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Proceedings Paper

Leaky modes of dielectric cavities
Author(s): Masud Mansuripur; Miroslav Kolesik; Per Jakobsen
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Paper Abstract

In the absence of external excitation, light trapped within a dielectric medium generally decays by leaking out—and also by getting absorbed within the medium. We analyze the leaky modes of a parallel-plate slab, a solid glass sphere, and a solid glass cylinder, by examining those solutions of Maxwell’s equations (for dispersive as well as non-dispersive media) which admit of a complex-valued oscillation frequency. Under certain circumstances, these leaky modes constitute a complete set into which an arbitrary distribution of the electromagnetic field residing inside a dielectric body can be expanded. We provide completeness proofs, and also present results of numerical calculations that illustrate the relationship between the leaky modes and the resonances of dielectric cavities formed by a simple parallel-plate slab, a glass sphere, and a glass cylinder.

Paper Details

Date Published: 26 September 2016
PDF: 20 pages
Proc. SPIE 9931, Spintronics IX, 99310B (26 September 2016); doi: 10.1117/12.2237904
Show Author Affiliations
Masud Mansuripur, College of Optical Sciences, The Univ. of Arizona (United States)
Miroslav Kolesik, College of Optical Sciences, The Univ. of Arizona (United States)
Per Jakobsen, Univ. of Tromsø (Norway)


Published in SPIE Proceedings Vol. 9931:
Spintronics IX
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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Leaky modes of dielectric cavities



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