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ID Date Authorup Type Category Subject Text Attachments
  3330   Fri Jul 30 09:51:58 2010 kiwamuUpdateGreen LockingRe: waist positon of Gaussian beam in PPKTP crystalsOkay, I guess I understand what you want
to know. I did the following steps.
1. calculated the conversion efficiency
 efficiency_waist_edit.pngPPKTPmode.pngPSL_doubling.pngmode_in_PPKTP.png 
  3340   Sat Jul 31 10:12:05 2010 kiwamuUpdateVACRe: How to stop and start slow pumpdownI resumed the pumping down. It started
from 9:55 am.
  
  3341   Sat Jul 31 14:59:33 2010 kiwamuUpdateVACRe: How to stop and start slow pumpdownI stopped the pumping at 14:50 pm
because I was going back home. I did the
  
  3353   Tue Aug 3 11:17:10 2010 kiwamuUpdateCDSDiagrams for Cables needed for CDS testCurrent Wiring Setup for the Suspension
Controls
 sus_wiring.pngsus_new_wiring.pngsus_missing_stuff.png 
  3405   Thu Aug 12 11:19:04 2010 kiwamuUpdateCDScurrent statusCurrent status of the new CDS test (summaries   
  3407   Thu Aug 12 11:59:31 2010 kiwamuHowToCDSset up ntp daemom(sad story)
When I was working on a new front
end machine c1sus, I found that
  
  3414   Thu Aug 12 18:30:08 2010 kiwamuUpdateCDSRe: current statusYes.  
The medm screen C1SUS_GDS_TP.adl
showed some numbers which correspond
  
  3456   Mon Aug 23 15:24:24 2010 kiwamuConfigurationSUSwatchdogs offFor the new CDS test, I turned
off the watchdogs for PRM, SRM, BS, ITMs
  
  3457   Mon Aug 23 18:18:22 2010 kiwamuConfigurationSUSRe:watchdogs offNow watchdogs
are back.
  
  3458   Mon Aug 23 19:55:31 2010 kiwamuUpdateCDSsome progress {Joe, Kiwamu}
Today
  
  3460   Mon Aug 23 22:11:52 2010 kiwamuUpdateTreasureRe:Seriously?Woops, I am sorry about that. I've just
cleaned them up.

  
  3474   Thu Aug 26 17:10:26 2010 kiwamuUpdateCDSnew CDS test[Joe, Kiwamu] 
W
  
  3478   Fri Aug 27 13:41:02 2010 kiwamuUpdateSUSfix watchdogs  [Joe, Kiwamu]
We found that the vertex watchdogs were
  
  3479   Fri Aug 27 14:03:43 2010 kiwamuUpdateCDSWatch dogs for Vertex optics turned offFor
a futher damping test, I again turned off
the vertex optics watchdogs temporarily,
  
  3480   Fri Aug 27 17:27:41 2010 kiwamuUpdateCDSnew CDS test { Joe, Kiwamu }
Yes
  
  3486   Mon Aug 30 11:41:34 2010 kiwamuUpdateComputersdisable sendmail and isdn {Rana and Kiwamu}
Yesterday we disabled the sendmail
daemon and the isdn daemon on allegra because
  
  3490   Mon Aug 30 22:45:49 2010 kiwamuUpdateCDSbinary outputs for the new CDS{ Joe and Kiwamu }
Today we made some efforts to
get the binary outputs (BOs) working.
  
  3492   Tue Aug 31 02:50:45 2010 kiwamuUpdateCDSvertex suspensions controlled by the new CDSI plugged the
new CDS to the vertex suspensions.
  
  3494   Tue Aug 31 11:50:14 2010 kiwamuUpdateCDSmaximum number of BIOs { Joe and Kiwamu },
 
  
  3544   Wed Sep 8 11:46:53 2010 kiwamuUpdatePSLupdate of the layoutI put some
green stuff on the layout drawing.
 40mPSL.png 
  3545   Wed Sep 8 11:56:24 2010 kiwamuSummaryCDSSeptember CDS test plan Joe and Kiwamu
We discussed about our CDS plan for
this September. The summary of the plan
  
  3548   Thu Sep 9 05:58:04 2010 kiwamuUpdatePSLmode matching from PMC to IMC I started mode matching of the
beam going to IMC. The work is still going
on.
  
  3566   Mon Sep 13 11:49:34 2010 kiwamuUpdatePSLmode matching from PMC to IMCI have been working on the mode matching
lenses which are sitting after the boradband
EOM.
 psl_mmt1.pngnewMM.png 
  3567   Mon Sep 13 12:09:42 2010 kiwamuSummaryGeneralelog restarted Elog didn't respond, so I restarted
it with the script.
Before killing the process somehow
  
  3569   Mon Sep 13 21:52:53 2010 kiwamuUpdateGreen Lockingthe X end laser is ON
 I turned ON the laser
at the X end station, which had
  
  3614   Tue Sep 28 00:07:45 2010 kiwamuConfigurationVACRe: slow vent has started(Koji, Yuta, Kiwamu)
 P1_history_100927.png 
  3621   Wed Sep 29 15:34:46 2010 kiwamuUpdateGeneralfixing vertex crane
    

       
            
  
  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 
  3663   Wed Oct 6 22:46:36 2010 kiwamuUpdateGreen LockingSHG at PSL table I
put some optics to get the green SHG on the
  
  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 
  3693   Mon Oct 11 22:45:16 2010 kiwamuUpdateComputerssolid works 2010 installed   solidworks.PNG 
  3695   Tue Oct 12 01:54:32 2010 kiwamuUpdateGreen Lockingmode matching to doubling crystal on PSL tableI improved
the mode matching of the incident beam to
 PSL_doubling.png 
  3703   Wed Oct 13 00:35:26 2010 kiwamuUpdateGreen LockingPSL beat note setup[ Kevin and Kiwamu ]
 We
  
  3709   Wed Oct 13 21:08:40 2010 kiwamuUpdatePSLNPRO is still alive The
NPRO at the PSL table still can generate
  
  3711   Thu Oct 14 00:53:44 2010 kiwamuUpdateSUSwhat's wrong with MC2It turned out that
the DC alignment of MC2 from epics doesn't
 OSMEs.png 
  3727   Fri Oct 15 06:31:52 2010 kiwamuUpdateGreen LockingPSL beat note setup: part II I
made some KAIZENs (what
  
  3731   Fri Oct 15 22:16:22 2010 kiwamuUpdateSUSwhat's wrong with MC2[Yuta, Suresh, Rana and Kiwamu]
 The
  
  3750   Thu Oct 21 05:51:10 2010 kiwamuUpdateLockingno green beat note Still I didn't see any beat note signals..
 With a help from Suresh, Yuta
  
  3754   Thu Oct 21 15:59:28 2010 kiwamuUpdateLockingno green beat note : detailsLast night I tried searching for a beat
note signal with two different PD trans impedance
 bw.png 
  3763   Fri Oct 22 18:15:21 2010 kiwamuUpdateLockingGreen era: found a green beat note finallyfinally
we found it !
 green_beatnote.jpg 
  3771   Sun Oct 24 18:06:35 2010 kiwamuSummaryLockingsetup for green beat   green_beat_note.png 
  3773   Sun Oct 24 19:55:50 2010 kiwamuUpdateElectronicslonely RF amplifier on ITMX table(Rana, Kiwamu) 



  
  3791   Wed Oct 27 02:26:15 2010 kiwamuUpdateIOOMC locked (Rana, Koji, Suresh, Yuta, Thanh, Kiwamu)
 M
  
  3803   Thu Oct 28 03:07:53 2010 kiwamuUpdateGreen Locking80MHz VCO for green PLL : a health check I
did a health check for a 80MHz VCO box. 
 VCO_LPF_fit.png 
  3819   Fri Oct 29 05:40:51 2010 kiwamuUpdatePSLwideband EOM aligned : AM decreased by 24dBAt the
PSL table I aligned the wideband EOM more
 EOMalign.png 
  3820   Fri Oct 29 06:20:20 2010 kiwamuUpdateGreen Locking80MHz VCO for green PLL : VCO calibration I calibrated the VCO frequency
as a function of the applied input voltage.
 calibration.png 
  3823   Fri Oct 29 14:06:12 2010 kiwamuUpdateGreen LockingRe: 80MHz VCO for green PLL : VCO calibrationP.S. There is a document about the 80MHz
VCO box. This may be helpful. 
  
  3825   Fri Oct 29 16:03:35 2010 kiwamuUpdatePSLwideband EOM : installed the triple resonant box 
 
 small_DSC_2654.jpg 
  3879   Mon Nov 8 10:48:58 2010 kiwamuUpdateGreen Locking80MHz VCO : PLL open loop looks good   vco_pll.pngVCO_PLL.png 
  3881   Mon Nov 8 16:03:46 2010 kiwamuUpdateGreen Locking80MHz VCO : PLL open loop looks good


   
        
            
  
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