On the Generation of Nondiffracting Beams in Extremely Subwavelength Applications
IEEE Transactions on Antennas and Propagation(2017)
摘要
In this paper, extremely subwavelength evanescent Bessel beam launchers are designed, simulated, and experimentally tested to generate nondiffracting beams. The launching apertures consist of several concentric coils strategically positioned to spatially filter the fields of a single actively fed radiating coil. The geometrical properties of each coil element of the aperture were obtained through ...
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关键词
Matching pursuit algorithms,Metamaterials,Coils,Complexity theory,Apertures,Structural beams,Magnetic materials
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