Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18857
Title: FBG sensor interrogation based on RF signal measurement
Authors: Dong, X
Shao, LY
Fu, HY
Tam, HY 
Lu, C 
Keywords: Fiber Bragg grating sensor
Interrogation
Photodetector
Radio frequency
Issue Date: 2008
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2008, v. 7004, 700423 How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: A novel interrogation method for optical fiber Bragg grating (FBG) sensors has been proposed by converting the change of the FBG wavelength into the phase difference between two radio frequency (RF) signals. As a result, the beating-induced RF signal power changes with the FBG wavelength shift. This technique could be used for high speed FBG interrogation and, due to the use of a second FBG to produce the reference RF signal, temperature cross-sensitivity effect is compensated automatically. Theoretical analysis and experimental demonstration have been carried out. Performances of the FBG sensor interrogation scheme have been studied.
Description: 19th International Conference on Optical Fibre Sensors, Perth, WA, 15-18 April 2008
URI: http://hdl.handle.net/10397/18857
ISBN: 9780819472045
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.785928
Appears in Collections:Conference Paper

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