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Proceedings Paper

Intra-cavity flat-top beam generation
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Paper Abstract

In this paper we present the analytical and numerical analyses of two new resonator systems for generating flat-top-like beams. Both approaches lead to closed form expressions for the required cavity optics, but differ substantially in the design technique, with the first based on reverse propagation of a flattened Gaussian beam, and the second a metamorphosis of a Gaussian field into a flat-top beam. We show that both have good convergence properties, and result in the desired stable mode.

Paper Details

Date Published: 21 August 2009
PDF: 11 pages
Proc. SPIE 7430, Laser Beam Shaping X, 74300M (21 August 2009); doi: 10.1117/12.827958
Show Author Affiliations
Igor A. Litvin, CSIR National Laser Ctr. (South Africa)
Univ. of Stellenbosch (South Africa)
Andrew Forbes, CSIR National Laser Ctr. (South Africa)
Univ. of KwaZulu-Natal (South Africa)


Published in SPIE Proceedings Vol. 7430:
Laser Beam Shaping X
Andrew Forbes; Todd E. Lizotte, Editor(s)

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