Enhanced gain by double-periodic stacked subwavelength hole array

被引：15

作者：

Beruete, M. ^{[1
]}

Campillo, I. ^{[2
]}

Rodriguez-Seco, J. E. ^{[3
]}

Perea, E. ^{[3
]}

Navarro-Cia, M. ^{[1
]}

Nunez-Manrique, I. J. ^{[3
]}

Sorolla, M. ^{[1
]}

机构：

[1] Univ Publ Navarra, Millimeter Wave Lab, E-31006 Pamplona, Spain

[2] CIC nanoGUNE Consolider, E-20009 Donostia San Sebastian, Spain

[3] LABEIN Tecn, E-48160 Derio, Spain

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2007年 / 17卷 / 12期

关键词：

extraordinary transmission (ET); left-handed metamaterials (LHM);

D O I：

10.1109/LMWC.2007.910470

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Using a doubly periodicity structure the extraordinary transmission of subwavelength metallic hole arrays in the microwave range can be boosted. Stacking several of such plates a left-handed metamaterial can be obtained as it is shown by the computed dispersion diagrams as well as the amplitude and phase measurements. An effective refraction index along the propagation direction can be calculated, giving a negative magnitude between -1 and 0. This enhances the emission by a focused beam with narrow beamwidth. Several practical applications like novel antennas are envisaged.

引用

页码：831 / 833

页数：3

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