The Design of Bending Long Period of Photonic Crystal Fiber Grating Sensors - Optics and Photonics Journal

OPJ > Vol.6 No.8, August 2016

The Design of Bending Long Period of Photonic Crystal Fiber Grating Sensors ()

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Download as PDF (Size: 356KB) PP. 120-126

DOI: 10.4236/opj.2016.68B020 1,584 Downloads 2,473 Views Citations

Author(s)

Xianlun Yu, Weidong Gao, Yong Qu, Shunjun Shu

Affiliation(s)

Key Laboratory of Signal and Information Processing, The Chongqing Three Gorges University, Chongqing, China.

ABSTRACT

The bending photonic crystal fiber grating sensor is an important role in underwater monitoring and fire alarm systems. It is studied that the resonant wavelength expression of bending long period photonic crystal fiber gratings is deduced, it is designed that a bending long period photonic crystal fiber grating sensor system, it is calculated in theory that between the bending long period photonic crystal fiber gratings sensor resonance wavelength and the grating period and the bending strain. The result is shown by calculating and analysing in theory, the grating curvature is increased by the increase of the bending strain of the grating, and the resonance wavelength of the grating sensor is drifted, the drift amount is increased, one in this grating, the drifted amount of the resonant wavelength is 0.014 nm.

KEYWORDS

Fiber Optics, Photonic Crystal Fiber, Photonic Crystal Fiber Grating Bending Sensor

Share and Cite:

Yu, X. , Gao, W. , Qu, Y. and Shu, S. (2016) The Design of Bending Long Period of Photonic Crystal Fiber Grating Sensors. Optics and Photonics Journal, 6, 120-126. doi: 10.4236/opj.2016.68B020.

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