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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. 14, Iss. 6 — Jun. 1, 1997
  • pp: 1305–1315

Optics InfoBase > JOSA A > Volume 14 > Issue 6 > High-order interior caustics produced in scattering of a diagonally incident plane wave by a circular cylinder

High-order interior caustics produced in scattering of a diagonally incident plane wave by a circular cylinder

C. L. Adler, James A. Lock, Bradley R. Stone, and Claudio J. Garcia  »View Author Affiliations


JOSA A, Vol. 14, Issue 6, pp. 1305-1315 (1997)
http://dx.doi.org/10.1364/JOSAA.14.001305


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Abstract

We examine scattering of a family of initially parallel diagonally incident rays by a dielectric circular cylinder and show that the interior and exterior caustics that occur are qualitatively identical to those produced at normal incidence. We find, however, that (1) varying the plane-wave tilt angle has the same effect on the caustics as varying the refractive index of the cylinder at normal incidence and (2) high-order interior caustics are visible because of larger internal-reflection Fresnel coefficients at diagonal incidence than at normal incidence. We also observe noncaustic ray trajectories produced by the sharp peaking of internal-reflection Fresnel coefficients at large ray impact parameters, as well as another class of internal caustics produced by scattering from inhomogeneities in our glass cylinder.

© 1997 Optical Society of America

History
Original Manuscript: July 12, 1996
Revised Manuscript: December 3, 1996
Manuscript Accepted: December 3, 1996
Published: June 1, 1997

Citation
C. L. Adler, James A. Lock, Bradley R. Stone, and Claudio J. Garcia, "High-order interior caustics produced in scattering of a diagonally incident plane wave by a circular cylinder," J. Opt. Soc. Am. A 14, 1305-1315 (1997)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-14-6-1305

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