Embedded long-period fiber grating bending sensor

被引：19
|
作者：
Tan, KM [1 ]
Chan, CC [1 ]
Tjin, SC [1 ]
Dong, XY [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Photon Lab 1, Singapore 639798, Singapore
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2006年 / 125卷 / 02期
关键词：
long-period grating; bending measurement;
D O I：
10.1016/j.sna.2005.08.026
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：
The use of embedded long-period grating (ELPG) in carbon-fliber composite laminate for bending measurement has been demonstrated in this paper. As the bending curvature increases on the ELPG laminate, the coupling strength of the cladding mode decreases while the resonance wavelength remains relatively constant. The ELPG yields a sensitivity of 5.065 dB m(-1) and repeatability of 98.1% up to a bending curvature of 2 m(-1). It also can be used to determine direction of the bend. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：267 / 272
页数：6
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