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Proceedings Paper

Spatially inhomogeneous polarization in laser beam shaping
Author(s): Bing Hao; James Leger
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Paper Abstract

A new method of beam shaping by spatially inhomogeneous polarization is proposed and studied. Unlike the conventional techniques, the polarization state in the pupil plane of a far-field beam shaping system is modulated in a spatially variant pattern. It is shown that with carefully designed polarization manipulation, the smallest flat-top intensity focal pattern can be obtained. Theoretical analysis demonstrates the uniqueness of this new idea in terms of the size of the flat-top spot; experiments are described that successfully demonstrate the feasibility of this method to practical applications.

Paper Details

Date Published: 13 September 2007
PDF: 7 pages
Proc. SPIE 6682, Polarization Science and Remote Sensing III, 66820Y (13 September 2007); doi: 10.1117/12.734207
Show Author Affiliations
Bing Hao, Univ. of Minnesota (United States)
James Leger, Univ. of Minnesota (United States)

Published in SPIE Proceedings Vol. 6682:
Polarization Science and Remote Sensing III
Joseph A. Shaw; J. Scott Tyo, Editor(s)

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