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IDdown Date Author Type Category Subject Text Attachments
  134   Sat May 23 16:04:57 2009 AidanLaserFiberBlocking out FS experiment ... I've started to to block out the
parts for the fiber stabilization experiment
as in the attached layout ... basically to
  133   Fri May 15 18:27:01 2009 DmassLaserPMCNew table layout for PMCI have included pictures of the new table
layout below. I labeled what I consider "non
obvious optics"
  132   Fri May 15 17:53:25 2009 DmassLaserPSLChiller making funny noisesThe chiller wants new filters really badly.
It was also making funny noises (somewhere
around 1 Hz) that didn't sound all that healthy.
  131   Fri May 15 17:41:43 2009 DmassLaserDoublingSHG Ovens

  130   Fri May 15 17:32:30 2009 AidanComputingFiberStarted screen for Fiber Stabilization - and claiming CDS channelsI'd like to use ADC channels 13-16 for
the photodiodes in the FS experiment. Also
going to use DAC channel 16 for feeding back
  129   Fri May 15 14:13:18 2009 DmassLaserDoublingSHG OvensThey're here, hot, and ...stable?  shgoven.png 
  128   Fri May 15 04:23:19 2009 DmassLaserPMC Relocking the PMC[U][B]Let there be lock. Picture included
  127   Thu May 14 20:57:22 2009 ranaLaserPMC Relocking the PMC[LIST]
[*] Instead of using the polarizer all the
way, set the polarizer to transmit a few
  126   Wed May 13 17:13:29 2009 DmassLaserPSLBeam ScansIn the course of troubleshooting the PMC
locking I took some beam scans of the PSL
  125   Wed May 13 16:57:28 2009 DmassLaserPMC Relocking the PMCI have been working at relocking the PMC
and have been running into a lot of problems.
  124   Tue May 5 16:36:40 2009 AidanComputingCDSRealtime code generation (RCG) troubleshootingUseful things to try when making Simulink
models with RCG

When making a new model foo.mdl use
  123   Tue May 5 14:43:05 2009 AidanComputingCDSRCG make screwiness - how do i clean up old and failed makes? 
Found uninstall solution in DMass's
elog entry:
  122   Fri May 1 16:39:12 2009 AidanComputingCDSRCG make screwiness - how do i clean up old and failed makes?Had problems compiling/making the Realtime
Code Generator (RCG) example application
in the document T080135-00-C.
  121   Sat Apr 25 12:11:54 2009 ranaComputingDAQATF Screens/DAQ up and running.Cool. For properness all of the medm screens
should be in the /cvs/cds/caltech/medm/ directory.
We should
  120   Thu Apr 23 15:25:35 2009 DmassComputingDAQATF Screens/DAQ up and running.I made screens for the lab from the atf.mdl
file which is in the /cvs/cds/advLigo/src/epics/simLink/
  119   Wed Apr 22 14:47:47 2009 DmassComputingDAQDAQ back up and runningThis got the oms system back up and running.
Data was going into the ADC, through the
filters, and back out the DAC.
  118   Wed Apr 22 11:33:24 2009 DmassComputingDAQDAQ back up and runningThis from Alex:

"Looks like we changed GM nodename
  117   Mon Apr 20 18:03:44 2009 dmassComputingDAQADC no longer working!This all started when I did a cvs update.
I have forwarded my concerns, trials, and
tribulations to the russian.
  116   Sun Apr 19 16:08:03 2009 dmassLaserPSLThe chiller wants new filtersThe chiller has been begging for new filters
for a while. I don't know if we ever starting
loggin the chiller data, but I expect the
  115   Sun Apr 19 16:01:35 2009 dmassLaserPSLLaser OnI found the 35W on with the shutter closed
@ 4pm Sunday. It was off as of 8pm friday,
with the shutter closed. I checked the power
  114   Fri Apr 17 20:05:59 2009 AidanLab InfrastructureGeneralAnother workbench and a filing cabinetWe're starting to accumulate a lot of loose
data sheets and other paraphernalia. We should
arrange to get a small filing cabinet down
  113   Fri Apr 17 20:04:17 2009 dmassComputingDAQADC no longer working!I was trying to get the ATF.mdl or OMS.mdl
system back up and running, but neither could
see fb0.
  112   Thu Apr 9 11:26:21 2009 alastairComputingDAQDAC now workingThe output from the DAQ is now working,
and the timing etc looks sensible, though
still at 64khz.  I've only tested the
  111   Thu Apr 9 10:02:24 2009 alastairLab InfrastructureGeneralAudio/mp3We now have the right cable to connect
audio equipment with a standard 2.5mm headphone
jack (ipods etc) to the hi-fi.  Just
  110   Thu Apr 9 09:52:54 2009 alastairLab InfrastructureDAQDAQ up and runningThanks to the help of all the people I've
been hassling about this, the DAQ system
is up and running.
  109   Thu Mar 5 19:24:06 2009 ken mailandLaserGeneral35 watt table beam dump

  108   Wed Mar 4 15:20:14 2009 pkingLaserPSLlaser re-aligned I fired up the laser this afternoon because
Ken Mailand wanted to
test the silicon beam dump.  The output power
  107   Fri Jan 23 16:48:29 2009 DmassLaserPSLChiller noise and DeI waterJohn Miller emailed me about the chiller once
again whining. The water level was almost
at the "min" line, and he filled it. This
  106   Wed Jan 14 18:14:23 2009 AidanThings to BuyFiberResidual things to buy for FS - extra photodiodes[quote][quote]
A large fraction of the equipment is already
in the lab from Masha's experiment earlier
  105   Wed Jan 14 11:33:58 2009 AidanThings to BuyFiberResidual things to buy for FS - QWPs, HWPs, output coupler[quote]
A large fraction of the equipment is already
in the lab from Masha's experiment earlier
  104   Thu Jan 8 19:59:50 2009 AidanMiscGeneralEarthquake ...
Just felt the building shake. Didn't feel
as a large as last year's quake.
  103   Tue Nov 25 17:30:32 2008 AidanLaserFiberPreliminary noise budgets for fibre stabilization
Here are some preliminary noise budgets for
the FS experiment ... or rather, the setup
  102   Tue Nov 25 17:12:01 2008 AidanThings to BuyFiberResidual things to buy for FS
A large fraction of the equipment is already
in the lab from Masha's experiment earlier
  101   Sat Nov 8 21:38:17 2008 DmassLaserPSLChiller Noise[quote]The new chiller was making a noise
(as reported to me by John).
  100   Thu Oct 9 08:47:54 2008 AidanLaserFiberDismantled fiber stabilization setup

Packed up the current setup. Am going to
  99   Wed Oct 8 13:40:02 2008 DmassLaserPSLChiller NoiseThe new chiller was making a noise (as reported
to me by John).
  98   Tue Sep 23 12:10:08 2008 AidanLaserFiberMaximized fiber coupler ROLL angle.
Set the input fiber coupler roll angle to
190 degrees on the graduated scale. Rotated
  97   Tue Sep 23 10:15:15 2008 AidanLaserFiberFringe magnitude fluctuation investigation - why isn' the maximum 45 degrees from the minimum?[quote]
The attached photo shows the fiber coupler
in question and the ROLL angle adjustment
  96   Mon Sep 22 20:20:25 2008 AidanLaserFiberFringe magnitude fluctuation investigation
The attached photo shows the fiber coupler
in question and the ROLL angle adjustment
  95   Mon Sep 22 18:03:34 2008 DmassComputingDAQDAQ IS BACK - as is the 35W[B]The Chiller appears to not be leaking.
There are no squeaks coming from under the
  94   Sun Sep 21 15:45:21 2008 DmassLaserPSLChiller on. 35W on.[quote]Peter got word back from Christian
and told me how to modify the adapter he
made (schematic to be posted later when he
  93   Fri Sep 19 13:18:00 2008 DmassLaserPSLChiller on. 35W on.Peter got word back from Christian and told
me how to modify the adapter he made (schematic
to be posted later when he emails it to me).
  92   Tue Sep 16 22:55:30 2008 DmassLaserPSLConnectors neededPeter King and I hooked up the chiller to
itself and ran it looking for "gunk" in the
system. We satisfied ourselves that there
  91   Tue Sep 9 16:36:01 2008 DmassLaserPSLConnectors neededI got the replacement chiller (a Neslab Thermoflex1400)
from 046 W. Bridge. I unpacked it and moved
it by the PSL optics table in 058 W. Bridge.
  90   Tue Sep 9 15:49:22 2008 DmassLab InfrastructureHVACHEPA FiltersI had turned off the east HEPA filter with
Masha for a noise measurement, and I forgot
to turn it back on until today. Also, it
  89   Fri Sep 5 03:24:37 2008 DmassLaserPSLConnectors needed[quote]I am trying to chase down the source
of the long time scale sharp fluctiations
in intensity. I need to start reading out
  88   Wed Sep 3 18:22:20 2008 AidanLaserFiberCalibrated noise spectra ... does not agree with previous measurements[quote]I recorded the closed loop, open loop
and electronics noise in the current fiber
stabilization system (single-pass through
  87   Wed Sep 3 16:43:56 2008 Aidan, BramLaserFiberFringe visibility fluctuation ... Bram's suggestions[quote]
I tried to calibrate the fiber phase noise
measurements in DTT by determining the fringe
  86   Wed Sep 3 13:35:56 2008 AidanLaserFiberCalibrated noise spectra ... does not agree with previous measurementsI recorded the closed loop, open loop and
electronics noise in the current fiber stabilization
system (single-pass through fiber, AOM after
  85   Tue Sep 2 23:09:38 2008 AidanLaserFiberAttempted calibration of fiber noise. NPRO current = 1.903A[quote]
I tried to calibrate the fiber phase noise
measurements in DTT by determining the fringe
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