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