Simultaneous measurement of strain and temperature based on clover microstructured fiber loop mirror

被引：12
作者：
Perez-Herrera, R. A. [1 ]
Andre, R. M. [2 ]
Silva, S. F. [2 ]
Becker, M. [3 ]
Schuster, K. [3 ]
Kobelke, J. [3 ]
Lopez-Amo, M. [1 ]
Santos, J. L. [2 ]
Frazao, O. [2 ]
机构：
[1] Univ Publ Navarra, Dept Elect & Elect Engn, Pamplona, Spain
[2] INESC Porto, P-687 Oporto, Portugal
[3] Leibniz Inst Photon Technol, D-07745 Jena, Germany
来源：
MEASUREMENT | 2015年 / 65卷
关键词：
Interferometers; Fiber optic sensors; Multimode interference; Photonic crystal fibers; POLARIZATION-MAINTAINING FIBER; SENSOR; INTERFEROMETER;
D O I：
10.1016/j.measurement.2014.12.052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, two all-fiber loop mirrors using a clover microstructured fiber for the simultaneous measurement of temperature and strain are presented. The sensing heads are formed by a short piece of clover microstructured fiber with 35 mm and 89 mm length respectively. The geometry of the fiber allowed observing different interferences created by the microstructured fiber core section. Different sensitivities to temperature and strain were obtained and, using a matrix method, it is possible to discriminate both physical parameters. Resolutions of +/- 2 degrees C and +/- 11 mu epsilon for the first structure and +/- 2.3 degrees C and +/- 18 mu epsilon for the second one, for temperature and strain, respectively, were attained. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：50 / 53
页数：4
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