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Lossy gradient index metamaterial with sinusoidal periodicity of refractive index: case of constant impedance throughout the structure

J. Nanophoton. 5, 051804 (May 12, 2011); http://dx.doi.org/10.1117/1.3590251

Mariana Dalarsson and Martin Norgren

Royal Institute of Technology, School of Electrical Engineering, Division of Electromagnetic Engineering, SE-100 44 Stockholm, Sweden

Zoran Jakšić

University of Belgrade, IHTM – Institute of Microelectronic Technologies and Single Crystals, IHTM, Njegoševa 12, 11000 Belgrade, Serbia

We used an exact analytical approach to investigate the electromagnetic wave propagation across an isotropic metamaterial composite with i. a sinusoidally periodic gradient of the real parts of the effective permittivity and permeability, ii. spatially uniform imaginary parts of the effective permittivity and permeability, and iii. spatially uniform impedance. The real part of the effective refractive index can be positive and negative along the direction of nonhomogeneity. A remarkably simple direct solution for the field distribution was obtained.

© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

History
Received Jan 11, 2011
Accepted Apr 21, 2011
Revised Mar 25, 2011
Published online May 12, 2011
Citation
Mariana Dalarsson, Martin Norgren and Zoran Jakšić, "Lossy gradient index metamaterial with sinusoidal periodicity of refractive index: case of constant impedance throughout the structure", J. Nanophoton. 5, 051804 (May 12, 2011); http://dx.doi.org/10.1117/1.3590251

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