期刊
OPTIK
卷 124, 期 22, 页码 5468-5472出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2013.03.146
关键词
Waveguides; Guided waves; Terahertz
类别
资金
- Foundation of Chengdu University of Information Technology [KYTZ201212]
In this paper, THz Sommerfeld wave propagation on single bare metal wire and dielectrically coated metal wire waveguide is presented by the numerical calculation from 0.1 THz to 1 THz. The influences of different metal and different dielectric materials on the electric field distribution around the metal wire are analyzed. The characteristics of energy coupling in the coated metal wire with different metal and dimensions are also proposed. The analysis results release a fundamental characteristic for describing the surface wave propagation along the dielectrically coated metal wire at terahertz frequencies, and moreover, the analysis results also suggest that a simple dielectrically coated metal-wire can be used for terahertz applications due to its energy concentration, as compared to the single bare metal wire. (C) 2013 Elsevier GmbH. All rights reserved.
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