Investigation of metamaterials for terahertz frequency range

0375375 - FZÚ 2012 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
Yahiaoui, R. - Delagnes, J.C. - Mounaix, P. - Němec, Hynek - Kužel, Petr - Kadlec, Filip - Kadlec, Christelle - Schilling, J. - Bari, M.
Investigation of metamaterials for terahertz frequency range.
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X. Bellingham: SPIE, 2011 - (Vodopyanov, K.), 79170E /1-79170E /6. Proceedings of SPIE, 79170. ISBN 978-0-8194-8454-3. ISSN 0277-786X.
[Conference on Nonlinear Frequency Generation and Conversion - Materials, Devices, and Applications /10./. San Francisco (US), 24.01.2011-27.01.2011]
Grant CEP: GA AV ČR(CZ) IAA100100907; GA MŠMT LC512
Výzkumný záměr: CEZ:AV0Z10100520
Klíčová slova: time-domain terahertz spectroscopy * metamaterials
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
http://dx.doi.org/10.1117/12.874049

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.
Trvalý link: http://hdl.handle.net/11104/0208048