Title :
Enhanced long-range distributed strain and temperature sensing using BOTDA and optical pulse coding
Author :
Soto, Marcelo A. ; Bolognini, G. ; Pasquale, F. Di ; Thévenaz, L.
Author_Institution :
EPFL Swiss Federal Institute of Technology, Institute of Electrical Engineering, Group for Fibre Optics, STI IEL GR-SCI Station 11, CH-1015 Lausanne, Switzerland
Abstract :
Optical pulse coding is successfully applied to long-range sensors based on Brillouin optical time domain analysis, achieving a record of 1 meter spatial resolution over 50 km of SMF with 2.2°C / 44µɛ temperature/strain resolutions.
Keywords :
Brillouin scattering; Capacitive sensors; Fiber nonlinear optics; Frequency; Optical fiber sensors; Optical pulses; Optical sensors; Probes; Spatial resolution; Temperature sensors;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
