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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 26, Iss. 12 — Dec. 1, 2009
  • pp: 2577–2585

Effect of optical aberration on Gaussian speckle in a partially coherent imaging system

Dongyel Kang and Tom D. Milster  »View Author Affiliations


JOSA A, Vol. 26, Issue 12, pp. 2577-2585 (2009)
http://dx.doi.org/10.1364/JOSAA.26.002577


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Abstract

Optical aberration effects on Gaussian speckle contrast are theoretically examined in an imaging system exhibiting partial spatial coherence. Analysis includes phase-perturbed random fields from a rough object illuminated by an extended source that generate speckle in the image plane. Results indicate that, unlike coherent illumination, speckle contrast in this partially coherent system depends on odd-functional aberrations, such as coma. In addition, calculations show that speckle contrast reduction as a function of coherence factor exhibits a stronger dependence on aberrations than for an aberration-free case.

© 2009 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(110.1650) Imaging systems : Coherence imaging
(110.6150) Imaging systems : Speckle imaging

ToC Category:
Imaging Systems

History
Original Manuscript: June 10, 2009
Manuscript Accepted: September 9, 2009
Published: November 16, 2009

Citation
Dongyel Kang and Tom D. Milster, "Effect of optical aberration on Gaussian speckle in a partially coherent imaging system," J. Opt. Soc. Am. A 26, 2577-2585 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-12-2577


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