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ID Date Authorup Type Category Subject Text Attachments
  4556   Fri Apr 22 02:10:53 2011 ZachUpdateelogrestartedRestarted the elog with the script.   
  4571   Tue Apr 26 22:56:35 2011 ZachUpdateelogrestarted with script   
  5348   Tue Sep 6 21:00:48 2011 ZachUpdateelogelog restartedI restarted the elog with the script as
it was not up when I tried to make a post.
It was again unresponsive when I went to
  
  5666   Fri Oct 14 16:20:11 2011 ZachUpdateSUSC1:SUS-ETMX_SPDMon fixedI offered to help Kiwamu with some of the
40m work. The first task was to figure out
why the ETMX side OSEM monitor was so low,
 board_works.pngrut_roh_raggie.pngScreen_shot_2011-10-14_at_4.09.45_PM.png 
  5711   Thu Oct 20 11:59:21 2011 ZachUpdateComputer Scripts / Programsmodified "dataviewer" on nodusThe "dataviewer" script was still
setting the server to fb40m on nodus. I modified
it to fb, so that this is the default when
  
  5765   Sun Oct 30 23:01:51 2011 ZachUpdateSUSdiagAllSUS -- automated input matrix generatorI finally got around to wrapping up   
  5770   Mon Oct 31 14:06:16 2011 ZachUpdateSUSSUS input matrix diagonalizer added to crontabI actually tried to do this last night,
but I was getting a terminal error from nodus.
Jamie told me to just manually redefine the
  
  5775   Tue Nov 1 13:46:03 2011 ZachUpdateSUSSUS input matrix diagonalizer REMOVED from crontabIt turns out that nodus doesn't know how
to NDS2, so I can't run diagAllSUS as a cron
job on nodus. To further complicate things,
  
  5779   Tue Nov 1 19:26:38 2011 ZachUpdateSUS"Dr. SUS" progressEDIT: Ran Jamie's NDS2 reset method and
it's still not serving up MC data.
  
  5780   Tue Nov 1 23:13:28 2011 ZachUpdateComputersNDS2 channel filesI did some messing around with the NDS2
config and channel files and things seem
to be working as expected... for now.
  
  5781   Wed Nov 2 01:53:08 2011 ZachUpdateSUS"Dr. SUS" progressNow that NDS2
is working, I was able to run all parts
of 
  
  5785   Wed Nov 2 14:07:25 2011 ZachUpdateelogrestartedElog was hanging, restarted with the script.   
  5800   Thu Nov 3 17:24:59 2011 ZachUpdateGreen LockingSHG temperature (YARM)I must confess that I changed the temperature
of the laser via the dial yesterday. I believe
the initial (displayed) temperature was ~19o,
  
  5805   Fri Nov 4 00:25:49 2011 ZachUpdateSUSDr. SUS paths updated--question of human oversight remains
    I have replaced all instances
  
  5807   Fri Nov 4 13:04:50 2011 ZachUpdateGreen LockingPassive summing box modificationsI spent some time the other day trying
to diagnose the problem with the Y Arm universal
PDH box (S/N 17), which Katrin
 sum_circuit_new.pngsumbox_TFs.png 
  5808   Fri Nov 4 13:13:25 2011 ZachUpdateGreen LockingPDH box #17 modified, tooI also modified the Y-Arm PDH box itself
slightly. Previously, there was a flying
10k resistor from the SWEEP input to TP2.
  
  5822   Sat Nov 5 21:19:08 2011 ZachUpdateSUSDr. SUS paths updated--question of human oversight remainsOk, here's the deal:

    For the time being, I
have written a "
  
  5824   Sun Nov 6 16:58:25 2011 ZachUpdateSUSDr. SUS failed--NDS2 problems again Dr. SUS failed while trying to   
  5829   Mon Nov 7 12:51:44 2011 ZachUpdateelogRestarted elogI've noticed that it always takes running
the script twice for it to actually work.
I think there's something wrong with how
  
  5868   Fri Nov 11 00:18:53 2011 ZachUpdateElectronicsPrecision temperature controllerI have made   
  5893   Tue Nov 15 09:51:04 2011 ZachUpdateGreen LockingY end PDH lock : UGF at 17 kHz

    

       
            
  
  5902   Wed Nov 16 01:45:37 2011 ZachUpdateelogrestartedElog was hanging. Restarted it with script.   
  5926   Thu Nov 17 14:38:16 2011 ZachUpdateRF SystemStochmon?It turns out that we don't have all the
parts I would need to do a full prototype
  
  5936   Fri Nov 18 00:25:10 2011 ZachUpdateelogrestarted with script.   
  5937   Fri Nov 18 00:36:23 2011 ZachUpdateGreen LockingY-Arm PDH box modifiedI modified the Y-Arm PDH box (S/N 17)  pdh17_tf_vs_liso_11_17_11.png 
  5946   Fri Nov 18 12:11:24 2011 ZachUpdateGreen LockingY end green PDH servo : it's okay

    

       
            
  
  5954   Sat Nov 19 00:09:02 2011 ZachUpdateRF SystemFoam house on EOM

    

       
            
  
  5955   Sat Nov 19 00:34:36 2011 ZachUpdateRF Systemwhy the Newport 6000 isn't working I just figured out why the Newport
6000 isn't stabilizing the temperature. It is designed
  
  5956   Sat Nov 19 00:47:24 2011 ZachUpdateGreen LockingY-Arm locked with PDH Box #17I installed the newly modified PDH  error_sig_m_11_18_11.png 
  5976   Tue Nov 22 06:12:43 2011 ZachUpdateRF SystemPrototype temperature controllerTonight I built a simpler version of  refres1.pngrefres2.pngproto_temp_ctrl.pngschematic.png 
  5983   Wed Nov 23 00:00:53 2011 ZachSummaryGreen LockingSome issues on the Y end green PDH locking

    

       
            
  
  5984   Wed Nov 23 00:30:14 2011 ZachUpdateRF SystemEOM temperature controller trials[Jenne, Zach]
We did some testing of the prototype
temperature controller. When I left it late
  
  5985   Wed Nov 23 00:30:55 2011 ZachUpdateelogsucksTried the script 3 times and it didn't
come back. Pkill'd and then scripted. That
worked.
  
  5987   Wed Nov 23 13:53:36 2011 ZachUpdateGreen LockingSensor noiseThe in-loop Y-Arm error signal looks
equal to the beat note noise divided by the
Y-Arm OL gain in the broadband-noise region
 Yarm_ALS_2011Nov19_marked.png 
  5998   Thu Nov 24 12:45:12 2011 ZachUpdateIOORFAMPD channels / EOM monitor channels added to DAQJenne   
  6032   Tue Nov 29 02:09:15 2011 ZachUpdateRF SystemEOM temp stabilization fixedI inspected the temperature stabilization
circuit today to see why it wasn't working.
It didn't make sense that it just kept railing
 EOM_temp.png 
  6035   Tue Nov 29 14:22:03 2011 ZachUpdateRF SystemEOM temp stabilization performanceI left the EOM stabilization running overnight,
so we can finally see how the EOM temperature
stabilization does over long periods of time.
 Screen_shot_2011-11-29_at_1.33.50_PM.pngScreen_shot_2011-11-29_at_1.34.06_PM.pngScreen_shot_2011-11-29_at_1.41.03_PM.png 
  6040   Tue Nov 29 18:17:27 2011 ZachUpdateRF SystemEOM temp stabilization performance


   
        
            
  
  6043   Tue Nov 29 19:08:53 2011 ZachUpdateRF SystemEOM heater disconnectedI disconnected the heater at ~2:20
UTC, leaving the sensor circuit
operational. Don't be fooled by the apparent
 Screen_shot_2011-11-29_at_7.03.36_PM.png 
  6047   Tue Nov 29 23:03:34 2011 ZachUpdateRF SystemRFAM fluctuation reducedI was hesitant to claim that this is definitely
true without the control data we were taking
  
  6053   Wed Nov 30 13:52:09 2011 ZachUpdateRF SystemEOM temp stabilization ineffectualThis recent off/on run proved what I was
afraid of: the temperature stabilization
setup appears to do nothing except very near
 Screen_shot_2011-11-30_at_1.31.44_PM.pngScreen_shot_2011-11-30_at_1.29.48_PM.pngScreen_shot_2011-11-30_at_1.21.16_PM.png 
  6055   Wed Nov 30 22:09:20 2011 ZachUpdateRF Systemsome final EOM stabilization effortsFirst, things that were done:

    I was troubled by the
odd-looking noise in the EOM temperature
 EOM_temp_stab_and_unstab_new_11_30_11.pdf11MHz_wandwo_ctrl_and_adc_noise_11_30_11.pdf 
  6059   Thu Dec 1 12:27:51 2011 ZachMetaphysicsRF SystemRAM diagnosis/suppression plan?It seems like there is some confusion---or
disagreement---amongst the lab about how
  
  6069   Mon Dec 5 09:46:21 2011 ZachMetaphysicsRF SystemRAM diagnosis/suppression plan?Since no
one has made any comments
  
  6087   Thu Dec 8 01:26:31 2011 ZachUpdateRF SystemEOM temp sensor modifiedI
have modified the EOM temperature sensor
 100k_thermistor_response.pngRAM_with_temp.png 
  6088   Thu Dec 8 11:59:53 2011 ZachUpdateRF Systemfringing indeedHere is a trend of 11 & 55 I&Q,
along with the EOM temperature and PSL RMTEMP
signals. 
 RAM_with_temp_overnight.png 
  6101   Fri Dec 9 20:03:57 2011 ZachUpdateRF SystemLots of current used in Rich's demod boxD0902745-v5 (probably
the AP1053's):
 Screen_shot_2011-12-09_at_8.00.54_PM.png 
  6113   Tue Dec 13 16:31:40 2011 ZachUpdateIOOPSL beam realigned into MCThe
MC coupling had become re-shittified. As
  
  6116   Wed Dec 14 12:18:11 2011 ZachUpdateRF Systemheater reengagedI
reengaged the heater this morning, to compare
 heater_reengaged_12_14_11.png 
  6121   Wed Dec 14 16:19:46 2011 ZachUpdateRF SystemLO for new demod boxI'm not sure I agree with your conversions,
BUT:
The IQ boards use a PE4140, fancy
  
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