FBG Concentration Chemical Sensor with Three Layer Structure

Zhao Xia Wu; Yu Cheng Li; Er Dan Gu; Wei Jin; Wen Chao Li

doi:10.4028/www.scientific.net/AMM.530-531.33

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 530-531FBG Concentration Chemical Sensor with Three Layer...

FBG Concentration Chemical Sensor with Three Layer Structure

Abstract:

FBG concentration chenical sensor with three layer structure is proposed in this paper. And through experimental study and reasoning calculation to verify the three layer structure of the optical waveguide model, so the sensitivity characteristic of the Bragg wavelength to the refractive index of chemical solution is obtained. And the relationships between the concentration and the shift of Bragg wavelength of sucrose, ethanol, and Nacl solution are achieved. Finally the shifts of the Bragg wavelength with the external concentration are obtained by experiments.

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Periodical:

Applied Mechanics and Materials (Volumes 530-531)

Pages:

33-36

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.530-531.33

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Online since:

February 2014

Authors:

Zhao Xia Wu*, Yu Cheng Li, Er Dan Gu, Wei Jin, Wen Chao Li

Keywords:

Concentration, Fiber Bragg Grating (FBG), Refractive Index, Three-Layer Structure

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* - Corresponding Author

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