Title :
OTDR pulse power limit in on-line monitoring of optical fibres owing to stimulated Raman scattering
Author_Institution :
Inst. for Commun. Technol., Tech. Univ. of Darmstadt, Germany
fDate :
3/28/1996 12:00:00 AM
Abstract :
If a singlemode fibre is monitored with an optical time-domain reflectometer (OTDR) at 1.65 μm, stimulated Raman scattering causes nonlinear loss for a transmission channel at 1.55 μm. Calculations show that in some cases the permitted OTDR pulse power is limited to a few milliwatts
Keywords :
monitoring; optical fibre communication; optical fibre losses; optical fibre testing; optical time-domain reflectometry; stimulated Raman scattering; 1.55 micron; 1.65 micron; OTDR pulse power limit; nonlinear loss; online monitoring; optical fibres; optical time-domain reflectometer; singlemode fibre; stimulated Raman scattering; transmission channel;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19960431