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Proceedings Paper

Self-imaging laser resonators using the Talbot effect
Author(s): Michel Piche; Philippe Godin; Pierre-Andre Belanger
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Paper Abstract

Open laser resonators based on the self-imaging property of periodic fields (the Talbot effect) are studied theoretically and experimentally. Numerical simulations in one-dimensional cartesian geometry have revealed that the fundamental mode losses in such resonators decrease as the number of periods is increased. Convergence to a fundamental mode takes place in a few round-trips (< 10) with a moderate number of periods (< 20). Experimental tests with a TEA-CO2 laser have verified the periodic and self-imaging properties of the emitted field. An equivalent self-imaging configuration for cylindrical symmetry is proposed.

Paper Details

Date Published: 1 June 1990
PDF: 9 pages
Proc. SPIE 1224, Optical Resonators, (1 June 1990);
Show Author Affiliations
Michel Piche, Univ. Laval (Canada)
Philippe Godin, Univ. Laval (Canada)
Pierre-Andre Belanger, Univ. Laval (Canada)

Published in SPIE Proceedings Vol. 1224:
Optical Resonators
Dale A. Holmes, Editor(s)

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