Computational study of diffraction patterns for near-field Fresnel and Gabor zone plates
JOSA A, Vol. 17, Issue 1, pp. 101-106 (2000)
http://dx.doi.org/10.1364/JOSAA.17.000101
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Abstract
Near-field designs of Fresnel and Gabor zone plates are computationally analyzed by using versions that allow the foci to be brought closer to the plate than in the usual far-field applications. It is found that the Fresnel plate has a dominant primary conjugate pair of foci well inside the far-field region and a more intense primary focus and smaller off-focal-plane sidelobes than the near-field Gabor systems, thus yielding a superior imaging performance.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(080.3620) Geometric optics : Lens system design
(260.1960) Physical optics : Diffraction theory
(350.4010) Other areas of optics : Microwaves
Citation
T. D. Beynon and R. M. R. Strange, "Computational study of diffraction patterns for near-field Fresnel and Gabor zone plates," J. Opt. Soc. Am. A 17, 101-106 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-1-101
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