Dual-cavity interferometric wavelength-shift detection for in-fiber Bragg grating sensors

被引：33

作者：

Rao, YJ ^{[1
]}

Jackson, DA ^{[1
]}

Zhang, L ^{[1
]}

Bennion, I ^{[1
]}

机构：

[1] ASTON UNIV,DEPT ELECT ENGN,PHOTON RES GRP,BIRMINGHAM B4 7ET,W MIDLANDS,ENGLAND

来源：

OPTICS LETTERS | 1996年 / 21卷 / 19期

关键词：

D O I：

10.1364/OL.21.001556

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A dual-cavity interrogation method used to enhance the unambiguous measurement range of in-fiber Bragg grating sensors with high-resolution interferometric wavelength-shift detection is described. This novel technique is based on the use of two sets Of fringes obtained with a stepped interferometric wavelength scanner with dual cavity lengths. We demonstrate the concept by interrogating an in-fiber grating temperature sensor with a stepped Michelson wavelength scanner. (C) 1996 Optical Society of America

引用

页码：1556 / 1558

页数：3

共 14 条

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