Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Susumu Morikura0
Kazunori Numata0
Satoshi Furusawa0
Date of Patent
May 1, 2007
0Patent Application Number
099887060
Date Filed
November 20, 2001
0Patent Primary Examiner
Patent abstract
In an optical transmission system, a lens converges an optical signal outputted from a light emission element. The optical signal having passed .through the lens enters a multi-mode fiber (MMF). A vertex of the lens and an input plane of the MMF are at a distance. The distance is set to a value which is not equal to the distance from the vertex to a focal point of the lens. As a result, a lowcost optical transmission system can be provided in which the influence of mode dispersion is reduced.
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