Optical tap collimator using an uncoated GRIN lens
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United States of America Patent
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-
Feb 11, 2003
Grant Date -
Jan 17, 2002
app pub date -
Jan 12, 2001
filing date -
Jun 2, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a tap coupler which comprises a ferrule comprising first and second optical fibers symmetrically positioned with respect to an optical axis for transmitting optical signals; and a graded index (GRIN) lens converting a part of the optical signals provided by one of the optical fibers of the ferrule into parallel beams and outputting the same, and reflecting the remaining part of the optical signals and outputting the same to another optical fiber of the ferrule, and having an uncoated beam outputting surface. The tap coupler can easily extract a part of the transmitted optical signals with low production cost and a smaller size.
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