Intra-cavity decomposition of a dual-directional laser beam

Darryl Naidoo; Andrew Forbes; Kamel Aït-Ameur; Michael Fromager

doi:10.1117/12.876855

18 February 2011 Intra-cavity decomposition of a dual-directional laser beam

Darryl Naidoo, Andrew Forbes, Kamel Aït-Ameur, Michael Fromager

Proceedings Volume 7913, Laser Resonators and Beam Control XIII; 79131F (2011) https://doi.org/10.1117/12.876855
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

A method of decomposing a dual-directional laser beam into a forward propagating field and a backward propagating field for an apertured plano-concave cavity is presented. An intra-cavity aperture is a simple method of laser beam shaping as higher-order transverse modes are discriminated. Two fundamental resonator theories, namely, Fox-Li and Laguerre-Gaussian decomposition are used in the determination of the respective beam profiles at a specific plane. A preliminary set-up is characterized for Gaussian propagation in an attempt to verify that the cavity is viable. A comparison of experimental data with the theories is presented.

Citation Download Citation

Darryl Naidoo, Andrew Forbes, Kamel Aït-Ameur, and Michael Fromager "Intra-cavity decomposition of a dual-directional laser beam", Proc. SPIE 7913, Laser Resonators and Beam Control XIII, 79131F (18 February 2011); https://doi.org/10.1117/12.876855

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