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Numerical investigation of the effect of number of zones on Fresnel Zone Plates imaging performance under different coherence conditions

  • Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
  • Imagine Optic

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

In recent years, integral imaging has received increasing attention as a promising 3D imaging technique with one single exposure. In medical diagnostics, the X-ray integral imaging system potentially has a much shorter exposure time than the conventional computed tomography, reducing the radiation damage to the patient. By replacing the micro-lens array with a micro-Fresnel Zone Plate (FZP) array, the classical visible integral imaging system can be transposed to an X-ray system. However, limited by the micro-scale dimensions of FZP in the array and current manufacturing techniques, the number of zones of FZP is required to be small. This may have an important impact on the FZP imaging performance. Based on the scalar diffraction theory, this paper introduces a simulation method and numerically investigated the effect of the number of zones on the FZP imaging performance under different coherence conditions.

Original languageEnglish
Title of host publicationInternational Conference on X-Ray Lasers 2020
EditorsDavide Bleiner
PublisherSPIE
ISBN (Electronic)9781510646186
DOIs
Publication statusPublished - 1 Jan 2021
EventInternational Conference on X-Ray Lasers 2020 - Virtual, Online
Duration: 8 Dec 202010 Dec 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11886
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceInternational Conference on X-Ray Lasers 2020
CityVirtual, Online
Period8/12/2010/12/20

Keywords

  • Coherence
  • Fresnel zone plate
  • Modeling
  • Wave propagator
  • X-ray integral imaging

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