Difference between revisions of "Light Guide"

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(Light Collection Studies Using PS Test Setup)
 
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Below is an image of the new 18mm light guide attached to one of the HA4125 PMTs.  The joint was made with DYMAX 3094 UV curing glue.  
 
Below is an image of the new 18mm light guide attached to one of the HA4125 PMTs.  The joint was made with DYMAX 3094 UV curing glue.  
  
[[File:PMT_with_Light_Guide.JPG]]
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[[File:PMT_with_Light_Guide.JPG|400px]]]
  
 
Using the spectrometer in the ARC building we were able to produce transmission curves for the new light guides.
 
Using the spectrometer in the ARC building we were able to produce transmission curves for the new light guides.
  
[[File:Light_Guide_Comparison_V2.PNG|800px]]
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[[File:Light_Guide_Comparison_V2.PNG|400px]]
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=== Light Collection Studies Using PS Test Setup ===
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::[https://logbooks.jlab.org/entry/3753220 Light guides unwrapped / wrapped with ESR, optical grease versus Silicon cookie]
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::[https://logbooks.jlab.org/entry/3755358 Silicon cookie, continued]
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::[https://logbooks.jlab.org/entry/3769748 Light guides with larger diameter]
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=== Docs ===
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*[https://halldweb.jlab.org/detectors/fcal2/light_guides/cookie_pep.pdf Light-pipe optical joints made from silicone disks (PEP) ]
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*[https://halldweb.jlab.org/detectors/fcal2/light_guides/Li_2014_J._Inst._9_P07012.pdf  Optical characterization of RTV615 silicone rubber compound]

Latest revision as of 20:34, 9 February 2020

Results of Preliminary Transmission Tests of the new Light Guides

Below is an image of the new 18mm light guide attached to one of the HA4125 PMTs. The joint was made with DYMAX 3094 UV curing glue.

PMT with Light Guide.JPG]

Using the spectrometer in the ARC building we were able to produce transmission curves for the new light guides.

Light Guide Comparison V2.PNG

Light Collection Studies Using PS Test Setup

Light guides unwrapped / wrapped with ESR, optical grease versus Silicon cookie
Silicon cookie, continued
Light guides with larger diameter

Docs