Characteristics and application of phase-shifted long-period fiber grating fabricated by CO2 laser

被引：0
|
作者：
Duan, Hongbiao [1 ]
Lan, Xinwei [1 ]
Wei, Tao [1 ]
Zhang, Yinan [1 ]
Xiao, Hai [1 ]
机构：
[1] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65409 USA
来源：
PHOTONIC MICRODEVICES/MICROSTRUCTURES FOR SENSING II | 2010年 / 7682卷
关键词：
Fiber optic sensor; long period fiber grating; phase shift; strain; temperature; refractive index; TEMPERATURE; STRAIN; IRRADIATION; ARC;
D O I：
10.1117/12.850189
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Long period fiber grating (LPFG) has been attracted much attention for use in optical sensing applications and optical communication systems. Compared with a regular LPFG, the phase shift long period fiber grating (PS-LPFG) has shown certain unique advantages such as higher sensitivity and potentials for simultaneous measurements of multiple parameters. This paper presents the fabrication and characterization of PS-LPFG by CO2 laser point-by-point irradiations. We emphasis on the difference between LPFG and PS-LPFG as optical sensors for measurement of strain, temperature and refractive index.
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页数：7
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