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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

  • Vol. 17, Iss. 4 — Apr. 1, 2000
  • pp: 780–789

Average characteristics of partially coherent electromagnetic beams

S. R. Seshadri  »View Author Affiliations


JOSA A, Vol. 17, Issue 4, pp. 780-789 (2000)
http://dx.doi.org/10.1364/JOSAA.17.000780


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Abstract

Average characteristics of partially coherent electromagnetic beams are treated with the paraxial approximation. Azimuthally or radially polarized, azimuthally symmetric beams and linearly polarized dipolar beams are used as examples. The change in the mean squared width of the beam from its value at the location of the beam waist is found to be proportional to the square of the distance in the propagation direction. The proportionality constant is obtained in terms of the cross-spectral density as well as its spatial spectrum. The use of the cross-spectral density has advantages over the use of its spatial spectrum.

© 2000 Optical Society of America

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(090.1970) Holography : Diffractive optics
(260.1960) Physical optics : Diffraction theory

History
Original Manuscript: April 5, 1999
Revised Manuscript: December 1, 1999
Manuscript Accepted: November 10, 1999
Published: April 1, 2000

Citation
S. R. Seshadri, "Average characteristics of partially coherent electromagnetic beams," J. Opt. Soc. Am. A 17, 780-789 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-4-780

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