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

Resonators

Oscillators

Monochromatic aberrations

Birefringence

Output couplers

Transmission electron microscopy

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