ligo-ex ligo-ds
  Richardson Lab Experimental Log, Page 8 of 10  Not logged in ELOG logo
ID Datedown Author Type Category Subject Text Attachments
  120   Tue Jun 13 10:28:50 2023 PamellaUpdateGeneralWiped and bagged the heating and cords.[Pamella]


    Cleaning the heater
system parts.
    09:13 am: Started
wiping the last parts for the heater system
 heater_cords_wiped.jpg 
  119   Mon Jun 12 18:52:00 2023 PamellaUpdateGeneralHeater system parts - Wiped and bagged[Pamella]
  Cleaning the heater system
parts.
 04:32 pm: Started wiping the
heater system parts.  
 06:38 pm:
 heater_equipment_wiped.jpg 
  118   Mon Jun 12 12:15:10 2023 PamellaUpdateFLIRFLIR- Take data in the closest point.[Pamella]

 Used the closest point
possible for the reflector in front of the
FLIR camera. 
11:32 am : Turned
 AcquisitionImage(Jun-12-2023_12_04).jpg 
  117   Thu Jun 8 14:51:58 2023 PamellaUpdateFLIRFLIR- Distance[Pamella, Tyler]


 Today we change
the distance between the FLIR camera and
reflector (3D-Mask with mirrors and light).
 AcquisitionImage(Jun-08-2023_14_33).jpgthumbnail_IMG_7441.jpg 
  116   Tue Jun 6 16:15:09 2023 PeterUpdateVLC UpdateLaunch Optics for Visible Light CavityI assembled the first few components of the
launch optics for the visible light cavity.
Below is an image of the current table configuration,
 IMG-0882.jpgIMG-0883.jpg 
  115   Tue Jun 6 16:04:46 2023 AidenUpdateGeneralWaterAiden went and refilled the de-ionized water
to continue clean and bake batches.
  
  114   Fri Jun 2 14:28:40 2023 PamellaUpdateFLIRFLIR project - Test without the black wall.[Pamella]

    
Test without the black
wall. 

    Note: So today i collected
data for some positions in axis Y (height)
 1Axis_y___tests.jpg 
  113   Thu Jun 1 14:41:36 2023 PamellaUpdateFLIRFLIR project - Test without the black wall.[Pamella]


Test without the black
wall.
 General test:.

11:15 am : Started running the code. Parameters:
 thumbnail_IMG_7316.jpgAcquisitionImage(Jun-01-2023_14_14).jpgthumbnail_IMG_7320.jpg 
  112   Wed May 31 16:55:55 2023 PamellaUpdateFLIRFLIR- Focus distance[Pamella and Tyler]

We changed
the FLIR Focus Distance for around 0.55 m.
Note:
The old focus distance was 1.3 m.

We
 AcquisitionImage(May-31-2023_16_40).jpgthumbnail_IMG_7310.jpg 
  111   Wed May 31 16:18:41 2023 AidenSummaryGeneralMock FROSTIFinished assembly on the Mock FROSTI so it
is ready for the fit test at LIGO lab.
 IMG_4394.jpg 
  110   Wed May 31 12:16:28 2023 ShaneUpdateCleanroomcleanroom particle counts (full 5 zone measurement)Attached is the full 5 zone particle measurement
for the cleanroom after this week's cleaning,
5/31/23.
 23.png 
  109   Wed May 31 11:42:16 2023 Pamella, Julian and ShaneUpdateGeneralCleaning room and particle count[Pamella, Shane and Julian]


 Cleaning
room and particle count 


 09:58 am: Started the particle count
  
  108   Tue May 30 14:51:27 2023 PamellaUpdateFLIRNew 3D mask - Bigger triangles shapes.[Pamella]

 Change the 3D mask 

Started removing the old mask in the reflector.

Started cutting the new aluminum lid for
 AcquisitionImage(May-30-2023_14_38).jpgthumbnail_IMG-7303.jpg 
  107   Wed May 24 14:28:26 2023 PeterUpdateVLC ElectronicsLaser intensity/polarization drift measurementsI went in and took polarization drift data
for 16 hours. The run started at 6:08pm and
finished at 9:15am the next day. The four
 Time_Series_Trial_7_16hrs.pngPower_vs_Time_16hrs.pngPolar_angle_vs_time_16hrs.pngRel_Intens_vs_time_16hrs.png 
  106   Wed May 24 14:06:27 2023 PamellaUpdateFLIRFLIR project - Tests[Pamella]


 Initial tests 

10:30 am : Started trying take some test
with the new position/configuration between
 AcquisitionImage(May-24-2023_10_50).jpgthumbnail_IMG-7146.jpgAcquisitionImage(May-24-2023_14_30).jpg 
  105   Tue May 23 16:52:56 2023 PamellaUpdateFLIRFLIR project - Reinstalling the mask and Reconfiguration FLIR position.[Pamella]


 Reinstalling the mask
and Reconfiguration FLIR position.

Today i change the aluminum foil inside the
 AcquisitionImage(May-23-2023_16_36).jpgReconfiguration.jpg 
  104   Mon May 22 17:08:50 2023 PamellaUpdateFLIRFLIR project - Installing the mask.[Pamella]



 The new mask
for the reflector.  


 1:40
pm: Started reconfiguration on the FLIR camera
 Mask.jpgAcquisitionImage(May-22-2023_16_35).jpgAcquisitionImage(May-22-2023_16_01).jpg 
  102   Mon May 22 16:43:28 2023 PeterUpdateVLC ElectronicsLaser intensity/polarization drift measurementsIn order to fully analyze the polarization
data taken last Thursday, I needed to convert
the signal output (which is in volts) to
 S-P_Polarization_Diagram.svgPolar_angle_vs_time.pngRel_Intens_vs_time.png 
  101   Thu May 18 14:07:08 2023 PeterUpdateVLC Update532nm Intensity MeasurementI figured out a method in which to capture
power measurements including the initial
seconds in which the beam is first turned
 Time_Series_Trial_4.pngTime_Series_Trial_5_2hrs.png 
  100   Wed May 17 12:18:08 2023 Pamella, Julian and Shane UpdateGeneralCleaning room and particle count[Pamella, Julian and Shane]



Particle
count: 
  10 am: Started particle count


 Zone 3 :

  
  99   Tue May 16 11:56:33 2023 PeterUpdateVLC Electronics532nm Intensity MeasurementWith the configuration the exact same as before,
I used the Jupyter notebook in the red pitaya's
development package to collect data from
 Time_Series_Trial_3.png 
  98   Sun May 14 15:50:48 2023 CaoInfrastructureComputersHigh resolution display of logrus machine[Cao]

 
The display resolution of the
logrus has been 1064x768 and has been the
only option, which is not great. While remote
  
  97   Fri May 12 20:28:34 2023 Aiden, CaoPhysicsVACVacuum chamber Helium leak test [Aiden, Cao] 

 
 1. Helium leak test 


2:00 pm: Uninstall regulator from nitrogen
 PXL_20230512_211717602.jpgArLeak_230512.png 
  96   Wed May 10 10:49:34 2023 AidenUpdateGeneralRGA Software[Aiden, Cao]

Went over how to use the RGA
software, how to change the graph units,
scaling and mass detection. Also went over
  
  95   Tue May 9 20:55:12 2023 JonInfrastructureVACCalibrated Ar leak rateFor future reference, the calibrated Argon
source has a leak rate of 7.55E-8
atm cc/s, or equivalently 
 VTI-Calibrated-Ar-Leak.jpeg 
  94   Tue May 9 15:49:20 2023 JonInfrastructureVACPermanent cable routingToday I brought in a fresh supply of zip
ties (we now have 1500 in the tool chest)
and used them to permanentize the cable routing
  
  93   Mon May 8 12:00:03 2023 Pamella, Shane, JulianUpdateGeneralCleanroom particle counts and cleaning the cleanroom.[Pamella,Julian, Shane]


Today we
cleaned the clean-room (floor, surfaces)
and particle count.



10:00
  
  92   Thu May 4 14:01:10 2023 PeterUpdateVLC Electronics532nm Intensity MeasurementI adjusted the rotational mount of the wave
plate to see if the power can be 100% coupled
into either S or P polarization. The images
 graphs(3).jpggraphs(2).jpg 
  91   Wed May 3 19:03:47 2023 Julian,Pamella and CaoPhysicsVACModify vacuum asssembly and install RGA[Pamella, Julian, Cao]

   Today we
started re-configuring the vacuum chamber
components. 

 Particle count
 vaccum_chamber_re-configuration.jpg 
  90   Tue May 2 17:03:14 2023 Jon, CaoPhysicsVACFirst pump-down test of vacuum chamber [Jon, Cao] 

  1. Re-routing of cables 
 PXL_20230502_203343616.jpgPXL_20230502_210234897.MP.jpg 
  89   Tue May 2 15:55:33 2023 PeterUpdateVLC Electronics532nm Intensity MeasurementI changed the 1/2 wave plate from the lens
mount to the rotational optic mount. This
allowed me to rotate the 1/2 wave plate,
 IMG-0221.jpgIMG-0222.jpggraphs(1).jpgTime_Series_Trial_2.png 
  88   Mon May 1 18:56:57 2023 PeterUpdateVLC Electronics532nm Intensity MeasurementI've configured the two PDA's to the Red Pitaya.
I put a 50 ohm resistor connector to each
red pitaya input port. This was because the
 graphs.jpgTime_Series_Trial_1.png 
  87   Mon May 1 17:10:25 2023 Julian, CaoPhysicsVACInstalling Pirani gauge and RGA probe onto to vacuum chamber [Julian, Cao] 



 03:00 pm: Particle
count

:  Zone 3 

 PXL_20230501_225241491.jpgPXL_20230501_235854958.jpgPXL_20230501_234750795.MP.jpg 
  86   Fri Apr 28 19:39:19 2023 CaoSummaryGeneralClean and Bake Leybold TTR 91 Pirani Gauge



  
  85   Fri Apr 28 19:00:13 2023 CaoPhysicsVACTighten CF ports on vacuum chamber[Cao]

 
After Jon's comment yesterday
that some of the connection did not seem
to have good metal-metal contact, in particular
 TightenCF.png 
  84   Fri Apr 28 18:16:57 2023 CaoPhysicsVACGrounding vacuum system



  
  83   Fri Apr 28 11:21:01 2023 PeterUpdateVLC UpdateLaser intensity/polarization drift measurementsThe Digi-key cables have arrived, and I have
began implementing them in the intensity
drift measurements. 

There was a slight
 IMG-0183.jpg 
  82   Thu Apr 27 21:43:07 2023 JonPhysicsVACGrounding vacuum systemThis afternoon I made up a green 10 AWG
grounding cable and connected it to the vacuum
system.
 IMG_0141.pngIMG_0140.png 
  81   Thu Apr 27 16:23:44 2023 Cao, Pamella and JulianPhysicsVACInstalling vacuum system (cont.)
 
[Pamella, Cao and Julian, Shane]



 Particles account 

10:37 am: Starting the particles account
 IMG_0139.pngIMG_0136.png 
  80   Thu Apr 27 09:48:34 2023 AidenSummaryGeneralBatch 12 BaggingI took batch 12 out of the oven and put them
in a bag and placed the bag inside the clean
room in the first large stainless steel container.

I
 IMG_4279.jpgIMG_4278.jpg 
  79   Wed Apr 26 18:05:41 2023 Pamella, Julian, ShaneUpdateCleanroomcleanroom particle counts and cleaning log

 pre-cleaning particle counts:

  zone 3 
 
 0.3
mu: 2494

 0.5 mu: 748

 counts4_26_23.png 
  78   Tue Apr 25 11:56:37 2023 JonUpdateVLC ElectronicsRed Pataya has arrivedThe Red Pataya 125-14 starter kit that we
ordered for locking the 532 nm cavity has
arrived. I left it laying on the optical
 Red_Pataya.jpg 
  77   Mon Apr 24 17:38:45 2023 AidenSummaryGeneralClean and Bake Batch 12Today I Bagged and tagged the o-rings from
batch 11 and placed them inside the clean
room. I also cleaned batch 12 parts in liquinox
 IMG_4269.jpgIMG_4268.jpg 
  76   Fri Apr 21 16:51:26 2023 PamellaUpdateGeneralCleaning cables.Cables for the vacuum system.
 

Today i wiped, bagged and tagged two cables
for the vacuum system. I used IPA wipes for
 IMG_5416.jpeg 
  75   Fri Apr 21 15:21:18 2023 PamellaUpdateFLIR      FLIR project updates

    

01:50 pm: Starting test position 34 mm distance
to black wall. 
  Parameters :
 AcquisitionImage(Apr-21-2023_14_26).jpg 
  74   Fri Apr 21 00:06:43 2023 JonUpdateVACVacuum prep and installation - parts have arrivedThe two parts needed to complete the vacuum
assembly (ELOG
70) have arrived.
 SS_parts.png 
  73   Wed Apr 19 17:39:50 2023 PamellaUpdateFLIRFLIR project

  FLIR project updates- Initial tests




 10:00: Starting test
in position 2 cm to the black wall.
 AcquisitionImage(Apr-19-2023_10_23)(1).jpgAcquisitionImage(Apr-19-2023_10_57)_(1).jpgAcquisitionImage(Apr-19-2023_11_18)_(2).jpg 
  72   Mon Apr 17 17:06:49 2023 AidenSummaryGeneralClean and Bake batch 11Cleaned the Viton O-Ring for the main chamber
in Liquinox for 10 minutes. Then put it in
the oven to back for;

1. Ramp to 100 degC
 IMG_4262.jpg 
  71   Wed Apr 12 16:17:50 2023 shaneUpdateGeneralParticle Counter movedWith the added height of the new docking station,
the particle counter no longer fits under
the Windows monitor in the electronics rack
 IMG_6693.HEIC 
  70   Wed Apr 12 16:13:19 2023 CaoPhysicsVACVacuum prep and installationAiden, Pamella, Peter, Shane, Cao 


Today
we started vacuum chamber assembly work


10:16 am: Particle count measurement of clean
 VacAssy230412.png 
ELOG V3.1.3-7933898