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Proceedings Paper

Optical Resonators For High Power Lasers
Author(s): N. Hodgson
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Paper Abstract

Extraction efficiency, beam quality, misalignment sensitivity and thermal lensing of stable and unstable resonators were investigated, both experimentally and theoretically. The theoretical description was based on a model combining diffraction theory with the amplification of the electric field inside the active medium. Saturation effects on mode vo-lume and losses are discussed. Experiments were performed with a pulsed Nd:YAG system. A detailed comparison of the two kind of resonators, indicates several advantages of the unstable one, such as low misalignment sensitivity and high far-field brightness. Furthermore, several methods of improving the beam quality of unstable resonators were investigated.

Paper Details

Date Published: 24 March 1989
PDF: 12 pages
Proc. SPIE 1021, High Power Solid State Lasers, (24 March 1989); doi: 10.1117/12.950078
Show Author Affiliations
N. Hodgson, Technische Universitat Berlin (FRG)

Published in SPIE Proceedings Vol. 1021:
High Power Solid State Lasers
Horst Weber, Editor(s)

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