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A Novel Frequency Selective Surface: Frequency Selective Fabric Composite  

Lee, Sang-Eui (Division of Aerospace Eng., KAIST)
Kim, Chun-Gon (Division of Aerospace Eng., KAIST)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.17, no.10, 2006 , pp. 920-928 More about this Journal
Abstract
Fiber-reinforced composites transmitting microwaves of certain frequencies or bands were proposed. These frequency selective fabric composites(FSFCs) are fabricated by weaving carbon fibers and dielectric fibers that build periodic patterns. Design parameters affecting the electromagnetic characteristics of FSFCs were widely discussed, Then the electromagnetic characteristics of a fabricated plain-weave FSEC were investigated with regard to the electrical conductivities of carbon roving, the fiber undulation, and the aperture-to-cell ratio, for the electrical conductivities, its dependence on frequency as well as on the fiber volume fraction of carbon roving was taken into account. Constituent material properties and the fiber undulation had little effect on the EM properties of the fabricated FSFC, while the aperture-to-cell ratio made a profound effect on them.
Keywords
Frequency Selective Surface(FSS); Frequency Selective Fabric Composite(FSFC); Fiber-Reinforced Composite; Carbon Fiber; Dielectric Fiber;
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