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Title: Improvement of measurement accuracy of FBG sensor systems by use of gas absorption lines as multi-wavelength references
Authors: Chan, CC
Jin, W 
Ho, HL
Wang, DN 
Wang, Y
Issue Date: 2001
Publisher: IEEE
Source: Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest, 2001, v. 1, p. I500-I501 How to cite?
Abstract: The use of gas absorption lines as multiwavelength references to enhance the measurement accuracy of fiber bragg grating (FBG) sensors were reported. The experiments with an external cavity tunable laser and acetylene absorption lines for a three-FBG sensor system demonstrated a wavelength measurement accuracy of -2pm. The Bragg wavelengths of the FBGs were determined by using linear relation and the FBG wavelengths obtained from the gaussian fitting. The standard deviation of the Bragg wavelengths for three FBGs was found to be 2.1pm, 1.9pm, and 2pm.
Description: 4th Pacific Rim Conference on Lasers and Electro-Optics, Chiba, 15-19 July 2001
Appears in Collections:Conference Paper

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