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

Steven M. Jackel; Inon Moshe

doi:10.1117/1.1287834

1 September 2000 Adaptive compensation of lower order thermal aberrations in concave-convex power oscillators under variable pump conditions

Steven M. Jackel, Inon Moshe

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Optical Engineering, Vol. 39, Issue 9, (September 2000). https://doi.org/10.1117/1.1287834

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.

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Steven M. Jackel and Inon Moshe "Adaptive compensation of lower order thermal aberrations in concave-convex power oscillators under variable pump conditions," Optical Engineering 39(9), (1 September 2000). https://doi.org/10.1117/1.1287834

Published: 1 September 2000

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