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Optical Engineering

Adaptive compensation of lower order thermal aberrations in concave-convex power oscillators under variable pump conditions
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Paper Abstract

A Nd:Cr:GSGG concave-convex power oscillator was developed that utilized both an adaptive mirror comprised of spherical and cylindrical optical elements together with a Faraday rotator to dynamically eliminate lower order aberrations (thermal focusing, astigmatism, and bipolar focusing). An adaptively controlled collimating lens corrected for shifts in the mode-waist position. The addition of a polarizer and a reentrant mirror totally eliminated thermal birefringence losses. The techniques developed are attractive in any solid state laser that must work under changing pump power conditions.

Paper Details

Date Published: 1 September 2000
PDF: 8 pages
Opt. Eng. 39(9) doi: 10.1117/1.1287834
Published in: Optical Engineering Volume 39, Issue 9
Show Author Affiliations
Steven M. Jackel, Soreq Nuclear Research Ctr. (Israel)
Inon Moshe, Soreq Nuclear Research Ctr. (Israel)

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