Title :
High-precision and one-end accessible brillouin optical time domain analysis system using round-tripped phase-modulated probe light
Author :
Tsuji, Kenichiro ; Oiwa, Masaki ; Minami, Shunsuke ; Onodera, Noriaki ; Saruwatari, Masatoshi
Author_Institution :
Dept. of Commun. Eng., Nat. Defense Acad., Yokosuka, Japan
Abstract :
We propose and demonstrate an accurate and one-end accessible BOTDA system by round-tripping the pump and doubly phase-modulated probe lights through the sensing fibers with a Faraday rotation mirror. The availability of the method is experimentally confirmed.
Keywords :
Brillouin spectra; Faraday effect; fibre optic sensors; mirrors; optical modulation; time-domain analysis; Brillouin optical time domain analysis system; Faraday rotation mirror; phase-modulated probe lights; round-tripped phase-modulated probe light; sensing fibers; Brillouin scattering; Frequency measurement; Frequency modulation; Mirrors; Optical scattering; Phase measurement; Probes; Strain measurement; Temperature sensors; Time domain analysis;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5219051
