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Proceedings Paper

Physical optics modeling of intracavity thermal distortions in solid state laser resonators
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Paper Abstract

Laser resonators are very sensitive to intra-cavity losses and instabilities. When high power extraction is required, thermal distortions introduced from pumping the active medium cause the resonator to become unstable. We model these effects, and find a closed form solution to the wavefront change, as a function of time. Using physical optics modeling methods, we show that diffractive effects are needed to explain the onset of optical damage, and derive an analytical equation that describes the compensation of the resonator instabilities in real time for damage minimization.

Paper Details

Date Published: 4 September 2002
PDF: 11 pages
Proc. SPIE 4768, Novel Optical Systems Design and Optimization V, (4 September 2002); doi: 10.1117/12.482189
Show Author Affiliations
Andrew Forbes, Scientific Development and Integration Ltd. (South Africa)
Lourens R. Botha, Scientific Development and Integration Ltd. (South Africa)


Published in SPIE Proceedings Vol. 4768:
Novel Optical Systems Design and Optimization V
Jose M. Sasian; R. John Koshel, Editor(s)

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