Title :
Novel distributed fiber temperature and strain sensor using coherent radio-frequency detection of spontaneous Brillouin scattering
Author :
Geng, Jihong ; Staines, Sean ; Blake, Mike ; Jiang, Shibin
Author_Institution :
NP Photonics Inc., Tucson
Abstract :
A novel technique that enables coherent detection of spontaneous Brillouin scattering in radio-frequency region has been demonstrated for distributed measurements of temperature and strain in long fiber by using a CW single-frequency Brillouin fiber laser.
Keywords :
Brillouin spectra; distributed sensors; fibre lasers; fibre optic sensors; measurement by laser beam; optical fibre testing; strain sensors; temperature sensors; CW single-frequency Brillouin fiber laser; coherent radio-frequency detection; distributed fiber strain sensor; distributed fiber temperature sensor; distributed measurement; long fiber measurement; spontaneous Brillouin scattering; Brillouin scattering; Capacitive sensors; Fiber lasers; Optical fiber cables; Optical fiber sensors; Pulse modulation; Radio frequency; Strain measurement; Temperature measurement; Temperature sensors;
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.2007.4453759
