Title :
Coherent BOTDA sensor with suppressed chromatic dispersion
Author :
Li, Z.-L. ; Yan, L.-S. ; Shao, L.Y. ; Pan, W. ; Luo, B.
Author_Institution :
Center for Inf. Photonics & Commun., Southwest Jiaotong Univ., Chengdu, China
Abstract :
Intensity modulated probe is utilized in coherent BOTDA sensor to reduce chromatic dispersion effect instead of phase modulated probe. Reduction of ~6-MHz decoding error in Brillouin gain spectrum is achieved along 40-km sensing distance.
Keywords :
Brillouin spectra; decoding; fibre optic sensors; optical fibre dispersion; probes; time-domain analysis; Brillouin gain spectrum; Brillouin optical time domain analysis; chromatic dispersion; coherent BOTDA sensor; decoding error; distance 40 km; frequency 6 MHz; intensity modulated probe; phase modulated probe; Fitting; Frequency measurement; Optimized production technology; Photonics; Probes; Scattering; Sensors;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
