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Proceedings Paper

Generation of a radially or azimuthally polarized beam by means of the w-axicon optical resonator
Author(s): Masamori Endo
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Paper Abstract

Method of direct oscillation at radially or azimuthally polarized transverse modes in an optical resonator is presented. The optical resonator consists of a w-axicon, a polarization controlling feedback axicon mirror, and a flat output coupler. The central axicon of the w-axicon is made to slide forward and backward relative to the outer axicon, that leads to the selection of the arbitrary order of the LG0±l Laguerre-Gaussian modes. By selectively suppressing the p-polarization or s-polarization of the axicon reflector, the oscillation modes are forced to the radially or azimuthally polarized. A preliminary experiment proves such a resonator is viable and numerical simulation predicts the oscillation characteristics of the proposed resonator.

Paper Details

Date Published: 11 October 2005
PDF: 9 pages
Proc. SPIE 5958, Lasers and Applications, 59581S (11 October 2005); doi: 10.1117/12.622621
Show Author Affiliations
Masamori Endo, Tokai Univ. (Japan)

Published in SPIE Proceedings Vol. 5958:
Lasers and Applications
Krzysztof M. Abramski; Antonio Lapucci; Edward F. Plinski, Editor(s)

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