Abstract

The scattering of light by a “stadium-shaped” dielectric cylinder is discussed. In the geometrical-optics limit, the scattering is chaotic, leading to a cross section with a complicated set of rainbow singularities. Wave effects, which soften these singularities into smooth peaks, are estimated by mapping the light-scattering problem onto the quantum-mechanical scattering of a particle by a potential well and applying a semiclassical approximation. Conditions necessary for the experimental observation of chaotic effects are discussed.

© 1993 Optical Society of America

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