期刊
IEICE TRANSACTIONS ON COMMUNICATIONS
卷 E93B, 期 7, 页码 1858-1861出版社
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
DOI: 10.1587/transcom.E93.B.1858
关键词
metal fiber array composite; negative permittivity; EM absorber; frequency selective shielding
The construction of EM absorber and frequency selective shielding has been investigated by using two dimensional metal fiber array (MFA) composites. The MFA composite shows a resonant type frequency dispersion in the complex relative permittivity spectra (epsilon(r) = epsilon(r)' - j epsilon(r)'') having a negative epsilon(r)' region. The frequency characteristics of the conventional ferrite-rubber EM absorber can be improved by combining with the negative permittivity property of the MFA composite. A frequency selective shielding can be achieved by the evanescent EM wave propagation in the layered MFA composite structure.
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