Fabricating in fiber gratings in single crystal sapphire fiber

被引：1
|
作者：
Nam, SH [1 ]
Chavez, J [1 ]
Yin, S [1 ]
机构：
[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA
来源：
OPTICAL COMPONENTS AND MATERIALS | 2004年 / 5350卷
关键词：
single crystal sapphire fiber; in fiber gratings; harsh environment sensor; temperature sensor; pressure sensor;
D O I：
10.1117/12.529616
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, we propose an innovative extremely harsh environment (up to 2000 degreesC) distributed temperature sensor by fabricating in-fiber gratings in single crystal sapphire fibers. Temperature is sensed by changing grating optical spectral response. By cascading a set of gratings in the same single crystal sapphire fiber, distributed sensing can be achieved. A quantitative analysis on grating design, fabrication, and performance is presented. Some preliminary experimental results are also reported. Application of this unique in-fiber grating to extremely harsh environment temperature sensor will be performed in the near future.
引用
收藏
页码：58 / 65
页数：8
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