FBGs written in specialty fiber for high pressure/high temperature measurement

被引：40

作者：

Huang, Ji-Ying ^{[1
,2
]}

Van Roosbroeck, Jan ^{[2
]}

Vlekken, Johan ^{[2
]}

Martinez, Antonio Bueno ^{[1
]}

Geernaert, Thomas ^{[3
]}

Berghmans, Francis ^{[3
]}

Van Hoe, Bram ^{[2
]}

Lindner, Eric ^{[2
]}

Caucheteur, Christophe ^{[1
]}

机构：

[1] Univ Mons, Fac Polytech, Electromagnetism & Telecommun Dept, Blvd Dolez 31, B-7000 Mons, Belgium

[2] FBGS Int NV, Bell Telephonelaan 2H, B-2440 Geel, Belgium

[3] Vrije Univ Brussel, Dept Appl Phys & Photon TONA, Brussels Photon B PHOT, Pl Laan 2, B-1050 Brussels, Belgium

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 15期

关键词：

BRAGG GRATINGS; MICROSTRUCTURED FIBERS; FEMTOSECOND RADIATION; IR LASER; SILICA; SENSITIVITY; FABRICATION;

D O I：

10.1364/OE.25.017936

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we evaluate different thermal treatments in order to stabilize fiber Bragg gratings written by a femtosecond pulsed laser in specialty highly birefringent micro-structured optical fiber, targeting pressure monitoring at high pressure and high temperature environments. We have obtained a pressure sensitivity of 3.30 pm/bar up to 1400 bar and 290 degrees C. An effective thermal treatment has been experimentally implemented, yielding a nearly unchanged reflectivity at high temperature in combination with stable temperature and pressure readings: a standard deviation of 0.42 bar in the pressure reading was observed over 7 days at 280 degrees C. (C) 2017 Optical Society of America

引用

页码：17936 / 17947

页数：12

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