H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/12 (2006.01) G01M 11/00 (2006.01) H04B 10/08 (2006.01)
Patent
CA 2267781
A path couples a pair of optical fibers in an optical transmission system. The transmission system includes a plurality of optical amplifiers (17, 18) placed along the transmission line (10, 12). Associated with these optical amplifiers are optical isolators (21) that limit the flow of optical energy to a single direction. The path allows reflected or scattered light from one optical fiber after the optical isolator to be returned via the other optical fiber. This enables an OTDR device to obtain measurement information along the length of the fibers between optical isolators (21).
Circuit reliant deux fibres optiques dans un système de transmission optique. Le système de transmission comporte une pluralité d'amplificateurs optiques (17, 18) placés le long de la ligne de transmission (10, 12). Des isolateurs optiques (21) associés à ces amplificateurs optiques limitent le flux d'énergie optique à une seule direction. Le circuit permet de renvoyer la lumière réfléchie ou dispersée provenant d'une fibre optique après un isolateur optique, via l'autre fibre optique. Ce procédé permet à un dispositif de réflectométrie optique temporelle d'obtenir des informations de mesure sur toute la longueur des fibres entre les isolateurs optiques (21).
Kirby Eades Gale Baker
Tyco Electronics Subsea Communications Llc
Tyco Submarine Systems Ltd.
LandOfFree
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