Switch employing partially reflective coating
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United States of America Patent
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-
Apr 30, 2002
Grant Date -
N/A
app pub date -
Sep 3, 1998
filing date -
Sep 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A distributed matrix switch comprises a number of collimators each comprising a ferrule and a GRIN lens. A partially reflective coating is provided at the GRIN lens surface to pass a portion of an incoming light beam and to reflect the remainder. If the reflected portion is conveyed by means of an optical path to another collimators of similar construction, selected percentages of an incoming beam may be distributed along two or more optical paths. A receiving channel is then moved to different positions for receiving the portion of the light that is passed by one of the collimators to accomplish switching.
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