DocumentCode
1128511
Title
Noise limit in heterodyne Interferometer demodulator for FBG-based sensors
Author
Shi, C.Z. ; Ho, H.L. ; Jin, W. ; Chan, C.C. ; Chan, P.K.C. ; Zhou, Y. ; Liao, Y.B.
Author_Institution
Dept. of Electr. Eng., Hong Kong Polytech. Univ., China
Volume
22
Issue
10
fYear
2004
Firstpage
2287
Lastpage
2295
Abstract
This paper reports the results of a recent investigation on the noise-limited performance in heterodyne interferometric demodulation systems for fiber Bragg grating strain sensors. Theoretical and simulation results are presented and compared with experimental results.
Keywords
Bragg gratings; demodulation; fibre optic sensors; heterodyne detection; light interferometry; optical noise; strain sensors; FBG-based sensors; Fiber Bragg grating; dynamic strain; heterodyne interferometer demodulator; heterodyne interferometric demodulation; noise limit; strain sensors; Arm; Bragg gratings; Capacitive sensors; Demodulation; Fiber gratings; Frequency; Optical interferometry; Phase detection; Sensor systems; Strain measurement; Dynamic strain; fiber Bragg grating; heterodyne interferometric demodulation;
fLanguage
English
Journal_Title
Lightwave Technology, Journal of
Publisher
ieee
ISSN
0733-8724
Type
jour
DOI
10.1109/JLT.2004.833265
Filename
1341480
Link To Document