ligo-ex ligo-ds
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ID Date Author Type Categorydown Subject Text Attachments
  196   Tue Aug 8 16:47:11 2023 SophiaUpdateScripts/ProgramsUpdate on Dynamic CSD and PSD PlotsWe have fixed our rapid plotting error, and
realized that this has not been affecting
our data intake! Below is a video of the
 Screen_Recording_2023-08-08_at_7.42.30_PM.movScreenshot_2023-08-08_at_2.22.50_PM.pngScreenshot_2023-08-08_at_5.16.08_PM.png 
  206   Tue Aug 15 10:35:00 2023 SophiaUpdateScripts/ProgramsUpdate on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD PlotsI have successfully added a button to my graphics,
but it has posed a strange issue with the
CSD and PSD values. When I plot my original
 Screenshot_2023-08-14_at_8.18.49_PM.pngScreenshot_2023-08-14_at_8.18.43_PM.pngScreen_Recording_2023-08-14_at_8.17.50_PM.movScreenshot_2023-08-15_at_1.24.54_PM.pngScreenshot_2023-08-15_at_1.32.30_PM.png 
  207   Tue Aug 15 13:32:37 2023 SophiaUpdateScripts/ProgramsUpdate on Laser Noise Data Collection and Analysis: Dynamic CSD and PSD PlotsI have now fixed all issues that I was having
this morning, and have added text boxes which
show the peak values of both PSD's and the
 Screenshot_2023-08-15_at_4.27.58_PM.pngScreenshot_2023-08-15_at_2.21.18_PM.pngScreenshot_2023-08-15_at_5.25.05_PM.png 
  249   Mon Oct 30 11:03:56 2023 TylerUpdateScripts/Programs 
FLIR: After some adjustments, the plot
generated from the FLIR measurements look
much more symmetric (see attachment). There
 Screenshot_2023-10-23_at_12.39.05_PM.png 
  317   Tue Feb 6 22:40:25 2024 MichaelUpdateScripts/ProgramsLong Crab 1 Design Created In GtraceWorked on and completed the python code for
the simulation of the Long Crab 1 layout
for Cosmic Explorer basing off of Pooyan's
 Long_Crab1.pnglong_crab_1_desmos.PNG 
  376   Fri Jun 14 13:32:13 2024 LiuUpdateScripts/ProgramsCOMSOL simulation on rectangular heater elements designI have been looking at the feasibility
of an alternative heater element design for
FROSTI that replaces the original ring-like
 6x 
  380   Fri Jun 21 11:47:30 2024 LiuUpdateScripts/ProgramsCOMSOL simulation on alternative straightened heater elements design In the previous post, we saw
that for the heater element design with straight
 6x 
  387   Thu Jun 27 11:09:14 2024 LiuUpdateScripts/ProgramsStraight edge STEP files and ray loss analysis Drawings and CAD models of the straight-edge
designs are exported, and are visualized
in SOLIDWORKS. Two are attached. One is a
 edge_CAD_8x2_step.PNGedge_CAD_step.PNGIrradiance_frontheater.pngIrradiance_profile.pdf 
  447   Mon Sep 23 15:11:21 2024 TylerUpdateScripts/ProgramsEffective Emissivity Analysis and RIN Update A quick update on the effective emissivity
analysis for the CIT FROSTI testing: 

 
I was able to (roughly) match
 OPD_Plot.pngTemp_emiss_plot.pngrin_photodectors.pngRIN_setup.jpg 
  521   Sun Feb 23 16:00:07 2025 Luke UpdateScripts/ProgramsRingheater modeling UpdateThese are some plots:
The first shows the convergence of
the 02 mode reducing the size of the mesh.
 mesh_convergence.pngnumerical_error_in_innerproduct_of_zernike_basis_elemets.png 
  541   Sun Mar 23 15:39:06 2025 Luke JohnsonUpdateScripts/ProgramsRingheater Location optimizationAttached are some plots that show a new parameter
sweep with a finer mesh then before. I have
also been able to get a heatmap of power
 _4-4.png_40.png02.pngHOM_power.svg 
  543   Mon Mar 31 11:26:45 2025 Luke JohnsonUpdateScripts/ProgramsHeatmaps of power delivery performance These plots show the required temperature
to release 100W of power and the efficiency
of a particular configuration with half-width
 temp_required.pngefficiency.png 
  550   Tue Apr 8 12:15:59 2025 Luke UpdateScripts/ProgramsUpdated optimization plot   HOM_scattering_w__nominal_and_min.png 
  557   Tue Apr 22 08:00:39 2025 Luke UpdateScripts/ProgramsThermal optimization modeling 40kgI have redone the width and location optimization
with a 40kg test mass. This was to see where
the nominal ring heater would fall in this
 40kg_into_HOM.png 
  561   Fri Apr 25 09:09:03 2025 Luke UpdateScripts/ProgramsUpdate to optimization plotsI have calculated the curvature of the surface
plots and created a heat map out of the data.
I have also created a contour plot of them
 HOM_scattering_100kg_modified.pngcurvature_100kg.pnginitial_contour_plot_with_hom_and_curvature.pngtemp_quality_(log10_ratio).png 
  562   Fri Apr 25 19:18:10 2025 Luke UpdateScripts/ProgramsNew optimization plotsI have created two more plots. One on the
transmitted power for a specific configuration.
This was done by taking the product of the
 effective_power.pngproximity.png 
  569   Sun May 4 18:17:45 2025 Luke UpdateScripts/ProgramsRingheater modeling UpdateSlides

I have changed some properties
of the thermal model and am re-running the
  
  575   Sun May 11 19:36:42 2025 Luke UpdateScripts/ProgramsNew optimization plotsSlides
I have re-run the optimization plots
with the changes mentioned last week. 
  
  581   Mon May 26 11:15:28 2025 LukeUpdateScripts/ProgramsUpdate to optimization plotsI have created some new optimization plots.
I have also started on a model like the previous
Desmos model, but in python. 
Slides
  
  584   Mon Jun 2 09:45:06 2025 Luke UpdateScripts/ProgramsRingheater modeling UpdateSlides
I have added some slides to my meeting
updates. The updates include: my choice in
  
  134   Tue Jun 27 14:04:42 2023 Sophia A. UpdateMeasuring Noise in InterferometerInterferometer set up and connection to red pitayaToday we (Sophia and Tyler) constructed the
set-up for the electrical noise calculation
that I will be conducting this summer. I
 IMG_6756.jpgIMG_6754.jpgIMG_6755.jpg 
  10   Wed Aug 17 16:04:30 2022 Phoebe ZylaSummaryLoreTesting the Cartridge Heater and Collecting FLIR DataWe have tested the heater to find emissivity,
mounted the heater system to the optical
table, and have taken irradiance maps of
 Screenshot_(74).pngScreenshot_(75).pngScreenshot_from_2022-08-15_11-24-40.pngAcquisitionImage(Aug-15-2022_14_16).jpg 
  274   Tue Nov 21 14:47:24 2023 TylerUpdateLore1129 Workbench Assembly Update 1
[Tyler, Shane, Mohak, Cynthia, Luke,
Michael, Luis]


Started assembly of the workbench
 IMG_7569.jpgIMG_7568.jpg 
  278   Mon Nov 27 14:22:30 2023 TylerUpdateLore1129 Assembly Update[Tyler, Michael, Luke, Cynthia]


The
tabletops have been attached to the workbench
frames. Unfortunately, one of the tabletops
 IMG_7669.jpgIMG_7668.jpg 
  281   Thu Nov 30 13:50:32 2023 TylerUpdateLoreWorkbench Assembly Completed[Tyler, Luke, Aiden]



The workbenches
are now completely assembled and put into
their final places. Additionally, the tool
 IMG_7686.jpg 
  321   Tue Feb 13 01:26:30 2024 PeterUpdateInterferometer SimulationsCARM Power SimulationsCao's simulations of the circulating power
and gouy phase through a single arm cavity
of the interferometer have been reproduced.
 Scenario_3_CARM.pdfScenario_3_CARM_Gouy.pdf 
  322   Tue Feb 13 04:05:32 2024 MichaelUpdateInterferometer SimulationsShoelaces 1 Layout Simulated in GTraceI've worked on and have completed a first
simulation of Cosmic Explorer's Shoelaces
1 layout. This is based off of Pooyan's original
 shoelaces1_dxf.JPGshoelaces1_desmos.JPG 
  324   Tue Feb 13 12:26:23 2024 TylerUpdateInterferometer SimulationsBS Code Update I reproduced Cao's CE beamsplitter code
(see below for example plots). I received
the current info on the beamsplitter parameters
 thickness1.pdfbs_opd_homloss_h6cm_w2cm.pdf 
  326   Tue Feb 13 13:02:41 2024 PooyanUpdateInterferometer SimulationsCacity sacn of Fabry-Perot Created a simple model of Fabry-Perot cavity
in SIS, and did a cavity scan. Total power
in the cavity, 00 mode, and HOMs is measured.
 IFOSim_update_2_13_24.pdf 
  334   Wed Feb 21 23:15:07 2024 MichaelUpdateInterferometer SimulationsLong Shoelaces 1 Layout Created in Gtrace and Fixed Ghosting in BeamsplitterI have created the long shoelaces 1 layout
for cosmic explorer using gtrace, a slight
modification from the shoelaces 1 layout
 long_shoelaces1_desmos.JPGAR_side_with_reflection.PNGAR_side_without_reflection.PNG 
  342   Tue Feb 27 03:26:28 2024 MichaelUpdateInterferometer SimulationsReverse aLIGO Layout Created in GtraceI've created the simulation for reverse aLIGO
layout in gtrace. Attached are the desmos
model and the output dxf file. From here
 reverse_aligo_desmos.JPGreverse_aligo_dxf.JPG 
  343   Tue Feb 27 09:06:29 2024 Cynthia UpdateInterferometer Simulationscavity scan with higher order input laserI performed a few cavity scan with the inputing
laser with a different mode (not pure 00).
For each laser I included a graph for just
 ligoPre_2_27.pdf 
  357   Sun Apr 7 13:42:51 2024 MichaelUpdateInterferometer SimulationsUpdate on status of gtrace project[Pooyan, Michael]

After meeting and
discussing the current state of our work
with Prof. Fulda a few weeks ago, we have
 Sequential_beam_trace_crab1.pngangle_of_incidence_yaml_example.png 
  358   Mon Apr 8 14:43:29 2024 PooyanUpdateInterferometer SimulationsSIS update single and coupled cavities[Pooyan, Cynthia]

Attached is a brief
recap PDF file. A video file showing separate
HOMs plots for the cavity scan with ETM08
 IFOSim_SIS__update_4_8_24.pdfScreen_Recording_2024-03-31_at_2.46.29_AM.mov 
  359   Mon Apr 8 14:57:41 2024 Cynthia, PooyanUpdateInterferometer Simulationsperformed cavity scans for O4 O5, and coupled cavity    LIGO_update_week1.pdf 
  361   Mon Apr 15 15:25:10 2024 CynthiaUpdateInterferometer Simulationsprogress on simulation so far   LIGO_update_week3_(2).pdf 
  363   Mon Apr 22 15:06:33 2024 Cynthia UpdateInterferometer Simulationscavity scan update[Cynthia,Pooyan]
Completed some simulations
injecting 0-10th order modes. Some graphs
will be used for the poster after some further
 LIGO_4_22.pdf 
  374   Mon Jun 3 14:59:44 2024 CynthiaUpdateInterferometer SimulationsCreated cavity scan with LG modes    ligo_update_6_3.pdf 
  381   Mon Jun 24 14:28:51 2024 Cynthia UpdateInterferometer SimulationsSIS cavity with thermal effecttried to run a cavity scan with thermal deformation
and ring heater for ITM04 ETM08 (aLIGO mirrors).
Not sure about the accuracy of the graph
 ETM08thermal.png 
  391   Mon Jul 1 11:45:45 2024 SidUpdateInterferometer Simulations Progress update: Most of last week was spent
getting set up with SIS, and learning how
to do basic simulations. The goal for this
  
  392   Mon Jul 1 15:19:42 2024 Cynthia UpdateInterferometer SimulationsO4 and O5 mirror cavity scans with thermal effect   cavityScan_07_01.pdf 
  393   Fri Jul 5 13:17:44 2024 LiuUpdateInterferometer SimulationsFour-quadrant FROSTI-like RH for astigmatic thermal actuation for CE opticsIn the CE corner layout design and down selection
study, interferometer layouts with large
incidence angles on some of the curved optics
 7x 
  394   Fri Jul 5 14:12:32 2024 LiuUpdateInterferometer SimulationsCE BS Mechanical ResonancesThe butterfly and drumhead mechanical modes
for the aLIGO BS were calculated in COMSOL.
The resonant frequencies for the two acoustic
 butterfly.pngdrumhead.png 
  395   Fri Jul 5 14:23:13 2024 LiuUpdateInterferometer SimulationsEngineering drawings for straight edge heater element designs for FROSTIStep files and engineering drawings for the
straight edge heater element designs have
been created in COMSOL and SolidWorks. They
  
  397   Mon Jul 8 12:26:10 2024 MichaelUpdateInterferometer SimulationsMinimizing Astigmatic Effects in the SRC of LIGOThis is the first look and analysis of the
effects of astigmatism in the aLIGO optical
layout which can lead to mode mismatch and
  
  404   Mon Jul 15 09:36:44 2024 LiuUpdateInterferometer SimulationsETM Profile Optimization for FROSTI This is to optimize the FROSTI heating
profile for ETM, by minimizing the residual
RMSE of the HR surface deformation after
 pdf_merged.pdf 
  406   Mon Jul 15 14:28:32 2024 PooyanUpdateInterferometer SimulationsaLIGO test mass surface profiles Created a Google Slides presentation to
summarize all the mirror surface map information
that we use for simulating interferometers. 
  
  408   Mon Jul 15 15:44:52 2024 Cynthia UpdateInterferometer Simulationsperformed cavity scans with thermal effects and ring heater   cavity_scan_07_15.pdf 
  409   Mon Jul 15 15:52:40 2024 MichaelUpdateInterferometer SimulationsaLIGO locking with varying SRC mirrors and measuring mode mismatch   SRC_Astigmatism_Analysis_7_15_24.pdf 
  413   Mon Jul 29 12:18:52 2024 LiuUpdateInterferometer SimulationsUpdate on FROSTI O5 ETM profile optimizationUpdate on FROSTI O5 ETM profile optimization
is attached. 
 pdf_merged.pdf 
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