Title :
Localization of a loss-inducing perturbation with variable accuracy along a test fiber using transmission-reflection analysis
Author :
Spirin, Vasilii V. ; Mendieta, F.J. ; Miridonov, S.V. ; Shlyagin, M.G. ; Chtcherbakov, Anatoli A. ; Swart, Pieter L.
Author_Institution :
Div. de Fisica Aplicada, CICESE, Ensenada, Mexico
Abstract :
We report on the detection of a loss-inducing perturbation with variable localization accuracy along a test fiber based on the analysis of transmitted and reflected powers of an unmodulated continuous-wave light source. The required accuracy of localization is provided by suitable distribution of the differential reflectivity along the fiber. The localization accuracy for a strong disturbance has been estimated as ± 1.0 m along the 3.939-km single-mode test fiber and as ± 5.0 mm along a designated 10-cm fiber part for both strong and weak perturbations.
Keywords :
fibre optic sensors; optical fibre losses; optical fibre testing; optical loss measurement; reflectivity; 10 cm; 10-cm fiber; 3.939 km; 3.939-km single-mode test fiber; differential reflectivity; loss-inducing perturbation localization; transmission-reflection analysis; unmodulated continuous-wave light source; variable accuracy; variable localization accuracy; Bragg gratings; Fiber gratings; Light sources; Optical attenuators; Optical fiber communication; Optical fiber sensors; Optical fiber testing; Optical sensors; Propagation losses; Superluminescent diodes;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.821048