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This paper proposes the reflection and transmission control structure using the artificially designed materials and a dielectric layer. As the artificially designed material, finite- and infinite-length metal wire array sheets are used here. The reflection and transmission characteristics of the laminated structures are evaluated experimentally in free space.
This paper proposes reflection and transmission controlling materials using the artificially designed material. As the artificially designed material, finite- and infinite-length metal wire array sheets are used here. The laminated structures consisting of the metal wire array sheets and dielectric material are proposed. Reflection and transmission characteristics of these sheets can be controlled...
This paper proposes reflection and transmission controlling materials using the artificially designed material. As the artificially designed material, the metal wire array sheets are used here. The laminated structures consisting of the metal wire array sheet and dielectric layer are proposed. Reflection and transmission characteristics of these structures can be controlled by changing the sheet parameters...
In this paper, properties of artificially-designed materials and their applications in electromagnetic (EM) wave absorber are discussed. First, EM-wave absorber composed of the straight length wire array sheet and a ferrite-powder/rubber mixture plate is investigated. The absorbing characteristics of the absorber using the wire array sheet can be matched at around the resonant frequency of the sheet...
We report on a bistable light transmission through a planar metamaterial consisted of a metal pattern of weakly asymmetric elements placed on a nonlinear substrate which enables sharp resonance response by excitation of a trapped mode. A feedback required for bistability is provided by the coupling between strong trapped mode resonance antiphased currents exited on the metal elements and an intensity...
This paper presents three-dimensional W-band images of some common explosives and substances that can be used to produce explosives. As an introduction, some information about the imaged materials (DUTs) is given. After a detailed description of the measurement setup, multiple views of the three dimensional image data are presented. Data features that could be used for detection of the explosives...
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