Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/98973
Title: The focusing property of the spiral Fibonacci zone plate
Authors: Liu, Y. J.
Dai, Haitao
Sun, Xiaowei
Issue Date: 2012
Source: Dai, H., Liu, Y. J., & Sun, X. (2012). The focusing property of the spiral Fibonacci zone plate. Proceedings of SPIE - Optical Components and Materials IX, 82570T.
Abstract: The concept of fractal, such as Cantor set, has been combined with the Fresnel zone plates (ZPs) to improve its imaging capability and introduce additional freedom for optimizing. In this letter, Fibonacci zone plates (FiZPs), which is generated by means of Fibonacci fractals, was proposed. The FiZPs can be constructed by the generating rules of the Fibonacci sequences similar with the Cantor set zone plate published. Numerical simulation based on Fresnel diffraction is performed to verify the on-axis intensity distribution of the FiZPs. According to the simulated results, the FiZPs can focus the incident beam as conventional zone plates as well but with fractal on-axis intensity profile. The theoretical results are also verified by the experiment by means of phase-only spatial light modulator (pSLM). Furthermore, the spiral Fibonacci zone plate (sFiZPs) was designed by overlapping the spiral phase on the FiZPs. Both numerical simulations and experiments are performed and the results are coincident well with each other.
URI: https://hdl.handle.net/10356/98973
http://hdl.handle.net/10220/12737
DOI: http://dx.doi.org/10.1117/12.908398
Rights: © 2012 SPIE. This paper was published in Proceedings of SPIE - Optical Components and Materials IX and is made available as an electronic reprint (preprint) with permission of SPIE. The paper can be found at the following official DOI: [http://dx.doi.org/10.1117/12.908398]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
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