13 September 2005 Non-magnetic materials with negative refractive index
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We develop a new approach to materials with negative refraction index which can be implemented for optical and infrared frequencies. In contrast to conventional designs which require simultaneously negative dielectric permittivity and magnetic permeability, our system is intrinsically non-magnetic and makes use of an anisotropic dielectric constant to provide negative refractive index in waveguide geometry. The proposed approach is not limited to the proximity of a resonance and thus allows for low loss, critical for super-lensing applications.
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Evgenii E. Narimanov, Evgenii E. Narimanov, Leonid V. Alekseyev, Leonid V. Alekseyev, Viktor A. Podolskiy, Viktor A. Podolskiy, } "Non-magnetic materials with negative refractive index", Proc. SPIE 5924, Complex Mediums VI: Light and Complexity, 592406 (13 September 2005); doi: 10.1117/12.620210; https://doi.org/10.1117/12.620210

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