Filter module
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United States of America Patent
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Jun 12, 2007
Grant Date -
Jun 17, 2004
app pub date -
Oct 8, 2003
filing date -
Oct 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter module is provided for an optical communications system. The filter module includes a lens, three optical fibers, an optical filter, and a mirror. The three optical fibers are arranged on a single side of the lens. The lens includes a first face coated with the optical filter and that faces the mirror. The optical fibers are arranged on a second face of the lens. A cascade of the filter modules are configured to connect and form a multiplexing/demultiplexing unit.
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