Metal-coated fiber Bragg grating for dynamic temperature sensor

被引：49

作者：

Hsiao, Te-Ching ^{[1
]}

Hsieh, Tso-Sheng ^{[1
]}

Chen, Yi-Chian ^{[1
]}

Huang, Shyh-Chour ^{[1
]}

Chiang, Chia-Chin ^{[1
]}

机构：

[1] Natl Kaohsiung Univ Appl Sci, Dept Mech Engn, 415 Chien Kung Rd, Kaohsiung 807, Taiwan

来源：

OPTIK | 2016年 / 127卷 / 22期

关键词：

Fiber Bragg grating (FBG); CrN-coated FBG sensor; Bragg wavelength shift; Temperature sensitivity; HUMIDITY SENSOR;

D O I：

10.1016/j.ijleo.2016.08.110

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper focuses on the performance of a metal-coated fiber Bragg grating (FBG) used as a high temperature sensor. Specifically, the performance of a chromium nitride (CrN)-coated FBG sensor was evaluated in extreme temperature environments. Using an optical spectrum analyzer (OSA), the reflection spectra of the CrN-coated FBG sensor were measured and compared with those of bare FBG for temperatures ranging from 100 degrees C to 650 degrees C. In this way, the Bragg wavelength shift and temperature sensitivity of both types of FBG were obtained. The results indicated that the CrN-coated FBG sensor exhibited a 14.0 pm/degrees C greater temperature sensitivity than the bare FBG. (C) 2016 Elsevier GmbH. All rights reserved.

引用

页码：10740 / 10745

页数：6

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