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Proceedings Paper

On gain in homogenized composite materials
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Paper Abstract

Three theoretical studies were undertaken, each based on the Bruggeman homogenization formalism and each involving homogenized composite materials (HCMs) comprising active component materials. It was found that: (i) HCMs can exhibit higher degrees of amplification than are exhibited by the HCM’s component materials; (ii) anisotropic HCMs can simultaneously exhibit plane-wave amplification for certain propagation directions and plane-wave attenuation for other propagation directions; and (iii) for isotropic chiral HCMs, left-circularly polarized fields may be amplified while right-circularly polarized fields may be simultaneously attenuated (or vice versa) in any propagation direction.

Paper Details

Date Published: 26 September 2016
PDF: 6 pages
Proc. SPIE 9929, Nanostructured Thin Films IX, 99290M (26 September 2016); doi: 10.1117/12.2235700
Show Author Affiliations
Tom G. Mackay, Univ. of Edinburgh (United Kingdom)
The Pennsylvania State Univ. (United States)
Akhlesh Lakhtakia, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 9929:
Nanostructured Thin Films IX
Akhlesh Lakhtakia; Tom G. Mackay; Motofumi Suzuki, Editor(s)

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