Single-focus x-ray zone plate by stagger arrangement of zones | Zendy

Xiaohu Chen | Zendy; Xiaofang Wang | Zendy

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Single-focus x-ray zone plate by stagger arrangement of zones

Author(s) -

Xiaohu Chen,

Xiaofang Wang

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.020005

Subject(s) - zone plate , optics , diffraction , focus (optics) , wavelength , fresnel zone , radius , depth of focus (tectonics) , physics , diffraction efficiency , materials science , geology , computer science , paleontology , computer security , subduction , tectonics

In this paper a novel single-focus x-ray zone plate is proposed by stagger arrangement of zones, which would be technically easier to manufacture. Theoretical design shows that the transmission function of the plate is a cosine function of radius, like that of a Gabor zone plate. Numerical simulation at the wavelength of 0.275 nm shows that the plate is of single-order focusing, with spatial resolution limit the same as that of the corresponding conventional zone plate, and the first-order diffraction efficiency of 11.5%. The plate can also work for single-order focusing at other x-ray wavelengths.

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