Transverse mode selectivity of the Gaussian mirror in hollow-waveguide lasers

Piotr Witonski; Pawel Szczepanski

doi:10.1117/12.354973

19 July 1999 Transverse mode selectivity of the Gaussian mirror in hollow-waveguide lasers

Piotr Witonski, Pawel Szczepanski

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354973
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

In this paper we analyze the losses in coupling radiation from the guide into the free-space and back, for waveguide laser resonator with Gaussian mirror. The laser characteristics showing the behavior of the total coupling coefficient, as a function of the curvature radius, Gaussian parameter and position of the Gaussian mirror are discussed. It is shown that for moderate values of the Gaussian parameter the Gaussian mirror provides transverse mode selectivity in hollow-waveguide structure and minimal coupling losses are obtained for the fundamental laser mode.

Citation Download Citation

Piotr Witonski and Pawel Szczepanski "Transverse mode selectivity of the Gaussian mirror in hollow-waveguide lasers", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354973

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