Novel Optical Fiber Bragg Grating Designs for Vector Bending Measurement

被引：0
|
作者：
Feng, Dingyi [1 ,2 ]
Qiao, Xueguang [1 ]
Albert, Jacques [2 ]
机构：
[1] Northwest Univ, Dept Phys, Xian 710069, Shaanxi, Peoples R China
[2] Carleton Univ, Dept Elect, 1125 Colonel Dr, Ottawa, ON K1S 5B6, Canada
来源：
2016 15TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2016年
基金：
中国国家自然科学基金; 加拿大自然科学与工程研究理事会;
关键词：
Optics fiber sensor; fiber Bragg grating; bending measurement;
D O I：
暂无
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：
Two novel fiber Bragg grating (FBG) based sensing schemes are proposed and experimentally demonstrated for directional bending measurement: One of which is based on two weakly titled Bragg gratings spliced together with tilt planes at nearly 90 degree, followed by a cleaved end mirror; the other one is based on an off-axis printed FBG, which both exhibit large amount of cladding modes in transmission spectrum in contrast with that of a normal FBG. Well-chosen cladding resonances in these two structure are demonstrated respectively for ultra-sensitive bending measurement via power detection. Meanwhile the surrounding temperature is proven independent to fiber bent.
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页数：3
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