Self-iterative algorithms for beam shaping in the vector domain

Yiqiong Zhao; Yong-Ping Li; Qiu-Gui Zhou

doi:10.1117/12.504441

3 November 2003 Self-iterative algorithms for beam shaping in the vector domain

Yiqiong Zhao, Yong-Ping Li, Qiu-Gui Zhou

Proceedings Volume 5175, Laser Beam Shaping IV; (2003) https://doi.org/10.1117/12.504441
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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.

Citation Download Citation

Yiqiong Zhao, Yong-Ping Li, and Qiu-Gui Zhou "Self-iterative algorithms for beam shaping in the vector domain", Proc. SPIE 5175, Laser Beam Shaping IV, (3 November 2003); https://doi.org/10.1117/12.504441

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