期刊
APPLIED PHYSICS LETTERS
卷 95, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3253703
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资金
- QinetiQ
- EPSRC (U. K.)
- CAMB
- Great Western Research
- Engineering and Physical Sciences Research Council [GR/S96029/01] Funding Source: researchfish
A metamaterial layer comprising of a conducting square mesh surrounding subwavelength holes has a largely pure imaginary effective refractive index. We explore the microwave transmissivity of a stack of such metamaterial layers separated by dielectric spacers. As expected, a family of high transmissivity bands is experimentally observed. It is found that the lowest frequency edge is independent of the number of unit cells making up the structure and is highly tunable by appropriate geometrical design of the metamaterial layers. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3253703]
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