Truncation of angular spread of Bragg zones by total reflection, and Goos-Hänchen shifts exhibited by chiral sculptured thin films

Akhlesh Lakhtakia

doi:10.1078/1434-8411-54100091

Truncation of angular spread of Bragg zones by total reflection, and Goos-Hänchen shifts exhibited by chiral sculptured thin films

Akhlesh Lakhtakia

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

12 Scopus citations

Abstract

The total-reflection phenomenon is shown to restrict the angular spread of the Bragg phenomenon, when a plane wave is incident on a chiral sculptured thin film (STF) from an optically denser medium. Unlike the Bragg phenomenon, the total-reflection phenomenon is insensitive to the structural handedness of the chiral STF. Mechanically tunable Goos-Hänchen shifts that are appreciable fractions of the wavelength are experienced by beams of finite transverse extent, in the total-reflection regime.

Original language	English (US)
Pages (from-to)	169-176
Number of pages	8
Journal	AEU-Archiv fur Elektronik und Ubertragungstechnik
Volume	56
Issue number	3
DOIs	https://doi.org/10.1078/1434-8411-54100091
State	Published - 2002

All Science Journal Classification (ASJC) codes

Computer Networks and Communications
Electrical and Electronic Engineering

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10.1078/1434-8411-54100091

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AB - The total-reflection phenomenon is shown to restrict the angular spread of the Bragg phenomenon, when a plane wave is incident on a chiral sculptured thin film (STF) from an optically denser medium. Unlike the Bragg phenomenon, the total-reflection phenomenon is insensitive to the structural handedness of the chiral STF. Mechanically tunable Goos-Hänchen shifts that are appreciable fractions of the wavelength are experienced by beams of finite transverse extent, in the total-reflection regime.

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Truncation of angular spread of Bragg zones by total reflection, and Goos-Hänchen shifts exhibited by chiral sculptured thin films

Abstract

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