ZnO subwavelength wires for fast-response mid-infrared detection

被引：13

作者：

Dai, Wei ^{[1
]}

Yang, Qing ^{[1
]}

Gu, Fuxing ^{[1
]}

Tong, Limin ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 24期

基金：

中国国家自然科学基金;

关键词：

INFRARED DETECTORS; RADIATION; PHOTODETECTORS; MICROBOLOMETER; PHOTORESPONSE;

D O I：

10.1364/OE.17.021808

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Room temperature operating thermal detection for mid-infrared light based on ZnO subwavelength wires has been demonstrated. Electric resistance in ZnO wires increases linearly with the intensity of incident light. Noise equivalent power (NEP) of 5.8 mu W/Hz(1/2) (at 1 kHz) with typical response times as fast as 1.3 ms is obtained at 10.6-mu m wavelength. The sensitivity and response time of the detector are also found to be insensitive to the ambient. (C) 2009 Optical Society of America

引用

收藏

页码：21808 / 21812

页数：5

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