Simultaneous measurement of curvature and strain using a suspended multicore fiber

被引：39
|
作者：
Silva, R. M. [1 ]
Ferreira, M. S. [1 ]
Kobelke, J. [2 ]
Schuster, K. [2 ]
Frazao, O. [1 ]
机构：
[1] INESC Porto, P-4169007 Oporto, Portugal
[2] IPHT Inst Photon Technol, D-07745 Jena, Germany
来源：
OPTICS LETTERS | 2011年 / 36卷 / 19期
关键词：
PHASE SUPERMODE OPERATION; TWIN-CORE FIBER; BRAGG GRATINGS; TEMPERATURE;
D O I：
10.1364/OL.36.003939
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A suspended multicore fiber sensor for simultaneous measurement of curvature and strain is proposed. The spectral response shows evidences of several interferences arising from the seven cores of the fiber. Once the sensing head presents different sensitivities for curvature and strain measurements, these physical parameters can be discriminated by using the matrix method. The rms deviations are +/- 19m(-1) and +/- 12:90 mu epsilon for curvature and strain measurements, respectively. (C) 2011 Optical Society of America
引用
收藏
页码：3939 / 3941
页数：3
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