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Proceedings Paper

Analysis of focusing properties of amplitude zone plates
Author(s): Elena S. Kozlova; Victor V. Kotlyar; Sergey A. Fomchenkov
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Paper Abstract

In this paper amplitude Fresnel zone plates with metal relief on silica glass is investigated. Simulation by frequencydependent finite-difference time domain method shows that all proposed designs of amplitude lenses can produce focal spots whose transversal size could overcome the diffraction limit (full width at half maximum of intensity is 0.38 – 0.46 of wavelength) and in several cases amplitude zone plates give tighter focal spot (full width at half maximum of intensity is 0.38 of wavelength) than phase zone plate.

Paper Details

Date Published: 26 April 2019
PDF: 8 pages
Proc. SPIE 11032, EUV and X-ray Optics: Synergy between Laboratory and Space VI, 1103211 (26 April 2019); doi: 10.1117/12.2520797
Show Author Affiliations
Elena S. Kozlova, Image Processing Systems Institute (Russian Federation)
Samara National Research Univ. (Russian Federation)
Victor V. Kotlyar, Image Processing Systems Institute (Russian Federation)
Samara National Research Univ. (Russian Federation)
Sergey A. Fomchenkov, Image Processing Systems Institute (Russian Federation)
Samara National Research Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11032:
EUV and X-ray Optics: Synergy between Laboratory and Space VI
René Hudec; Ladislav Pina, Editor(s)

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