28 April 2010 Characteristics and application of phase-shifted long-period fiber grating fabricated by CO2 laser
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Abstract
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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Hongbiao Duan, Xinwei Lan, Tao Wei, Yinan Zhang, Hai Xiao, "Characteristics and application of phase-shifted long-period fiber grating fabricated by CO2 laser", Proc. SPIE 7682, Photonic Microdevices/Microstructures for Sensing II, 768207 (28 April 2010); doi: 10.1117/12.850189; https://doi.org/10.1117/12.850189
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