Simultaneous measurement of strain and temperature using Bragg gratings written in germanosilicate and boron-codoped germanosilicate fibers

被引：127

作者：

Cavaleiro, PM ^{[1
]}

Araújo, FM

Ferreira, LA

Santos, JL

Farahi, F

机构：

[1] INESC PORTO, Unidade Optoelect & Sistemas Elect, P-4169007 Porto, Portugal

[2] Univ Porto, Dept Fis, P-4169007 Porto, Portugal

[3] Univ N Carolina, Dept Phys, Charlotte, NC 28223 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1999年 / 11卷 / 12期

基金：

美国国家科学基金会;

关键词：

embedded sensors; fiber Bragg gratings; fiber optic sensors; simultaneous measurement;

D O I：

10.1109/68.806871

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 new fiber Bragg grating sensor configuration is presented for simultaneous measurement of strain and temperature. The sensor utilizes the effect of boron codoping on the temperature dependence of the refractive index in germanosilicate fibers. By writing gratings with close wavelengths in undoped and boron doped fibers, different temperature sensitivities are obtained while strain sensitivities remain the same. These gratings are then spliced to obtain a simple sensor head suitable for applications in smart structures and composite materials.

引用

页码：1635 / 1637

页数：3

共 16 条

[1] SIMULTANEOUS MEASUREMENT OF TEMPERATURE AND STRAIN - CROSS-SENSITIVITY CONSIDERATIONS [J].

FARAHI, F ;

WEBB, DJ ;

JONES, JDC ;

JACKSON, DA .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 1990, 8 (02) :138-142

[2] Simultaneous strain and temperature sensing using an interferometrically interrogated fibre Bragg grating written in bow-tie fibre [J].

Ferreira, LA ;

Araujo, FM ;

Santos, JL ;

Farahi, F .

EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS, 1998, 3483 :49-53

[3]

HAN YG, 1999, P 13 INT C OPT FIB S, P170

[4] Simultaneous independent temperature and strain measurement using in-fibre Bragg grating sensors [J].

James, SW ;

Dockney, ML ;

Tatam, RP .

ELECTRONICS LETTERS, 1996, 32 (12) :1133-1134

[5]

JONES JD, 1997, P 12 INT C OPT FIB S, P36

[6] SIMULTANEOUS STRAIN AND TEMPERATURE SENSING WITH PHOTOGENERATED IN-FIBER GRATINGS [J].

KANELLOPOULOS, SE ;

HANDEREK, VA ;

ROGERS, AJ .

OPTICS LETTERS, 1995, 20 (03) :333-335

[7] HIGH-RESOLUTION FIBER-GRATING BASED STRAIN SENSOR WITH INTERFEROMETRIC WAVELENGTH-SHIFT DETECTION [J].

KERSEY, AD ;

BERKOFF, TA ;

MOREY, WW .

ELECTRONICS LETTERS, 1992, 28 (03) :236-238

[8] Using in-fiber Bragg-grating sensors for measuring axial strain and temperature simultaneously on surfaces of structures [J].

Lo, YL .

OPTICAL ENGINEERING, 1998, 37 (08) :2272-2276

[9]

Mazurin O. V., 1985, HDB GLASS DATA

[10] Hybrid fiber Bragg grating/long period fiber grating sensor for strain/temperature discrimination [J].

Patrick, HJ ;

Williams, GM ;

Kersey, AD ;

Pedrazzani, JR ;

Vengsarkar, AM .

IEEE PHOTONICS TECHNOLOGY LETTERS, 1996, 8 (09) :1223-1225

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