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11 October 2005 Generation of a radially or azimuthally polarized beam by means of the w-axicon optical resonator
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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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Masamori Endo "Generation of a radially or azimuthally polarized beam by means of the w-axicon optical resonator", Proc. SPIE 5958, Lasers and Applications, 59581S (11 October 2005); https://doi.org/10.1117/12.622621
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