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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 5 — May. 1, 1974
  • pp: 1100–1109

Quantum Noise in Fresnel Zone Plate Imaging

H. H. Barrett and G. D. DeMeester  »View Author Affiliations


Applied Optics, Vol. 13, Issue 5, pp. 1100-1109 (1974)
http://dx.doi.org/10.1364/AO.13.001100


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Abstract

A Fresnel zone plate, used as a coded aperture, offers a great advantage in geometric collection efficiency over a conventional pinhole or collimator. We present a detailed analysis of the signal-to-noise ratio (SNR) of a quantum-limited zone plate camera. The magnitude and spatial distribution of the noise field and its dependence on the source distribution and the characteristics of the optical processing system are derived. It is shown that the largest SNR advantage occurs for a point source, while for very large, uniform sources there may be a slight net disadvantage to using a zone plate. It is also shown that optical processing does not give the highest possible SNR.

© 1974 Optical Society of America

History
Original Manuscript: October 2, 1973
Published: May 1, 1974

Citation
H. H. Barrett and G. D. DeMeester, "Quantum Noise in Fresnel Zone Plate Imaging," Appl. Opt. 13, 1100-1109 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-5-1100

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