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Optical Engineering

Generation of high-order polarized vortex beam by achromatic meniscus axicon doublet
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Paper Abstract

A method for generating a high-order (≥2 ) polarized vortex beam by using achromatic meniscus axicon doublets (MADs) is described. The MAD has a rotationally symmetric structure and consists of a pair of identical meniscus axicons with the same apex angle. It exploits four total internal reflections when collimated rays pass through it to produce a half-wave retardation, but with azimuth-variant polarization orientations. The characteristics of high achromatism of retardance, reasonable acceptance angular aperture for MAD, are numerically demonstrated. The effect of the remaining stress birefringence of optical materials on retardation is also discussed.

Paper Details

Date Published: 7 August 2013
PDF: 3 pages
Opt. Eng. 52(8) 080503 doi: 10.1117/1.OE.52.8.080503
Published in: Optical Engineering Volume 52, Issue 8
Show Author Affiliations
Xusheng Zhang, Beijing Institute of Technology (China)
Lirong Qiu, Beijing Institute of Technology (China)

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