A Method for Extending the Bandwidth of Metamaterial Absorber | Zendy

Hong-Min Lee | Zendy; Hyung-Sup Lee | Zendy

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A Method for Extending the Bandwidth of Metamaterial Absorber

Author(s) -

Hong-Min Lee,

Hyung-Sup Lee

Publication year - 2012

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2012/859429

Subject(s) - bandwidth (computing) , full width at half maximum , metamaterial , resonator , materials science , metamaterial absorber , computer science , optics , optoelectronics , physics , telecommunications , tunable metamaterials

We present a method for extending the bandwidth of a metamaterial absorber (MMA) with multiresonance structure. The basic unit cell of the MMAs consists of a periodic arrangement of an electric-LC (ELC) resonator and a square loop structure. The absorption bandwidth of an MMA is effectively extended by combining five unit cell structures with different geometric dimensions into a coplanar unit cell. Experimental results show that the fabricated MMA is 0.8 mm (0.0026 λ0) thick with a peak absorption rate of 93% at 10 GHz and a full width at half maximum (FWHM) bandwidth of 970 MHz

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