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

Hongbiao Duan; Xinwei Lan; Tao Wei; Yinan Zhang; Hai Xiao

doi:10.1117/12.850189

28 April 2010 Characteristics and application of phase-shifted long-period fiber grating fabricated by CO2 laser

Hongbiao Duan, Xinwei Lan, Tao Wei, Yinan Zhang, Hai Xiao

Proceedings Volume 7682, Photonic Microdevices/Microstructures for Sensing II; 768207 (2010) https://doi.org/10.1117/12.850189
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

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.

Citation Download Citation

Hongbiao Duan, Xinwei Lan, Tao Wei, Yinan Zhang, and 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); https://doi.org/10.1117/12.850189

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