Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinichirou Harasawa0
Takayuki Maehara0
Akira Naka0
Gentaro Funatsu0
Hideki Maeda0
Date of Patent
May 8, 2007
0Patent Application Number
107988990
Date Filed
March 12, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In a method for performing OTDR measurement in an optical transmission system including a first terminal station and a second terminal station, OTDR signal light is transmitted from an OTDR provided in the first terminal station to the second terminal station, in which the OTDR signal light is Raman amplified by using main signal light of the optical transmission system as pump light.
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