High Sensitive Directional Torsion Sensor Based on a Segmented Long-Period Fiber Grating

被引：30

作者：

Sun, Cuiting ^{[1
]}

Geng, Tao ^{[1
]}

He, Jiang ^{[1
]}

Zhou, Ai ^{[2
,3
]}

Yang, Wenlei ^{[1
]}

Jin, Xiren ^{[1
]}

Chen, Xudong ^{[1
]}

Zhou, Yu ^{[1
]}

Hu, Qihao ^{[1
]}

Yuan, Libo ^{[1
]}

机构：

[1] Harbin Engn Univ, Minist Educ China, Key Lab In Fiber Integrated Opt, Harbin 150001, Heilongjiang, Peoples R China

[2] Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430074, Hubei, Peoples R China

[3] Wuhan Univ Technol, Minist Educ China, Key Lab Fiber Opt Sensing Technol & Informat Proc, Wuhan 430074, Hubei, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2017年 / 29卷 / 24期

基金：

中国国家自然科学基金;

关键词：

Torsion sensor; long period fiber grating; discriminate direction; FREQUENCY CO2-LASER PULSES; TEMPERATURE;

D O I：

10.1109/LPT.2017.2768084

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 segmented long period fiber grating (LPFG)-based torsion sensor with both high sensitivity and ability to discriminate torsion direction is proposed and experimentally investigated. The sensor is made up of three spatial orthogonal short LPFGs by using a CO2 laser notched method. Experimental results show that the torsion sensitivities can reach -0.54 and 0.33 dB/(rad/ m) in dip depth and 0.30 and -0.14 nm/(rad/m) in resonance wavelength for clockwise and counterclockwise, respectively, in a single polarization state. Torsion rate and torsion direction can be measured simultaneously by the sensor. Moreover, the temperature sensitivity of the sensor has been determined as 0.067 nm/degrees C. Therefore, the proposed segmented-LPFG would have great potential applications in engineering and fiber sensors.

引用

页码：2179 / 2182

页数：4

共 17 条

[1] Polarization-dependent loss and birefringence in long-period fiber gratings [J].

Bachim, BL ;

Gaylord, TK .

APPLIED OPTICS, 2003, 42 (34) :6816-6823

[2] Optical fiber long-period grating sensors [J].

Bhatia, V ;

Vengsarkar, AM .

OPTICS LETTERS, 1996, 21 (09) :692-694

[3] Multi-phase-shifted helical long period fiber grating based temperature-insensitive optical twist sensor [J].

Gao, R. ;

Jiang, Y. ;

Jiang, L. .

OPTICS EXPRESS, 2014, 22 (13) :15697-15709

[4] Torsion-induced effects on UV-long period fiber gratings [J].

González, DA ;

Jáuregui, C ;

Quintela, A ;

Madruga, FJ ;

Marquez, P ;

López-Higuera, JM .

SECOND EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS: PROCEEDINGS, 2004, 5502 :192-195

[5] Corrugated long-period fiber gratings as strain, torsion, and bending sensors [J].

Lin, CY ;

Wang, LA ;

Chern, GW .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 2001, 19 (08) :1159-1168

[6] Novel fiber-optic sensors based on long-period fiber gratings written by high-frequency CO2 laser pulses [J].

Rao, YJ ;

Wang, YP ;

Ran, ZL ;

Zhu, T .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 2003, 21 (05) :1320-1327

[7] Torsion sensing with a fiber ring laser incorporating a pair of rotary long-period fiber gratings [J].

Shi, Leilei ;

Zhu, Tao ;

Fan, Yan-en ;

Chiang, Kin Seng ;

Rao, Yunjiang .

OPTICS COMMUNICATIONS, 2011, 284 (22) :5299-5302

[8] Spectral characterization of helicoidal long-period fiber gratings in photonic crystal fibers [J].

Shin, Woojin ;

Lee, Yeung Lak ;

Yu, Bong-Ahn ;

Noh, Young-Chul ;

Oh, Kyunghwan .

OPTICS COMMUNICATIONS, 2009, 282 (17) :3456-3459

[9] High strength coupling and low polarization-dependent long-period fiber gratings based on the helicoidal structure [J].

Shin, Woojin ;

Yu, Bong-Ahn ;

Lee, Yeung Lak ;

Noh, Young-Chul ;

Ko, Do-Kyeong ;

Lee, Jongmin .

OPTICAL FIBER TECHNOLOGY, 2008, 14 (04) :323-327

[10] Sensitivity characteristics of long-period fiber gratings [J].

Shu, XW ;

Zhang, L ;

Bennion, I .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 2002, 20 (02) :255-266

← 1 2 →