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Proceedings Paper

Focusing properties of fractal phase-type zone plates
Author(s): Yana B. Muzychenko; Alexander A. Zinchik; Sergey Stafeev
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Paper Abstract

The article describes the results of analytical and computer simulation of Fresnel diffraction from phase-type zone plates with fractal structure. The focusing properties of phase-type fractal zone plates (FZP) with different fractal dimension and phase depth are studied. It is shown that the axial irradiance exhibits selfsimilarity properties with additional focal points. It is demonstrated that FZPs reduce chromatic aberrations under white-light illumination. In addition, for the first time the FZPs with variable phase depth are presented. It is shown that axial irradiance and position of principal focus depend on these parameters.

Paper Details

Date Published: 17 November 2010
PDF: 6 pages
Proc. SPIE 7848, Holography, Diffractive Optics, and Applications IV, 78483D (17 November 2010); doi: 10.1117/12.871776
Show Author Affiliations
Yana B. Muzychenko, Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Alexander A. Zinchik, Univ. of Information Technologies, Mechanics and Optics (Russian Federation)
Sergey Stafeev, Univ. of Information Technologies, Mechanics and Optics (Russian Federation)


Published in SPIE Proceedings Vol. 7848:
Holography, Diffractive Optics, and Applications IV
Yunlong Sheng; Chongxiu Yu; Linsen Chen, Editor(s)

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