Simultaneous spatial, time and wavelength division multiplexed in-fibre grating sensing network

被引：49
|
作者：
Rao, YJ [1 ]
Ribeiro, ABL [1 ]
Jackson, DA [1 ]
Zhang, L [1 ]
Bennion, I [1 ]
机构：
[1] UNIV ASTON,PHOTON RES CTR,DEPT ELECTR ENGN,BIRMINGHAM B4 7ET,W MIDLANDS,ENGLAND
来源：
OPTICS COMMUNICATIONS | 1996年 / 125卷 / 1-3期
基金：
英国工程与自然科学研究理事会; 英国惠康基金;
关键词：
D O I：
10.1016/0030-4018(95)00722-9
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simultaneous spatial, time and wavelength division multiplexing topology, with combination of a tunable wavelength filter and an interferometric wavelength scanner, is proposed to interrogate a range of in-fibre Bragg grating (FBG) sensors. An eleven-element FBG sensor network based upon this topology is demonstrated for quasi-static strain sensing. Preliminary experimental results show that a strain resolution of similar to 7 mu epsilon with a similar to 30 HZ bandwidth (similar to 1.3 mu epsilon/root Hz) for quasi-static strain measurement has been obtained.
引用
收藏
页码：53 / 58
页数：6
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