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Proceedings Paper

Self-iterative algorithms for beam shaping in the vector domain
Author(s): Yiqiong Zhao; Yong-Ping Li; Qiu-Gui Zhou
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Paper Abstract

We present a vector angular spectrum approach by using self-iterative algorithms for beam shaping. It is rigorous and still valid to sub-wavelength feature size. The approach bases on scalar angular spectrum theory and modifies by keeping the variation of the beam's polarization. The comparison of this approach with Fraunhofer diffraction integrals by using different self-iterative algorithms to design the diffractive optical elements for beam shaping shows the former one is more efficient. Design example in the near field for beam shaping with sub-wavelength minimum feature is also presented.

Paper Details

Date Published: 3 November 2003
PDF: 11 pages
Proc. SPIE 5175, Laser Beam Shaping IV, (3 November 2003);
Show Author Affiliations
Yiqiong Zhao, Univ. of Science and Technology of China (China)
Yong-Ping Li, Univ. of Science and Technology of China (China)
Qiu-Gui Zhou, Univ. of Science and Technology of China (China)

Published in SPIE Proceedings Vol. 5175:
Laser Beam Shaping IV
Fred M. Dickey; David L. Shealy, Editor(s)

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