Title :
Distributed temperature and strain sensing using spontaneous Brillouin scattering in optical few-mode fibers
Author :
Yi Weng ; Ip, Ezra ; Zhongqi Pan ; Ting Wang
Author_Institution :
NEC Labs. America, Inc., Princeton, NJ, USA
Abstract :
A novel approach to achieve simultaneous distributed temperature and strain sensing based on spontaneous Brillouin scattering in few-mode optical fibers is proposed and experimentally investigated, with high sensitivity using heterodyne detection and optical time-domain reflectometry.
Keywords :
Brillouin spectra; distributed sensors; fibre optic sensors; heterodyne detection; optical fibre testing; optical time-domain reflectometry; strain measurement; strain sensors; temperature measurement; temperature sensors; distributed strain sensing; distributed temperature sensing; heterodyne detection; optical few-mode fibers; optical time-domain reflectometry; spontaneous Brillouin scattering; Optical fiber sensors; Optical fibers; Strain; Temperature sensors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
