Abstract

Resonant scattering from dielectric bispheres in the specular direction (the so-called specular resonance), previously known only in the microwave range, has been observed at the optical wavelength. Systematic experiments with micrometer-sized dielectric bispheres assembled by micromanipulation, together with rigorous numerical calculations, reveal that this scattering is a precursor of the classical rainbow and is a general phenomenon observed in the wide range of size parameters ($>5$ for $n=1.59$) for various refractive indices.

© 2002 Optical Society of America

Analysis of specular resonance in dielectric bispheres using rigorous and geometrical-optics theories

Hideki T. Miyazaki, Hiroshi Miyazaki, and Kenjiro Miyano
J. Opt. Soc. Am. A 20(9) 1771-1784 (2003)

Photonic polymers: a new class of photonic wire structure from intersecting polymer-blend microspheres

S. M. Mahurin, A. Mehta, M. D. Barnes, B. Hathorn, B. G. Sumpter, D. W. Noid, and K. Runge
Opt. Lett. 27(8) 610-612 (2002)

Scattering of light by bispheres with touching and separated components

Michael I. Mishchenko, Daniel W. Mackowski, and Larry D. Travis
Appl. Opt. 34(21) 4589-4599 (1995)

Light scattering by slightly nonspherical particles on surfaces

Thomas A. Germer
Opt. Lett. 27(13) 1159-1161 (2002)

Equivalent volume-averaged light scattering behavior of randomly inhomogeneous dielectric spheres in the resonant range

Zhigang Chen, Allen Taflove, and Vadim Backman
Opt. Lett. 28(10) 765-767 (2003)