標題: Field propagation of a metallic grid slab that acts as a metamaterial
作者: Tsao, CH
Chern, JL
光電工程學系
Department of Photonics
關鍵字: metamaterials;left-handed materials;directive emission
公開日期: 24-Apr-2006
摘要: A metallic grid slab has been shown to work as a novel metamaterial which can shape the divergent field emitted from an embedded monopole microwave antenna into a directive transmission at a specific frequency. The transmission of such subwavelength slab remains an issue of challenge. In this work, we experimentally investigate the transmitted behavior of such subwavelength grid slab to explore the underlying mechanism of wave propagation. It is found that there is a large tolerance of directive emission even with a tilted slab. The deviation along the directive emission direction is analyzed based on the interference theory. (c) 2005 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.physleta.2005.12.086
http://hdl.handle.net/11536/12358
ISSN: 0375-9601
DOI: 10.1016/j.physleta.2005.12.086
期刊: PHYSICS LETTERS A
Volume: 353
Issue: 2-3
起始頁: 171
結束頁: 178
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