Title :
2-km-range and 2-cm-spatial-resolution Brillouin optical fiber sensor using a transient differential pulse pair
Author :
Dong, Y. Ongkang ; Bao, Xiaoyi ; Chen, Liang
Author_Institution :
Dept. of Phys., Univ. of Ottawa, Ottawa, ON, Canada
Abstract :
We report a long-range and high-spatial-resolution Brillouin optical time-domain analysis based on differential pulse-width pair technique. A 2-cm spatial resolution with a 2°C temperature accuracy is realized over 2-km sensing length by using an optimized 8/8.2 ns transient pulse pair.
Keywords :
fibre optic sensors; long-range order; stimulated Brillouin scattering; time-domain analysis; Brillouin optical fiber sensor; Brillouin optical time-domain analysis; differential pulse-width pair; distance 2 km; high-spatial-resolution; long-range resolution; spatial resolution; transient differential pulse pair; Accuracy; Erbium-doped fiber amplifier; Heating; Probes; Sensors; Spatial resolution; Strain; differential technique; distributed optical fiber sensing; high-spatial-resolution; long-range; stmulated Brillouin scattering;
Conference_Titel :
Electronics and Optoelectronics (ICEOE), 2011 International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-61284-275-2
DOI :
10.1109/ICEOE.2011.6013412
