Self-imaging laser resonators using the Talbot effect

Michel Piche; Philippe Godin; Pierre-Andre Belanger

doi:10.1117/12.18447

1 June 1990 Self-imaging laser resonators using the Talbot effect

Michel Piche, Philippe Godin, Pierre-Andre Belanger

Proceedings Volume 1224, Optical Resonators; (1990) https://doi.org/10.1117/12.18447
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

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.

Citation Download Citation

Michel Piche, Philippe Godin, and Pierre-Andre Belanger "Self-imaging laser resonators using the Talbot effect", Proc. SPIE 1224, Optical Resonators, (1 June 1990); https://doi.org/10.1117/12.18447

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