Microwave transmission through a two-dimensional, isotropic, left-handed metamaterial

Shelby, R. A.; Smith, D. R.; Nemat-Nasser, S. C.; Schultz, S.
January 2001
Applied Physics Letters;1/22/2001, Vol. 78 Issue 4, p489
Academic Journal
We present experimental data, numerical simulations, and analytical transfer-matrix calculations for a two-dimensionally isotropic, left-handed metamaterial (LHM) at X-band microwave frequencies. A LHM is one that has a frequency band with simultaneously negative ε[sub eff](ω) and μ[sub eff](ω), thereby having real values of index of refraction and wave vectors, and exhibiting extended wave propagation over that band. Our physical demonstration of a two-dimensional isotropic LHM will now permit experiments to verify some of the explicit predictions of reversed electromagnetic-wave properties including negative index of refraction as analyzed by Veselago [Usp. Fiz. Nauk 92, 517 (1964), Sov. Phys. Usp. 10, 509 (1968)].


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