Title :
Improving the wavelength detection accuracy of FBG sensors using an ADALINE network
Author :
Chan, C.C. ; Shi, C.Z. ; Jin, W. ; Wang, D.N.
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore
Abstract :
We report the use of an adaptive linear network for enhancing the wavelength detection accuracy in fiber Bragg grating sensors. A wavelength detection accuracy of /spl sim/10 pm is experimentally achieved when the unwanted interferometric signals are presented.
Keywords :
Bragg gratings; fibre optic sensors; strain measurement; strain sensors; ADALINE network; FBG sensors; adaptive linear network; fiber Bragg grating sensors; fibre optic sensors; quasi-distributed strain measurement; strain sensors; strain variation; unwanted interferometric signals; wavelength detection accuracy; Adaptive systems; Bragg gratings; Fiber gratings; Least squares approximation; Low pass filters; Neurons; Signal to noise ratio; Strain measurement; Tunable circuits and devices; Wavelength measurement;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.815360
