A novel fiber-optic temperature sensor based on high temperature-dependent optical properties of ZnO film on sapphire fiber-ending

被引：15

作者：

Cai, Pinggen ^{[1
]}

Zhen, Dong ^{[1
]}

Xu, Xiaojun ^{[1
]}

Liu, Yulin ^{[1
]}

Chen, Naibo ^{[2
]}

Wei, Gaorao ^{[1
]}

Sui, Chenghua ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Dept Appl Phys, Hangzhou 310014, Zhejiang, Peoples R China

[2] Zhejiang Univ Technol, Zhijiang Coll, Dept Sci, Hangzhou 310024, Zhejiang, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2010年 / 171卷 / 1-3期

关键词：

ZnO thin film; Optical absorption spectra; Fiber-optic sensor; ANNEALING TEMPERATURE;

D O I：

10.1016/j.mseb.2010.03.083

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the growth of high-quality thin films of ZnO via an electron-beam evaporation technique. Studies of the transmittance spectra have revealed a sharp optical absorption edge and a significant redshift. After annealing at 673 K, the ZnO films again demonstrated a sharp absorption edge in a manner similar to the as-deposited samples. This illustrates the excellent thermal stability of the thin films and, as such, demonstrates their potential as fiber-optic temperature sensors. Utilizing the influence of optical absorption spectra at different temperatures, a novel fiber-optic temperature sensor based on this material has been designed and tested. This technique could offer a simple, robust and cost-effective method to be used in high temperature sensing applications. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：116 / 119

页数：4

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