Title :
40 km long-range Raman-based distributed temperature sensor with meter-scale spatial resolution
Author :
Signorini, A. ; Faralli, S. ; Soto, M.A. ; Sacchi, G. ; Baronti, F. ; Barsacchi, R. ; Lazzeri, A. ; Roncella, R. ; Bolognini, G. ; Di Pasquale, F.
Author_Institution :
Scuola Superiore Sant´´Anna, Pisa, Italy
Abstract :
We propose a new Raman based distributed measurement technique which allows for temperature sensing over nearly 40 km of graded index multimode optical fiber with meter-scale spatial resolution and temperature accuracy better than 3°C.
Keywords :
fibre optic sensors; temperature sensors; Raman-based distributed temperature sensor; distributed measurement technique; graded index multimode optical fiber; meter-scale spatial resolution; size 40 km; temperature accuracy; Fiber nonlinear optics; Optical distortion; Optical fiber sensors; Optical fiber theory; Optical pulses; Optical scattering; Optical sensors; Raman scattering; Spatial resolution; Temperature sensors;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1