Fresnel zone plate: Anomalous foci

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1976 Australia English Publisher:American Association of Physics Teachers (AAPT)Journal:American Journal of Physics, volume 44, pages 929-930 (issn: 0002-9505, eissn: 1943-2909,

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Authors: Higbie J.;

doi: 10.1119/1.10558

Fresnel zone plate: Anomalous foci

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Abstract

It is found that, when a zone plate is examined in practice, foci exist where there should be none. An approach is developed which reveals that the zone plate is a circular diffraction grating, which in turn explains how a hologram works in a very direct manner.

Country

Australia

Related Organizations

University of Queensland
Australia
University of Queensland
Australia

Keywords

3100 Physics and Astronomy

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