Tilted Fibre Bragg Gratings and Phase Sensitive-Optical Low Coherence Interferometry for refractometry and liquid level sensing

被引：16

作者：

Obaton, A. F. ^{[1
]}

Laffont, G. ^{[2
]}

Wang, C. ^{[1
]}

Allard, A. ^{[1
]}

Ferdinand, P. ^{[2
]}

机构：

[1] Lab Commun Metrol LNE CNAM LCM, Lab Natl Metrol & Essais LNE, F-78197 Trappes, France

[2] CEA LIST, Lab Mesures Opt, F-91191 Gif Sur Yvette, France

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2013年 / 189卷

关键词：

Optical fibre sensor; Tilted Fibre Bragg Grating; Liquid level sensor; Refractometry; Interferometry; PRESSURE SENSOR; REFLECTOMETRY;

D O I：

10.1016/j.sna.2012.10.020

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：

A set-up based on an interferometric technique and including tilted Fibre Bragg Gratings has been used to provide refractive index and liquid level measurements. Such gratings have been investigated using the well-known Phase Sensitive-Optical Low Coherence Interferometry technique. This combination provides very promising refractometry sensing results, as the relative uncertainty on measurement is lower than 0.04% in the range 1.37-1.40 and shows a clear potential in liquid level sensing. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：451 / 458

页数：8

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