Design of DOE for beam shaping with highly NA focused cylindrical vector beam

Yiqiong Zhao; Qiwen Zhan; Yong-Ping Li

doi:10.1117/12.574724

7 February 2005 Design of DOE for beam shaping with highly NA focused cylindrical vector beam

Yiqiong Zhao; Qiwen Zhan; Yong-Ping Li

Author Affiliations +

Proceedings Volume 5636, Holography, Diffractive Optics, and Applications II; (2005) https://doi.org/10.1117/12.574724
Event: Photonics Asia, 2004, Beijing, China

Abstract

Focus shaping with highly focused cylindrical vector beam is an interesting and important topic in both applied optics and physical optics. In this paper, we describe optimization algorithms to design diffractive optical elements for various beam shaping applications. "Optical bubbles" with desired size and numbers for trapping particles and flat-top focusing with low side-lobe to improved micro printing are proposed. Ultra small focus spot with long depth of focus without energy split to extend the region around the image plane is also presented.

Citation Download Citation

Yiqiong Zhao, Yiqiong Zhao, Qiwen Zhan, Qiwen Zhan, Yong-Ping Li, Yong-Ping Li, } "Design of DOE for beam shaping with highly NA focused cylindrical vector beam", Proc. SPIE 5636, Holography, Diffractive Optics, and Applications II, (7 February 2005); doi: 10.1117/12.574724; https://doi.org/10.1117/12.574724

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