Simultaneous measurement of temperature and strain based on arc-induced long-period fiber gratings. A case study

被引：6
|
作者：
Rego, G. [1 ,2 ]
机构：
[1] INESC Porto, UOSE, P-4169007 Oporto, Portugal
[2] Escola Super Tecnol & Gestao IPVC, P-4900348 Viana Do Castelo, Portugal
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2008年 / 50卷 / 09期
关键词：
temperature and strain measurement; optical sensing; long-period fiber gratings; arc-induced gratings;
D O I：
10.1002/mop.23644
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a potential sensor head for the simultaneous measurement of temperature and strain based on the concatenation of two long-period fiber gratings arc-induced in different fibers. Despite being the temperature and strain sensitivities of the individual gratings well defined, we demonstrate that the sensor cannot perform the simultaneous measurement of those physical parameters. This fact, results from the uncertainty in finding the determinant of the inverse matrix. (C) 2008 Wiley Periodicals, Inc.
引用
收藏
页码：2472 / 2474
页数：3
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