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  40m Log, Page 344 of 344  Not logged in ELOG logo
ID Dateup Author Type Category Subject Text Attachments
  17305   Wed Nov 23 16:34:33 2022 KojiUpdateCDSNew donatella testingLet's use this entry to list of the
test results of new donatella.


Firefox
  
  17306   Wed Nov 23 17:12:34 2022 RadhikaUpdateALSXARM green laser lock debuggingI tested the mixer by feeding it a 300
kHz signal sourced from a Moku:Go. I kept
the LO input the same - 231.25 kHz from
  
  17307   Wed Nov 23 17:21:44 2022 JCUpdateVACInterlocks may have been tripped due to N2 pressure loss[Paco, JC]

While changing out one of the N2
tanks today, one of the fitting stripped.
 Screen_Shot_2022-11-23_at_5.22.57_PM.pngScreen_Shot_2022-11-23_at_5.23.09_PM.png 
  17308   Wed Nov 23 17:28:39 2022 YehonathanUpdateBHDSome more calculationsFields at the BHD BS. More on this later.  Fields_at_BHDBS.pdf 
  17309   Wed Nov 23 20:58:23 2022 yutaSummaryBHDBHD_DIFF sensitivity to BS dither with MICH Offset with different BH55 demodulation phases[Anchal, Paco, Yuta]

Attachment #1 is the same plot as 
 BHDIFF_rand_SensvsMICHOffset_pydemod.pdfBHDIFF_rand_SensvsMICHOffset_pydemod_NoMICHinBH55Q.pdfBHDIFF_rand_SensvsMICHOffset_pydemod_BH55at70deg.pdfMICHBHD_BH55.pdf 
  17310   Thu Nov 24 11:23:35 2022 AnchalUpdateSUSLow noise stateI've turned off HEPA fan and all lights
at
PST: 2022-11-24 11:23:59.509949 PST
  
  17311   Thu Nov 24 15:37:45 2022 AnchalUpdateASCIMC WFS output matrix diagonalization effortI tried following the steps and the method
I was using converged to same output matrix
upto 2 decimal points but there is still
 WFS_Step_DCResponses_Offsets_Marked.png 
  17312   Fri Nov 25 12:15:46 2022 AnchalUpdateVACVacuum Gate valves restoredI came today to find that PSL shutter was
closed. I orginially thought some shimmer
obersvations are underway in the quiet state.
 Screenshot_2022-11-25_12-29-23.png 
  17313   Fri Nov 25 15:35:23 2022 AnchalUpdateSUSLow noise stateTurned off HEPA at:

PST: 2022-11-25 15:34:55.683645
PST
  
  17314   Sun Nov 27 15:30:22 2022 ChrisUpdateOptimal ControlIMC alignment controller testingFive more mode cleaner alignment controllers
were tested this morning (remotely). These
were designed to run in tandem with the standard
  
  17315   Mon Nov 28 11:15:23 2022 AnchalUpdateCDSFront ends DAC Kill (DK) got activated; restored FEs[Anchal, Paco, Yehonathan, JC]

Last night at 9:15 pm PST (Nov
27th, 2022) some kind of disruption happened
 FE_State_Word_Changes.png 
  17316   Mon Nov 28 11:21:25 2022 JCUpdatePSLPMC input beam alignmentC1:PSL-PMC_PMCTRANSPD was increased from
0.72 to 0.731
 Screenshot_from_2022-11-28_11-20-31.png 
  17317   Mon Nov 28 16:53:22 2022 AnchalSummaryBHDF2A filters on LO1 LO2 AS1 and AS4[Paco, Anchal]

I changed the script in /opt/rtcds/caltech/c1/Git/40m/scripts/SUS/outMatFilters/createF2Afilters.py
  
  17318   Mon Nov 28 16:58:20 2022 PacoUpdateCDSpypi package added[Paco, Tega]

I added the pypi package "restoreEpics"
  
  17319   Mon Nov 28 18:21:50 2022 PacoSummaryBHDBH44 prepI checked the LSC rack to evaluate what
we might need to generate 44 MHz rf in the
hypothetical case we go from BH55 to BH44
  
  17320   Mon Nov 28 20:14:27 2022 AnchalUpdateASCAS WFS proposed path to IMC WFS headsIn Attachment 1, I give a plan for the
proposed path of AS beam into the IMC WFS
heads to use them temporarily as AS WFS.
 F5B115E5-885F-463C-9645-BB2EB73B6144_1_201_a.jpeg 
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