27 September 2005 Terahertz left handed electromagnetic media
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In this paper, we review some of the key issues for designing, fabricating and assessing electromagnetic properties of left-handed propagation media, aimed at operating in the infrared region. We show how lefhandedness can be experimentally demonstrated and we address the important issue of loss. In the far infrared region, we consider in details the various stages in the study of a left handed transmission line with a direct evidence of backward propagation in the time domain. We also compared the respective advantages and drawbacks of dielectric based microstructures namely Photonics crystals and of metal nanotructures starting from shrunk split ring resonators.
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D. Lippens, D. Lippens, } "Terahertz left handed electromagnetic media", Proc. SPIE 5955, Metamaterials, 59550Y (27 September 2005); doi: 10.1117/12.623104; https://doi.org/10.1117/12.623104


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