Focusing properties of fractal phase-type zone plates

Yana B. Muzychenko; Alexander A. Zinchik; Sergey Stafeev

doi:10.1117/12.871776

17 November 2010 Focusing properties of fractal phase-type zone plates

Yana B. Muzychenko, Alexander A. Zinchik, Sergey Stafeev

Proceedings Volume 7848, Holography, Diffractive Optics, and Applications IV; 78483D (2010) https://doi.org/10.1117/12.871776
Event: Photonics Asia 2010, 2010, Beijing, China

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.

Citation Download Citation

Yana B. Muzychenko, Alexander A. Zinchik, and Sergey Stafeev "Focusing properties of fractal phase-type zone plates", Proc. SPIE 7848, Holography, Diffractive Optics, and Applications IV, 78483D (17 November 2010); https://doi.org/10.1117/12.871776

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