Sapphire-fiber-based distributed high-temperature sensing system

被引：60

作者：

Liu, Bo ^{[1
]}

Yu, Zhihao ^{[1
]}

Hill, Cary ^{[2
]}

Cheng, Yujie ^{[2
]}

Homa, Daniel ^{[2
]}

Pickrell, Gary ^{[2
]}

Wang, Anbo ^{[1
]}

机构：

[1] Virginia Tech, Bradley Dept Elect & Comp Engn, 460 Turner St,Suite 303, Blacksburg, VA 24061 USA

[2] Virginia Tech, Dept Mat Sci & Engn, 213 Holden Hall, Blacksburg, VA 24060 USA

来源：

OPTICS LETTERS | 2016年 / 41卷 / 18期

关键词：

OPTICAL-FIBER; SENSOR; THERMOMETER; RESOLUTION;

D O I：

10.1364/OL.41.004405

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present, for the first time to our knowledge, a sapphire-fiber-based distributed high-temperature sensing system based on a Raman distributed sensing technique. High peak power laser pulses at 532 nm were coupled into the sapphire fiber to generate the Raman signal. The returned Raman Stokes and anti-Stokes signals were measured in the time domain to determine the temperature distribution along the fiber. The sensor was demonstrated from room temperature up to 1200 degrees C in which the average standard deviation is about 3.7 degrees C and a spatial resolution of about 14 cm was achieved. (C) 2016 Optical Society of America

引用

页码：4405 / 4408

页数：4

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