Nanoantenna Absorbers for Thermal Detectors

被引：23

作者：

Zhu, Hai ^{[1
]}

Yi, Fei ^{[1
]}

Cubukcu, Ertugrul ^{[1
]}

机构：

[1] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 14期

基金：

美国国家科学基金会;

关键词：

Infrared detectors; nanopatterning; numerical simulation; resonance light scattering; SPECTROSCOPY; ANTENNAS;

D O I：

10.1109/LPT.2012.2199745

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 present a mid-infrared absorber based on the nanoantennas for thermal infrared detectors. Our design utilizes a fraction of the noble metal used in conventional absorbers and is only one layer thick, which allows for extremely small thermal conductance leading potentially to very low thermal detector noise. In this numerical study, we demonstrate that the proposed nanoantenna absorber having an areal coverage of only 2.5% can absorb 10 times more efficiently than a single uniform metal layer of the same thickness.

引用

页码：1194 / 1196

页数：3

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