A Broadband Microwave Metamaterial Absorber with Octave Bandwidth
作者： Somak Bhattacharyya
DOI: 10.1007/S12647-016-0180-6
关键词:
摘要: In this paper, a broadband metamaterial absorber has been presented for practical applications. The unit cell of the proposed structure comprises metallic patch single circular split-ring imprinted on top surface metal-backed dielectric substrate. geometrical dimensions have optimized in such way that exhibits absorptivity response 9.12 GHz from 6.70 to 15.82 with more than 90 % absorptivity. Three distinct absorption peaks are observed at 7.16, 10.74 and 14.96 GHz. phenomena these three frequencies analyzed roles several parameters involved design investigated. studied under oblique incidence, both TE TM polarizations where it shows wideband characteristics up 30° incident angle polarization 45° polarization. is very thin (~λ/8.4 respect centre frequency bandwidth) compared commercially available microwave absorbers.
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