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Improving the detection accuracy in fiber Bragg grating sensors by using a wavelet filter

C. C. CHAN1, N. NI1,* , J. SUN1

Affiliation

  1. Blk. N1.3, Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457

Abstract

Wavelet digital filter is designed and demonstrated to reduce the Bragg wavelength detection error in a fiber Bragg grating (FBG) strain sensor. Simulation and experimental results show that the wavelet filtering technique is a promising approach to enhance the measurement accuracy of the FBG strain sensor..

Keywords

Fiber Bragg grating, Wavelet filter, Detection accuracy.

Submitted at: May 21, 2007
Accepted at: Aug. 18, 2007

Citation

C. C. CHAN, N. NI, J. SUN, Improving the detection accuracy in fiber Bragg grating sensors by using a wavelet filter, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 8, pp. 2376-2379 (2007)