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Title: Optical absorption measurement system

Abstract

The system of the present invention contemplates a non-intrusive method for measuring the temperature rise of optical elements under high laser power optical loading to determine the absorption coefficient. The method comprises irradiating the optical element with a high average power laser beam, viewing the optical element with an infrared camera to determine the temperature across the optical element and calculating the absorption of the optical element from the temperature.

Inventors:
 [1];  [2];  [3];  [1]
+ Show Inventor Affiliations
  1. Livermore, CA
  2. San Diego, CA
  3. Pleasanton, CA
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
OSTI Identifier:
867114
Patent Number(s):
4868768
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
optical; absorption; measurement; contemplates; non-intrusive; method; measuring; temperature; rise; elements; laser; power; loading; determine; coefficient; comprises; irradiating; element; average; beam; viewing; infrared; camera; calculating; optical absorption; optical element; optical elements; method comprises; laser beam; average power; power laser; absorption coefficient; laser power; method comprise; comprises irradiating; temperature rise; absorption measurement; power optical; /702/250/356/

Citation Formats

Draggoo, Vaughn G, Morton, Richard G, Sawicki, Richard H, and Bissinger, Horst D. Optical absorption measurement system. United States: N. p., 1989. Web.
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Draggoo, Vaughn G, Morton, Richard G, Sawicki, Richard H, & Bissinger, Horst D. Optical absorption measurement system. United States.
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Draggoo, Vaughn G, Morton, Richard G, Sawicki, Richard H, and Bissinger, Horst D. Sun . "Optical absorption measurement system". United States. https://www.osti.gov/servlets/purl/867114.
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@article{osti_867114,
title = {Optical absorption measurement system},
author = {Draggoo, Vaughn G and Morton, Richard G and Sawicki, Richard H and Bissinger, Horst D},
abstractNote = {The system of the present invention contemplates a non-intrusive method for measuring the temperature rise of optical elements under high laser power optical loading to determine the absorption coefficient. The method comprises irradiating the optical element with a high average power laser beam, viewing the optical element with an infrared camera to determine the temperature across the optical element and calculating the absorption of the optical element from the temperature.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {1}
}
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