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  40m Log, Page 280 of 344  Not logged in ELOG logo
ID Date Author Typedown Category Subject Text Attachments
  5110   Wed Aug 3 14:40:32 2011 kiwamuSummaryGeneralminutes of 40m meeting : plan tomorrowTomorrow's main goal
is : let the both X and Y green light come
  
  5120   Fri Aug 5 02:00:09 2011 kiwamuSummaryGeneralsummary of today's invac work [Jamie, Jenne, Suresh,
Steve, Koji, Kiwamu]
  
  5122   Fri Aug 5 08:08:42 2011 kiwamuSummaryGeneralplan todayToday's main
mission is : adjustment of the arm length
  
  5127   Fri Aug 5 20:37:34 2011 jamieSummaryGeneralSummary of today's in-vacuum work[Jamie, Suresh, Jenne, Koji, Kiwamu]
After this morning's hiccup
with the east end crane, we decided to
  
  5130   Sat Aug 6 03:10:05 2011 SureshSummaryGeneralSummary of today's in-vacuum workThe table below gives the OSEM positions
as seen on the slow chanels C1:SUS-ETMX_{UL,UR,LL,LR,SD}PDMon
 ETMX_OSEMs.pngAfter_osem_adjustment.JPGBefore_osem_adj.JPG 
  5131   Sat Aug 6 13:38:02 2011 ranaSummaryGeneralSummary of today's in-vacuum workThis OSEM placement is just the OPPOSITE
of what the proper placement is.
Usually, we want to put them in so
  
  5132   Sun Aug 7 11:10:54 2011 SureshSummaryGeneralOSEM positioning
  
  5145   Mon Aug 8 22:12:58 2011 NicoleSummarySUSDaily SummaryToday I balanced the mirror, finished putting
together the second photosensor, and finished
my photosensor circuit box! 
 frontview.jpgfrontview.jpg 
  5147   Tue Aug 9 02:03:16 2011 kiwamuSummarySUSsummary of today's work on ETMY[Rana / Jenne / Kiwamu]
The
ETMY suspension tower is currently sitting
  
  5151   Tue Aug 9 03:05:05 2011 kiwamuSummaryGeneralweekly reportSummary of the week ending Aug 8th.   
  5154   Tue Aug 9 13:34:40 2011 NicoleSummarySUSNew Calibration Plots for PhotosensorsHere are the new calibration plots for
my photosensors. These calibrations were
done using a translation stage.
 ps1.jpgps2.jpg 
  5160   Tue Aug 9 19:53:56 2011 NicoleSummarySUSWeekly SummaryThis week, I have finished assembling everything
I need to begin shaking. I built an intermediary
mounting stage to mount the TT suspension
 entiresetup.jpg 
  5169   Wed Aug 10 12:32:09 2011 NicoleSummarySUSWeekly Summary UpdateLast night, I attached a metal plate to
the Vout faceplate of my photosensor circuit
box because the BNC connection terminals
  
  5170   Wed Aug 10 12:33:34 2011 Manuel, IshwitaSummaryPEMWeekly summaryWe got the results of the wiener filtering
simulations (Elog
Entry)
  
  5178   Wed Aug 10 19:18:26 2011 NicoleSummarySUSFixed Reflective Photosensors; Recalibrated Photosensor 2Thanks to Koji's help, the second photosensor,
which was not working, has been fixed. I
have re-calibrated the photosensor after
 ps2.jpg 
  5180   Wed Aug 10 22:47:22 2011 ranaSummaryVACVacuum Workstation (linux3) re-activatedFor some reason the workstation at the
vac rack was off and unplugged. Nicole and
I plugged its power back in to the EX rack.
  
  5183   Thu Aug 11 06:45:14 2011 NicoleSummarySUSShaking TestingKoji and I have finished shaking the table for the
first round of measurements (horizontal shaking).
  
  5188   Thu Aug 11 12:31:39 2011 NicoleSummarySUSPhotosensor Head Calibration Curve for TT FrameI have re-calibrated the photosensor I
used to measure the displacements of the
TT frame (what I call "Photosensor 2").
 ps2frame.jpg 
  5191   Thu Aug 11 14:22:00 2011 NicoleSummarySUSPhotosensor Head Calibration Curve for TT Frame

    

       
            
  
  5192   Thu Aug 11 14:32:12 2011 KojiSummarySUSPhotosensor Head Calibration Curve for TT FrameThe entry was quite confusing owing to
many misleading wordings.
- The PS2 should be calibrated "as
  
  5195   Thu Aug 11 16:09:05 2011 NicoleSummarySUSBode Plot for TT SuspensionAll of my plots have already taken into
account the calibration of the photosensor
(V/mm ratio)
 6x 
  5202   Fri Aug 12 03:49:45 2011 JennySummaryPSLNPRO PDH-Locked to Ref Cav
 LIGO_block_diagram_2.pngopenlooperror.jpgIMG_3034.JPGclosedlooperror.jpg 
  5205   Fri Aug 12 11:07:50 2011 NicoleSummarySUSMore TT Shaking Completed This MorningThis morning (about 10am to 11am), I have
collected additional transfer function measurements
for the T.T. suspension. I have finished
  
  5206   Fri Aug 12 14:15:07 2011 NicoleSummarySUSBode Plot for TT SuspensionHere is my bode plot comparing the flexibly-supported
and rigidly-supported EDCs (both with no
bar)
 EXPrigidvsflex.jpg 
  5208   Fri Aug 12 15:34:16 2011 NicoleSummarySUSBode Plot for TT Suspension

    

       
            
 RIGIDexp_model.jpgflexmodcomp.jpg 
  5214   Fri Aug 12 17:27:49 2011 YoichiSummaryCDSToggle button for RCGBottom line: I made an RCG block to realize
a toggle button easily.
  
  5217   Fri Aug 12 20:33:57 2011 DmassSummaryPSLNPRO PDH-Locked to Ref CavTo aid Jenny's valiant attempt to finish
her SURF project, I did some things with
the front end system over the last couple
 TMP_INT_TF.pdf 
  5222   Sat Aug 13 15:40:38 2011 NicoleSummarySUSTT Shaking Today and Hopefully More?As reported in my  previous
entry of TT supsension bode plots, I
found that my experimental data had what
 emnoise_and_flex.jpg 
  5223   Sat Aug 13 15:47:47 2011 NicoleSummarySUSTT Optimization CurvesUsing my Matlab model of the flexibly-supported
eddy current damping system, I have changed
parameters to see if/how the TTs can be optimized
 magstrength1.jpgdampermass.jpgresfreq.jpg 
  5224   Sat Aug 13 19:08:01 2011 KojiSummarySUSTT Optimization CurvesWhat are the parameters you are using?
As you have the drawings of the components,
you can calculate the masses of the objects.
  
  5225   Sat Aug 13 21:15:47 2011 NicoleSummarySUSTT Optimization Curves


   
        
            
  
  5226   Sat Aug 13 21:48:17 2011 KojiSummarySUSTT Optimization Curves1) Drawing has the dimensions => You
can calculate the volume => You can calculate
the mass
  
  5227   Sun Aug 14 00:26:51 2011 NicoleSummarySUSTT Optimization Curves

    
        
  
  5229   Sun Aug 14 13:57:52 2011 NicoleSummarySUSTT Optimization Curves

    

       
            
 FLEX_exp_mod_comp.jpg 
  5231   Sun Aug 14 17:47:39 2011 NicoleSummarySUSTT Shaking Today and Hopefully More?

    

       
            
 noisetest.jpg 
  5233   Sun Aug 14 20:04:40 2011 Keiko, Anamaria, Jenne, and KiwamuSummaryLockingcentral part ifo locking planGOAL : To lock the central part of ifo

Here is the plan:
  
  5243   Mon Aug 15 21:43:29 2011 Anamaria and KeikoSummaryLockingcentral part ifo locking project REFL33 and REFL165 cables were connected
from the AP table to the rack.  Cables
on the rack for REFL33I, 33Q, 165I, 165Q
  
  5350   Tue Sep 6 22:51:53 2011 ranaSummaryCamerasAll Camera setups a need upgradingI just tried to adjust the ETMY camera
and its not very user friendly = NEEDS FIXING.
* Camera view is upside down.
  
  5358   Wed Sep 7 13:28:25 2011 steveSummaryCamerasAll Camera setups a need upgrading


   
        
            
  
  5459   Mon Sep 19 14:57:36 2011 kiwamuSummaryIOOIP POS is backIPPOS is
back. A cable had been disconnected at the
 wiring.png 
  5468   Mon Sep 19 20:56:36 2011 PaulSummarySUSRemaining SRM and ITMY OSEMs calibrations 
I've now taken data for the pitch
and yaw calibrations for the OSEMs of SRM
 SRM_PITCH_calib_curve.pngSRM_YAW_calib_curve.pngITMY_PITCH_calib_curve.pngITMY_YAW_calib_curve.png 
  5492   Tue Sep 20 23:59:53 2011 KojiSummaryLSCPlan to update the LSC code for multiple lock-insDRMI team needs to use at least three lockins
on LSC

    Increase the number
  
  5495   Wed Sep 21 02:49:39 2011 KeikoSummaryLSCLSC matricesI created 3 kinds of LSC matrices, PRMI condition
with carrier resonant in PRC, PRMI condition
  
  5498   Wed Sep 21 14:28:25 2011 KojiSummaryLSCThe LSC code/screen modification for LSC LOCKINsThe
LSC code has been modified
-
The code was modified, compiled, and installed.
  
  5522   Thu Sep 22 18:33:01 2011 KojiSummaryLSCThe LSC screen modificationAs per the request of Anamaria, I have
added the slider of the demodulation phase
for each RF PD screens.
 PD_screen.png 
  5528   Thu Sep 22 23:18:51 2011 KojiSummaryLSCThe LSC screen modification 
C1LSC_RFPD.adl screen was modified
to have more information.
 C1LSC_RFPD.png 
  5589   Fri Sep 30 18:06:24 2011 kiwamuSummaryIOOPZTs straing guage   beforeOutage110930.png 
  5592   Sat Oct 1 17:47:21 2011 KojiSummaryGeneralRecovery from the power shutdown[Steve Koji Kiwamu]
- The storage on linux1 and linux1
itself (with this order) were turned on at
  
  5593   Sat Oct 1 22:53:49 2011 kiwamuSummaryGeneralRecovery from the power shutdown : lockableFound the Marconi for the 11 MHz source
had been reset to its default.
 => reset the parameters.
  
  5596   Sun Oct 2 13:45:13 2011 ranaSummaryGeneralRecovery from the power shutdown: apache / svnRestarted Apache on nodus using Yoichi's
wiki instructions. SVN is back up.
  
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