21 February 2011 Investigation of metamaterials for terahertz frequency range
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Abstract
Metamaterials are artificial materials with unusual properties that do not exist in nature and basically could consist of subwavelength metallic patterns printed on dielectric substrate. In this paper, we present a theoretical and experimental investigations of metamaterials designed for THz applications. First, fishnet metamaterials which are composed with a thin dielectric material sandwiched between two metallic layers. Two techniques were used in order to fabricate our prototypes: double layer optical lithography and laser micromachining. We performed simulations and experiments using commercial software simulator based on finite element method (HFSS) and terahertz time domain spectroscopy THz- TDS respectively. A good agreement was reported between simulations and experiments while pointed out the dramatic influences of dielectric losses in the effective response.
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R. Yahiaoui, R. Yahiaoui, H. Nemec, H. Nemec, P. Kužel, P. Kužel, F. Kadlec, F. Kadlec, C. Kadlec, C. Kadlec, J. Schilling, J. Schilling, M. Bari, M. Bari, J. C. Delagnes, J. C. Delagnes, P. Mounaix, P. Mounaix, } "Investigation of metamaterials for terahertz frequency range", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79170E (21 February 2011); doi: 10.1117/12.874049; https://doi.org/10.1117/12.874049
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