Paper Title:
Chemical Sensors Based on Fiber Bragg Grating
  Abstract

In this paper, measurement method for the refractive index of chemical substances based on fiber Bragg grating (FBG) sensor was proposed. The relation between Bragg wavelength shift and surrounding refractive index (SRI) was analyzed theoretically and experimentally. The SRI sensitivity of the chemical sensor could be enhanced by reducing the cladding thickness of the FBG using hydrofluoric acid (HF) solution etching process. The experimental results indicated that the variation of Bragg wavelength increased as the SRI increased. In the low SRI region, the relationship between the Bragg wavelength shift and the change of the SRI was approximately linear.

  Info
Periodical
Chapter
Optical and Visual Signal
Edited by
Aimin Yang, Jingguo Qu and Xilong Qu
Pages
582-585
DOI
10.4028/www.scientific.net/AMM.84-85.582
Citation
M. F. Zhao, D. Y. Huang, B. Zhou, L. Z. Jiao, "Chemical Sensors Based on Fiber Bragg Grating", Applied Mechanics and Materials, Vols. 84-85, pp. 582-585, 2011
Online since
August 2011
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Price
$35.00
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