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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 10, Iss. 10 — Oct. 1, 1971
  • pp: 2226–2230

Coherent Processing and Depth of Focus of Annular Aperture Imagery

J. T. McCrickerd  »View Author Affiliations


Applied Optics, Vol. 10, Issue 10, pp. 2226-2230 (1971)
http://dx.doi.org/10.1364/AO.10.002226


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Abstract

Images from high aspect ratio annulus apertures are spatially filtered in a coherent optical processor for equalization of the modulation transfer function. The imagery is relatively insensitive to spherical aberration, field curvature, and longitudinal color; and the depth of focus is substantially greater than that of conventional imagery with comparable resolution.

© 1971 Optical Society of America

History
Original Manuscript: March 15, 1971
Published: October 1, 1971

Citation
J. T. McCrickerd, "Coherent Processing and Depth of Focus of Annular Aperture Imagery," Appl. Opt. 10, 2226-2230 (1971)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-10-10-2226

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