Title :
Prototype double-pulse BOTDR for measuring distributed strain with 20-cm spatial resolution
Author :
Sakairi, Yoshiyuki ; Matsuura, Satoshi ; Adachi, Shoji ; Koyamada, Yahei
Author_Institution :
Grad. Sch. of Sci. & Eng., Ibaraki Univ., Ibaraki
Abstract :
We developed a prototype double-pulse BOTDR (DP-BOTDR) system. The system can measure a distributed Brillouin frequency shift, i.e., the distributed strain and temperature, with a spatial resolution of 20 cm and accuracy of plusmn 20 mustain.
Keywords :
Brillouin spectra; backscatter; optical time-domain reflectometry; strain measurement; Brillouin backscattering; Brillouin optical time-domain reflectmeter; distributed Brillouin frequency shift; distributed strain; double-pulse BOTDR; spatial resolution; Acoustic scattering; Brillouin scattering; Frequency measurement; Light scattering; Optical scattering; Prototypes; Pulse measurements; Space vector pulse width modulation; Spatial resolution; Strain measurement;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610469