期刊
APPLIED PHYSICS LETTERS
卷 91, 期 10, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2767996
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资金
- Engineering and Physical Sciences Research Council [EP/E053025/1] Funding Source: researchfish
- EPSRC [EP/E053025/1] Funding Source: UKRI
Authors demonstrate numerically the magnification of subwavelength field pattern using a wire medium slab operating in the canalization regime. The magnifying slab is implemented by radially enlarging the distance between adjacent wires, and the operational frequency is tuned to coincide with the Fabry-Perot resonance condition. The near-field pattern of a complex-shaped source is canalized over an electrical distance corresponding roughly to three wavelengths (3 lambda), and the pattern details are magnified by a factor of 3. The performance is also studied at several frequencies deviating from the one of the Fabry-Perot resonance. (C) 2007 American Institute of Physics.
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