24 March 1989 Optical Resonators For High Power Lasers
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Proceedings Volume 1021, High Power Solid State Lasers; (1989) https://doi.org/10.1117/12.950078
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany
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.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
N. Hodgson, N. Hodgson, } "Optical Resonators For High Power Lasers", Proc. SPIE 1021, High Power Solid State Lasers, (24 March 1989); doi: 10.1117/12.950078; https://doi.org/10.1117/12.950078
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