Negative refraction in a dielectric rod superlattice | Zendy

Saado Y. | Zendy; NeveOz Y. | Zendy; Golosovsky M. | Zendy; Davidov D. | Zendy; Frenkel A. | Zendy

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Negative refraction in a dielectric rod superlattice

Author(s) -

Saado Y.,

NeveOz Y.,

Golosovsky M.,

Davidov D.,

Frenkel A.

Publication year - 2007

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200674512

Subject(s) - superlattice , negative refraction , stopband , prism , optics , refractive index , refraction , photonic crystal , dielectric , electric field , materials science , microwave , phase velocity , planar , reflection (computer programming) , transmission (telecommunications) , phase (matter) , condensed matter physics , optoelectronics , physics , band pass filter , computer graphics (images) , electrical engineering , quantum mechanics , computer science , programming language , engineering

We studied microwave transmission, reflection, and refraction from a planar superlattice consisting of dielectric rods with two different diameters. This structural modulation results in a narrow transmission band inside the first photonic stopband. Band structure simulations indicate that this transmission band exhibits a negative phase velocity. We performed electric field mapping inside our superlattice, which revealed a negative phase velocity. In another setup we built a prism and studied transmission through it. We observed negative refraction, as expected for material with a negative refraction index. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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