High-temperature optical sensor based in high birefringence regenerated FBGs and a simple interrogation scheme

被引：4

作者：

Barrera, D. ^{[1
]}

Sales, S. ^{[1
]}

机构：

[1] Univ Politecn Valencia, Opt & Quantum Commun Grp, ITEAM Res Inst, Valencia 46022, Spain

来源：

FIFTH EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS | 2013年 / 8794卷

关键词：

Optical fiber sensors; Regenerated Fiber Bragg Gratings; High-temperature; High-Birefringence;

D O I：

10.1117/12.2026696

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

We present the fabrication and characterization of regenerated fiber Bragg gratings (RFBG) in high-birefringence optical fiber for high-temperature sensing. The RFBG presents two Bragg resonances corresponding to the slow and fast axis of the optical fiber. The distance between these two Bragg resonances can be used to reduce the cost of the interrogation unit. Two optical filters are used to convert the wavelength shift due to temperature into optical power changes. The use of modal interferometers for the optical filters simplifies the interrogation setup since they can be easily tuned by strain or temperature.

引用

页数：5

共 5 条

[1] Low-Loss Photonic Crystal Fiber Interferometers for Sensor Networks [J].

Barrera, David ;

Villatoro, Joel ;

Finazzi, Vittoria P. ;

Alejandro Cardenas-Sevilla, Guillermo ;

Minkovich, Vladimir P. ;

Sales, Salvador ;

Pruneri, Valerio .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 2010, 28 (24) :3542-3547

[2] Nitrogen-doped silica-core fibres for Bragg grating sensors operating at elevated temperatures [J].

Butov, O. V. ;

Dianov, E. M. ;

Golant, K. M. .

MEASUREMENT SCIENCE AND TECHNOLOGY, 2006, 17 (05) :975-979

[3] Extreme Silica Optical Fibre Gratings [J].

Canning, John ;

Stevenson, Michael ;

Bandyopadhyay, Somnath ;

Cook, Kevin .

SENSORS, 2008, 8 (10) :6448-6452

[4] Sapphire fiber Bragg grating sensor made using femtosecond laser radiation for ultrahigh temperature applications [J].

Grobnic, D ;

Mihailov, SJ ;

Smelser, CW ;

Ding, HM .

IEEE PHOTONICS TECHNOLOGY LETTERS, 2004, 16 (11) :2505-2507

[5]

Othonos A., 1999, ART H OPTO

← 1 →