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International Journal of Antennas and Propagation
Volume 2013, Article ID 596278, 6 pages
Research Article

Goos-Hänchen Lateral Displacements at the Interface between Isotropic and Gyroelectric Media

1School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
2Sichuan Electric Power Corporation, Chengdu 610041, China

Received 1 March 2013; Revised 15 May 2013; Accepted 29 May 2013

Academic Editor: Tat Yeo

Copyright © 2013 Jinbao Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A detailed study on Goos-Hänchen (GH) lateral displacements of the reflected and transmitted waves propagating at the interface between an isotropic medium and a gyroelectric medium in Voigt configuration is presented. After the reflection coefficient and transmission coefficient are derived, based on the stationary phase approach, GH lateral displacements are obtained analytically. The numerical results for a specific gyroelectric medium are also given. It shows that with the existence of an applied magnetic field, the GH effect occurs not only during total reflection but also during nontotal reflection, which is not true for isotropic media. Moreover, due to the nonreciprocal property of the gyroelectric medium, the sign of the incident angle also influences the displacements. Finite-element method simulations have verified the theoretical results.