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Proceedings Article

Intra-cavity decomposition of a dual-directional laser beam

[+] Author Affiliations
Darryl Naidoo, Andrew Forbes

Council for Scientific and Industrial Research (South Africa) and Univ. of KwaZulu-Natal (South Africa)

Kamel Aït-Ameur, Michael Fromager

Ecole Nationale Supérieure d'Ingenieurs de Caen et Ctr. de Recherche (France)

Proc. SPIE 7913, Laser Resonators and Beam Control XIII, 79131F (February 18, 2011); doi:10.1117/12.876855
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From Conference Volume 7913

  • Laser Resonators and Beam Control XIII
  • Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko
  • San Francisco, California, USA | January 22, 2011

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.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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 (February 18, 2011); doi:10.1117/12.876855; http://dx.doi.org/10.1117/12.876855


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