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Optical Engineering

Damage Resistance Of CO2 Fusion Laser Optics
Author(s): Brian E. Newnam; Dennis H. Gill
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Paper Abstract

We review the magnitudes of the damage thresholds of practical optical materials, surfaces, and coatings found useful in short-pulse CO2 fusion lasers and discuss the materials properties and laser parameters that affect the thresholds. The optics used in the eight-beam, 10-kilojoule, 20-terawatt, Helios system at Los Alamos are used as specific examples. Among the optical components that characterize the Helios system are NaCl windows up to 41 cm in diameter, diamond-turned copper mirrors of similar size, CdTe Pockels cell crystals, germanium saturable absorbers and polarizer plates and multilayer-coated ZnSe partial reflectors.

Paper Details

Date Published: 1 December 1979
PDF: 7 pages
Opt. Eng. 18(6) doi: 10.1117/12.7972438
Published in: Optical Engineering Volume 18, Issue 6
Show Author Affiliations
Brian E. Newnam, University of California (United States)
Dennis H. Gill, University of California (United States)


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