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Type: 
Conference
Description: 
A long-range fast-measurement Raman-based distributed temperature sensor (RDTS) with a meter spatial resolution exploiting a quasi-periodic pulse-coding technique is proposed in this paper. We experimentally demonstrate the feasibility of temperature sensing over 26 km standard single-mode fiber with 1 m spatial resolution obtaining 3°C of temperature resolution within 30 s of measurement time. Experimental results employing 1023-bits codewords are also reported, showing a notable range enhancement and enabling distributed sensing over 58 km distance with 2 m spatial resolution and 4°C of temperature resolution within 5 min measurement time.
Publisher: 
IEEE
Publication date: 
28 Oct 2011
Authors: 

Marcelo A Soto, Tiziano Nannipieri, Alessandro Signorini, Gabriele Bolognini, Fabrizio Di Pasquale, Andrea Lazzeri, Federico Baronti, Roberto Roncella

Biblio References: 
Pages: 878-881
Origin: 
SENSORS, 2011 IEEE