ELLIPTIC-CORE, 2-MODE OPTICAL FIBER SENSORS AS VIBRATION-MODE FILTERS

被引：8
|
作者：
VENGSARKAR, AM
FOGG, BR
MILLER, WV
MURPHY, KA
CLAUS, RO
机构：
[1] Fiber & Electro-Optics Research Center, Bradley Department of Electrical Engineering, Virginia Polytechnic Institute, State University, Blacksburg
来源：
ELECTRONICS LETTERS | 1991年 / 27卷 / 11期
关键词：
OPTICAL FIBERS; OPTICAL SENSORS; VIBRATION SENSORS;
D O I：
10.1049/el:19910582
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：
Ruggedised two-mode, elliptical-core fibre sensors are shown to be selective in sensing the different modal frequencies of vibration from a clamped-clamped beam. Sensor placement on a flexible structre is shown to be critical in the design of fibre sensors that measure an integral of strain over their entire sensing lengths. Experimental results confirm theoretical predictions and efficient vibration-mode selectivity is demonstrated.
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页码：931 / 932
页数：2
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