Experimental Demonstration of Metamaterial Flat Lens at F-band

被引：0

作者：

Kitayama, D. ^{[1
]}

Song, H. -J. ^{[1
]}

Yaita, M. ^{[1
]}

Hirata, A. ^{[1
]}

机构：

[1] NTT Corp, NTT Device Technol Labs, Atsugi, Kanagawa 2430198, Japan

来源：

2015 40TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2015年

关键词：

LIGHT;

D O I：

暂无

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：

We experimentally demonstrate a metamaterial flat lens based on split-ring resonators at 120 GHz based on the gradient index optics theory. The gap of the SRRs that were used as a unit cell of the lens was varied to obtain desired reflective index at a specific place in the lens. In this work, a far-field radiation pattern of an open-ended waveguide antenna was measured with and without the metamaterial fiat lens, and we experimentally determined the improvement in the beam directivity on the antenna gain to be approximately 11 dB, with a 3-dB relative bandwidth of 15% or more.

引用

页数：2

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