Title :
Spontaneous Brillouin scattering for single-mode optical-fibre characterisation
Author :
Tkach, R.W. ; Chraplyvy, A.R. ; Derosier, R.M.
Author_Institution :
AT&T Bell Laboratories, Crawford Hill Laboratory, Holmdel, USA
Abstract :
Spontaneous backward Brillouin scattering is demonstrated to be a sensitive probe of fibre characteristics using a heterodyne detection technique. Relative differences in GeO2 concentration from fibre to fibre as small as 0.01% can be detected.
Keywords :
Brillouin spectra; backscatter; optical fibres; optical testing; SiO2-GeO2; heterodyne detection technique; optical testing; sensitive probe; single-mode optical-fibre characterisation; spontaneous Brillouin back scattering;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860691
