelerometers xyz were moved from IOO-south/west 
corner to under PSL table. They were turned
off for ~20 minutes.
  
  3645   Mon Oct 4 19:48:00 2010 yutaUpdateVACseveral mirrors installed to ITMX/BS chamber(Koji, Kiwamu, Yuta)
Lots of progress
 P1060901.JPGP1060904.JPG 
  3644   Mon Oct 4 15:28:10 2010 josephbUpdateCDSTrying to get c1ioo booting as Gentoo.I modified the dhcpd.conf file in /etc/dhcp
on the fb machine.  I added a entry
for c1ioo, listing its MAC address and ip
  
  3643   Mon Oct 4 13:48:41 2010 Leo SingerConfigurationComputersUninstalled gstreamer-devel and gstreamer-plugins-base-devel on rosalba I uninstalled gstreamer-devel and
gst-plugins-base-devel on Rosalba.  Here
is the command I ran:
  
  3642   Mon Oct 4 11:20:45 2010 josephbUpdateCDSFixed Suspension binary output list and sus modelI've updated the CDS wiki page listing
the wiring of the 40m suspensions with the
correct binary output channels.  I previously
  
  3641   Mon Oct 4 06:47:46 2010 rana, taraUpdatePSLHigh Voltage Driver added to TTFSS -> NPROInside the FSS box, the FAST path has a
~10 Hz pole made up from the 15k resistor
and the 1 uF cap before the output connector.
  
  3640   Fri Oct 1 21:34:14 2010 rana, taraUpdatePSLHigh Voltage Driver added to TTFSS -> NPRO

    
        
 NPROTF.png2010_10_01.png 
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