Simple model for dielectric thin-film helicoidal bianisotropic media

Paul D. Sunal; Akhlesh Lakhtakia; Russell Messier

doi:10.1016/S0030-4018(98)00447-7

Simple model for dielectric thin-film helicoidal bianisotropic media

Paul D. Sunal, Akhlesh Lakhtakia, Russell Messier

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

A simple model to predict the effective properties of a porous, dielectric, thin-film helicoidal bianisotropic medium (TFHBM) is presented. A local permittivity dyadic is obtained, assuming that the TFHBM is made of electrically minute needles with a certain shape factor; and thus the TFHBM is locally homogenized into a nonhomogeneous continuum. The determination of the shape factor by comparison with measurements of the optical rotation spectrum is examined in detail, and relationships between structural and other variables are extracted from the predictions of the model. These preliminary results point out the need for more and careful optical experiments on TFHBM slabs to fabricate better theoretical models.

Original language	English (US)
Pages (from-to)	119-126
Number of pages	8
Journal	Optics Communications
Volume	158
Issue number	1-6
DOIs	https://doi.org/10.1016/S0030-4018(98)00447-7
State	Published - Dec 15 1998

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/S0030-4018(98)00447-7

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title = "Simple model for dielectric thin-film helicoidal bianisotropic media",

abstract = "A simple model to predict the effective properties of a porous, dielectric, thin-film helicoidal bianisotropic medium (TFHBM) is presented. A local permittivity dyadic is obtained, assuming that the TFHBM is made of electrically minute needles with a certain shape factor; and thus the TFHBM is locally homogenized into a nonhomogeneous continuum. The determination of the shape factor by comparison with measurements of the optical rotation spectrum is examined in detail, and relationships between structural and other variables are extracted from the predictions of the model. These preliminary results point out the need for more and careful optical experiments on TFHBM slabs to fabricate better theoretical models.",

author = "Sunal, {Paul D.} and Akhlesh Lakhtakia and Russell Messier",

note = "Funding Information: This work was funded in part by the U.S. National Science Foundation Graduate Research Traineeship Program in Environmentally Conscious Manufacturing, Grant No. 9454027. ",

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T1 - Simple model for dielectric thin-film helicoidal bianisotropic media

AU - Sunal, Paul D.

AU - Lakhtakia, Akhlesh

AU - Messier, Russell

N1 - Funding Information: This work was funded in part by the U.S. National Science Foundation Graduate Research Traineeship Program in Environmentally Conscious Manufacturing, Grant No. 9454027.

PY - 1998/12/15

Y1 - 1998/12/15

N2 - A simple model to predict the effective properties of a porous, dielectric, thin-film helicoidal bianisotropic medium (TFHBM) is presented. A local permittivity dyadic is obtained, assuming that the TFHBM is made of electrically minute needles with a certain shape factor; and thus the TFHBM is locally homogenized into a nonhomogeneous continuum. The determination of the shape factor by comparison with measurements of the optical rotation spectrum is examined in detail, and relationships between structural and other variables are extracted from the predictions of the model. These preliminary results point out the need for more and careful optical experiments on TFHBM slabs to fabricate better theoretical models.

AB - A simple model to predict the effective properties of a porous, dielectric, thin-film helicoidal bianisotropic medium (TFHBM) is presented. A local permittivity dyadic is obtained, assuming that the TFHBM is made of electrically minute needles with a certain shape factor; and thus the TFHBM is locally homogenized into a nonhomogeneous continuum. The determination of the shape factor by comparison with measurements of the optical rotation spectrum is examined in detail, and relationships between structural and other variables are extracted from the predictions of the model. These preliminary results point out the need for more and careful optical experiments on TFHBM slabs to fabricate better theoretical models.

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EP - 126

JO - Optics Communications

JF - Optics Communications

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Simple model for dielectric thin-film helicoidal bianisotropic media

Abstract

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