40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  Mariner elog, Page 2 of 2  Not logged in ELOG logo
ID Date Authorup Type Category Subject Text Attachments
  33   Fri Oct 1 11:52:06 2021 PacoGeneralDesign specsHR coating emissivity[Paco, Nina, Aidan]

Updated the stack emissivity code
to use the Kitamura paper fused silica dispersion
 ETM_210409_120913_emissivity.pdfinterpolated_n_k.pdf 
  34   Fri Oct 1 12:01:24 2021 PacoGeneralDesign specsTM Barrel coating emissivity[Paco, Nina, Aidan]

We ran our stack emissivity calculation
on different AR stacks to try and make a
 stack_1.pdfstack_2.pdfstack_3.pdfinterpolated_n_k.pdf 
  36   Fri Oct 1 14:11:23 2021 PacoGeneralDesign specsTM Barrel coating emissivityAgree with this.
Quickly running tmm on the same "stacks"
gave the Attachment #1-3. (Ignore the
 stack_1.pdfstack_2.pdfstack_3.pdf 
  47   Fri Nov 5 11:51:50 2021 PacoGeneralDesign specsEstimate of in-air absorption near 2.05 um[Paco]

I used the HITRAN database to download
the set of ro-vibrational absorption lines
 HITRAN_line_strenghts.pdfbroadened_spectrum.pdfPP_broadened_spectrum.pdf 
  48   Tue Nov 16 11:47:54 2021 PacoGeneralDesign specsEstimate of in-air absorption near 2.05 um[Paco]

There was an error in the last
plot of the previous log. This was correctly
 PP_broadened_spectrum.pdf 
  67   Mon Jul 18 18:34:29 2022 PacoGeneralDesign specsHR coating updateI've been running the HR coating optimization
for mariner TMs. Relative to the specifications
found here
 ETM_R.pdfITM_R.pdfETM_Layers.pdfITM_Layers.pdf 
  68   Fri Jul 22 13:36:55 2022 PacoGeneralDesign specsHR coating updateHere are some corner plots to analyze the
sensitivity of the designs in the previous
elog to a 1% gaussian
 ETM_corner.pdfITM_corner.pdf 
  30   Fri Sep 24 13:12:00 2021 RadhikaGeneralHeat LoadMariner cooldown model status + next steps*Note: the current modeling script can
be found at: CryoEngineering/MarinerCooldownEstimation.ipynb

Nina pointed me to the current
  
  32   Wed Sep 29 16:15:19 2021 RadhikaGeneralHeat LoadMariner cooldown model status + next stepsAttachment 1 is a geometric diagram that
reflects the current state of the ITM cooldown
model, introduced in [30].
 Heat_Load_Sketch_geometry.pdfHeat_Load_Sketch_diagram.pdfheating_cooling_P_vs_T.pdfCooldownTM_radiative.pdf 
  37   Tue Oct 5 17:46:14 2021 RadhikaGeneralHeat LoadMariner cooldown model status + next stepsBuilding on [32],
I added a copper cold finger to conductively
cool the inner shield, instead of holding
 Heat_Load_Sketch_all.pdfVaryingISA.pdfCooldownTM.pdf 
  42   Fri Oct 15 13:45:55 2021 RadhikaGeneralHeat LoadMariner cooldown model status + next stepsI used the same model in [37]
to consider how test mass length affects
the cooldown. Attachment 1 plots the curves
 VaryingTMl.pdf 
  43   Fri Oct 15 14:31:15 2021 RadhikaGeneralHeat LoadMariner cooldown model status + next stepsI reran the cooldown model, setting the
emissivity of the inner surface of the inner
shield to 0.7 (coating), and the emissivity
 VaryingISA.pdfVaryingTMl.pdf 
  3   Fri Jun 5 11:13:50 2020 RaymondGeneralHeat LoadSteady state heat load exampleAttached is a cartoon partial view into
the heat load experienced by the Mariner
assembly.
 Heat_Load_Sketch.pdf 
  2   Thu May 21 12:10:03 2020 StephenGeneralResourcesOngoing Mariner ResourcesOngoing points of updates/content (list
to be maintained and added)
Mariner
  
  5   Fri Mar 5 11:05:13 2021 StephenGeneralDesign specsFeasibility of 6" optic size in CAD6" vs 4" optic size comparison
using CAD - worth hopping into the 3D geometry
using the link below, but also posting a
 4in_from_20210305_easm.png6in_from_20210305_easm.png 
  13   Fri May 7 09:57:18 2021 StephenGeneralEquipmentOverall Dimensions for Mariner Suspension Test Chamber ConceptKoji, Stephen

Putting together Koji's design
work with Stephen's CAD, we consider
 mariner_suspension_test_chamber_concept.jpg 
  17   Wed Jun 30 16:21:53 2021 StephenGeneralDesign specs [Stephen, Koji]

WIP - check layout of 60 cm suspension
in chamber at 40m, will report here
  
  18   Wed Jul 7 16:32:27 2021 StephenGeneralEquipmentOverall Dimensions for Mariner Suspension Test Chamber ConceptWIP - Stephen to check on new suspension
dimensions and fit into 40m chamber
  
  23   Thu Aug 26 17:40:41 2021 StephenGeneralSuspensionSelecting MOS-style frame[Koji, Stephen]

Kind of a silly post, and not very
scientific, but we are sticking to it. During
 no_sos_cad_screenshot.pngvault_check_in_of_mariner_suspension_cad.png 
  38   Mon Oct 11 15:22:18 2021 YehonathanGeneralGeneralMicrocomb alternativesFollowing our discussion at the Friday
JC meeting, I gathered several resources
and made a small simulation to show how frequency
 ELMO_specs.pngHNLF_specs.pngSimulationResults1.pngSimulationResults3.png 
  7   Wed Mar 17 21:24:27 2021 gautamGeneralDesign specsSilicon TM dichroic coatings for phase II guess you have tried it already - but
does enforcing the stacks to be repeating
bilayer pairs of the same thickness fail
  
  31   Mon Sep 27 17:01:53 2021 ranaGeneralHeat LoadMariner cooldown model status + next stepsHow
about a diagram so that we can understand
  
  52   Tue May 10 18:29:11 2022 ranaGeneralSuspensionMariner Suspension Cryo shield Install / Removal steps    
  60   Thu Jul 7 15:20:04 2022 ranaGeneralOptical Contactingsome useful linksFor our optical contacting, Jennifer and
I are starting out with glass (microscope
slides), with the setup in the EE shop next
  
ELOG V3.1.3-