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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 24 — Aug. 20, 2004
  • pp: 4732–4738

Partially coherent flat-topped beam and its propagation

Di Ge, Yangjian Cai, and Qiang Lin  »View Author Affiliations


Applied Optics, Vol. 43, Issue 24, pp. 4732-4738 (2004)
http://dx.doi.org/10.1364/AO.43.004732


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Abstract

A partially coherent beam with flat-topped profile is proposed. The cross-spectral density of this beam can be expressed as a finite series of the cross-spectral density of partially coherent Gaussian-Schell-model beams with different parameters. Analytical propagation formulas for partially coherent flat-topped beams are derived through aligned and misaligned optical systems. The propagation property of partially coherent flat-topped beams in free space is illustrated numerically. The fractional Fourier transform of partially coherent flat-topped beams is also studied. Our method provides a convenient way to describe partially coherent flat-topped beams and treat their propagation and transformation.

© 2004 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.3300) Lasers and laser optics : Laser beam shaping

History
Original Manuscript: November 16, 2003
Revised Manuscript: April 27, 2004
Published: August 20, 2004

Citation
Di Ge, Yangjian Cai, and Qiang Lin, "Partially coherent flat-topped beam and its propagation," Appl. Opt. 43, 4732-4738 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-24-4732

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