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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 8 — Apr. 11, 2011
  • pp: 7007–7019

Two-frequency mutual coherence function of scattering from arbitrarily shaped rough objects

Geng Zhang and Zhensen Wu  »View Author Affiliations

Optics Express, Vol. 19, Issue 8, pp. 7007-7019 (2011)

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Based on the Physical optics approximation, the scattering field in the far zone by arbitrarily shaped objects with slightly rough surface which obeys Gaussian distribution and its two-frequency mutual coherence function are derived theoretically, and the numerical results for rough spheres and rough cylinders are given and analyzed. The results show that the function has closely relationship with the roughness and the dimension of the rough objects. The roughness and the curvature of the object influence both the amplitude and the profile of the two-frequency mutual coherence function. Also, the smaller the radius of the object, the larger the coherent bandwidth. The two-frequency mutual coherence function can be used to investigate the laser pulse scattering characteristics of arbitrarily shaped rough objects, provide theoretical basis for target recognition.

© 2011 OSA

OCIS Codes
(260.0260) Physical optics : Physical optics
(290.1350) Scattering : Backscattering
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:

Original Manuscript: September 13, 2010
Revised Manuscript: October 17, 2010
Manuscript Accepted: October 18, 2010
Published: March 29, 2011

Geng Zhang and Zhensen Wu, "Two-frequency mutual coherence function of scattering from arbitrarily shaped rough objects," Opt. Express 19, 7007-7019 (2011)

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