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  40m Log, Page 186 of 341  Not logged in ELOG logo
ID Date Author Type Category Subject Text Attachments
  7803   Mon Dec 10 03:02:03 2012 DenUpdateLSCbeam inside DRMI is clipping on PR3 Tip-Tilt

    

       
            
 PRCL_LOCK.png 
  7802   Sun Dec 9 17:51:53 2012 ranaUpdateLSCbeam inside DRMI is clipping on PR3 Tip-Tilt 
 Some explanation of how you
define power buildup please. Also some plots
  
  7801   Sun Dec 9 01:21:51 2012 DenUpdateLSCbeam inside DRMI is clipping on PR3 Tip-Tilt

    

       
            
 6x 
  7800   Sat Dec 8 04:12:38 2012 DenUpdateLSCprcl Today I wanted to check that AS and
REFL beams are real and contain proper information
about interferometer. For this I locked YARM
 IMG_0118.JPG 
  7799   Fri Dec 7 20:34:31 2012 AyakaUpdateSUSoplevs as acoustic and seismic noise couplers at high frequenciesI will
just leave the picture of spectrum that shows
the injected acoustic sound effects due to
 YARM_acous_oplev.pdf 
  7798   Fri Dec 7 19:24:43 2012 Den, AyakaUpdateSUSoplevs as acoustic and seismic noise couplers at high frequenciesWe've provided acoustic excitation using
speakers on the AS table and saw that PSD
of YARM feedback signal increased in the
 IMG_0111.JPGIMG_0112.JPGETMY_olreso_copy.pngYARM.png 
  7797   Fri Dec 7 02:02:23 2012 DenUpdateAlignmentc1ass

    

       
            
  
  7796   Fri Dec 7 00:08:39 2012 ranaUpdateAlignmentc1ass 
 This looks like a good performance
tuning for these. It would be good if you
  
  7795   Thu Dec 6 02:55:46 2012 DenUpdateAlignmentc1assToday I've set c1ass model to improve alignment
of X and Y arms. I've added all measured
parameters to ASS scripts.  I've also added
 xarm_ass.pngyarm_ass.png 
  7794   Wed Dec 5 17:38:41 2012 RijuHowTo Photodiode transimpedanceI have started making the circuit to measure
the transimpedance for the photodiode PDA10CF
using Jenne's laser. I will continue it tomorrow.
  
  7793   Wed Dec 5 16:54:29 2012 jamieOmnistructureComputersnew (beta) version of NDS2 installed on control room machines

    

       
            
  
  7792   Wed Dec 5 09:53:01 2012 ranaUpdateWienerFilteringThe microphones and the speaker on the AP table  Don't
try to re-invent the mic mount: just copy
the LIGO mic mount for the first version.
  
  7791   Wed Dec 5 09:42:46 2012 ranaOmnistructureComputersnew (beta) version of NDS2 installed on control room machinesNDS2 is not designed for non DQ channels
- it gets data from the frames, not through
NDS1.
  
  7790   Wed Dec 5 03:25:32 2012 DenUpdateASCditheringI wanted to center beams on the XARM cavity
mirrors using c1ass model. I've run XARM
setup script and then turned dithering on.
  
  7789   Wed Dec 5 01:06:22 2012 AyakaUpdateWienerFilteringThe microphones and the speaker on the AP table In order to see the acoustic coupling
on arm signals, I set 6 microphones and the
speaker on the AP table. The microphones
 DSC_4956.JPGDSC_4961.JPGAPsig.pdf 
  7788   Tue Dec 4 23:08:46 2012 DenOmnistructureComputersnew (beta) version of nds2 installed on control room machines

    

       
            
  
  7787   Tue Dec 4 21:57:04 2012 DenUpdateSUSTTs are ready

    

       
            
  
  7786   Tue Dec 4 20:38:51 2012 jamieOmnistructureComputersnew (beta) version of nds2 installed on control room machinesI've installed the new nds2 packages on
the control room machines.
These new packages include some new
  
  7785   Tue Dec 4 20:13:55 2012 KojiUpdateSUSTTs are readyPlease
leave here what was the instruction by Bran
  
  7784   Tue Dec 4 18:53:50 2012 AyakaUpdateAlignmentBS chamberBS chamber seemed to be kicked again around
10:00 am today.
I moved PZT mainly in YAW and locked
 BSchamb1204.pdf 
  7783   Tue Dec 4 18:06:35 2012 DenUpdateSUSTTs are ready Using instructions from Bram and
Suresh, I was able to plug in connectors
to BOSEMs. Today I've tested electronics,
 IMG_0105.JPGIMG_0108.JPG 
  7782   Tue Dec 4 11:30:36 2012 ZachUpdatePSLPMC calibration for MC_F calibrationIn order to have less unknown, you can
calibrate the PMC PZT separately. Lock the
PMC and take a transfer function from either
  
  7781   Tue Dec 4 10:51:10 2012 SteveUpdateSUSPRM damping restoredPRM oplev gains set to zero from PIT 0.15
and YAW -0.3 and damping restored
  
  7780   Tue Dec 4 10:44:36 2012 SteveUpdatePEMshort power outage    
  7779   Tue Dec 4 01:43:37 2012 ranaUpdatePSLPMC calibration for MC_F calibration  If you can't find the PMC sidebands
in the transmission, its because the SNR
is too small.
  
  7778   Mon Dec 3 17:04:12 2012 AyakaUpdatePSLPMC calibration for MC_F calibrationIn order to calibrate MC_F signal, I need
to know the calibration value from thorlab's
PZT driver to laser frequency.
 DSC_4955.JPGsweep_PZTdriver.pngPMC_PZT_FSR.pdftrans_fit.pngPMC-PZTcal_121203.zip 
  7777   Mon Dec 3 16:37:09 2012 SteveUpdatePEMEM 172 microphones ordered

    

       
            
  
  7776   Mon Dec 3 07:40:00 2012 SteveHowToAlignmenthow was the BS chamber misalinged

    

       
            
 BSsupport.jpg 
  7775   Sun Dec 2 00:37:49 2012 DenUpdateSUSTT cable problem This week I've got all TT stuff baked
and today was testing eddy current damping
and electronics.
 6x 
  7774   Sat Dec 1 16:58:14 2012 ManasaUpdateWIKI-40M UpdateOptical tablesI have updated the wiki with the layout
of the out-of-vac optical tables: Updated
  
  7773   Sat Dec 1 13:56:38 2012 ranaUpdateAlignmentBS chamber 
 Whoever was working
around the BS chamber at 11 AM on Friday
  
  7772   Sat Dec 1 00:24:37 2012 Den, AyakaUpdateAlignmentBS chamberToday at 11:13 AM the stack of invacuum
BS table was kicked and IFO misaligned. We
adjusted PZT2 voltage by ~20 V in yaw such
 push.png 
  7771   Sat Dec 1 00:13:16 2012 DenUpdateAdaptive FilteringARMS and MC

    

       
            
 arms_mcl_oaf.pdf 
  7770   Fri Nov 30 23:10:36 2012 CharlesUpdateElectronicsVertex Illuminators 3 of the 4 remote controlled illuminators
at the vertex are installed and can now be
turned on via sitemap. There are a total
  
  7769   Fri Nov 30 22:11:50 2012 DenUpdateAdaptive FilteringARMS

    

       
            
 arms_oaf.pdf 
  7768   Fri Nov 30 14:21:18 2012 ranaHowToComputer Scripts / ProgramsThe mystery of PDFs and you. As deep as the mystery of Rasputin.   darm.pdf 
  7767   Fri Nov 30 11:49:24 2012 KojiUpdateAdaptive FilteringYARMThis is interesting. I suppose you are
acting on the ETMY.
Can you construct the compensation
  
  7766   Fri Nov 30 11:38:35 2012 SteveUpdatePSLfoil removed from enclosureAluminum foil replaced by sheet metal on
Enclosure and AP table.
 IMG_1822.JPG 
  7765   Fri Nov 30 09:59:53 2012 SteveHowToGeneralHow not toClean cabinet S15 doors were left open.
You have to lock it up!
  
  7764   Fri Nov 30 02:40:44 2012 DenUpdateAdaptive FilteringYARMI've applied FIR adaptive filter to YARM
control. Feedback signal of the closed loop
was used as adaptive filter error signal
 yarm_oaf.png 
  7763   Thu Nov 29 09:58:06 2012 DenUpdatePEMDecreased RMS in Seismometers

    

       
            
  
  7762   Thu Nov 29 02:43:48 2012 AyakaUpdatePEMDecreased RMS in Seismometers

    

       
            
 GUR1Xfilterbank.pngseismometers1129.jpgseismometers1129.pdf 
  7761   Thu Nov 29 00:15:13 2012 Den, KojiUpdateIOOMC WFS work

    

       
            
 wfs_fb.pdfDSC_4942.JPG 
  7760   Wed Nov 28 23:55:13 2012 AyakaUpdateWienerFilteringSound on PSL I have been searching for the way
we can subtract signal better since I could
see the acoustic coupling signal remains
 tri40_psdcoh_mcf_varioust.pnggauss_psdcoh_mcf_varioust.png 
  7759   Wed Nov 28 23:18:35 2012 CharlesUpdatePEMDecreased RMS in SeismometersThe attached plots display RMS noise from
various accelerometers and seismometers over
the past 90 days. One can see how after the
 8-31_11-29_PEM-RMS.jpg 
  7758   Wed Nov 28 21:42:21 2012 ranaFrogsComputer Scripts / Programsdataviewer font errorAn error this evening on rossa: dataviewer
not working due to some font errors:
controls@rossa:~ 0$ dataviewer
  
  7757   Wed Nov 28 17:40:28 2012 jamieOmnistructureComputerselog working again on firefox 17Koji and I figured out what the problem
is.  Apparently firefox 17.0 (specifically
it's user-agent string) breaks fckeditor,
  
  7756   Tue Nov 27 19:06:16 2012 RijuUpdate Testing AG4395A+GPIB I ve tested another bandpass filter
today with similar set-up. This time I took
the data with corrected reference level.
 tfmag1.jpgtfphase1.jpg 
  7755   Tue Nov 27 17:45:42 2012 SteveUpdateGeneralspare optics of AP table moved to cabinetSpare optics from the AP table were moved
to glass cabinet in the east arm. I'm not
sure this is the right place. We'll see what
 IMG_1819.JPG 
  7754   Tue Nov 27 11:27:22 2012 SteveUpdatePEMparticle count is going up

Jeff is still working on the filter banks.
 5yparticles.pngparticle_6m_6m.png1y_particlec.png10y_particle_c.png 
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