Title :
Simplified Brillouin Optical Correlation Domain Analysis System with Optimized Time-Gating Scheme
Author :
Song, Kwang Yong ; Hotate, Kazuo
Author_Institution :
Univ. of Tokyo, Tokyo
Abstract :
We report a simplified Brillouin optical correlation domain analysis system with an optimized time-gating scheme for noise suppression. Distributed strain sensing with 7 cm spatial resolution and 1 km measurement range is successfully demonstrated.
Keywords :
Brillouin spectra; Mach-Zehnder interferometers; distributed sensors; fibre optic sensors; interference suppression; optical delay lines; optical noise; strain sensors; Brillouin optical correlation domain analysis; Mach-Zehnder delay line; distributed strain sensing; fiber optic sensor; noise suppression; optimized time-gating scheme; spatial resolution; Brillouin scattering; Frequency; High speed optical techniques; Optical attenuators; Optical modulation; Optical pumping; Optical scattering; Optical sensors; Probes; Strain measurement;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452841
