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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. 24, Iss. 7 — Jul. 1, 2007
  • pp: 1937–1944

Experimental observation of fractional Fourier transform for a partially coherent optical beam with Gaussian statistics

Fei Wang and Yangjian Cai  »View Author Affiliations


JOSA A, Vol. 24, Issue 7, pp. 1937-1944 (2007)
http://dx.doi.org/10.1364/JOSAA.24.001937


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Abstract

We report the experimental observation of the fractional Fourier transform (FRT) for a partially coherent optical beam with Gaussian statistics [i.e., partially coherent Gaussian Schell-model (GSM) beam]. The intensity distribution (or beam width) and the modulus of the square of the spectral degree of coherence (or coherence width) of a partially coherent GSM beam in the FRT plane are measured, and the experimental results are analyzed and agree well with the theoretical results. The FRT optical system provides a convenient way to control the properties, e.g., the intensity distribution, beam width, spectral degree of coherence, and coherence width, of a partially coherent beam.

© 2007 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.2590) Fourier optics and signal processing : ABCD transforms

ToC Category:
Fourier Optics and Optical Signal Processing

History
Original Manuscript: November 22, 2006
Revised Manuscript: February 3, 2007
Manuscript Accepted: February 28, 2007
Published: June 13, 2007

Citation
Fei Wang and Yangjian Cai, "Experimental observation of fractional Fourier transform for a partially coherent optical beam with Gaussian statistics," J. Opt. Soc. Am. A 24, 1937-1944 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-7-1937

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