Free-space optical communication system
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United States of America Patent
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Issued Date -
May 15, 2003
app pub date -
Nov 9, 2001
filing date -
Nov 9, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a method and apparatus for free space optical communication. The method and apparatus transmit a large diameter optical signal across a free space link to over fill a plurality of receive objectives. Each of receive objectives focus the portions of the impinging optical signal into a respective fiber optic core, where the fiber optic is a single mode, multi-mode, small multi-mode or other type of fiber. The signals in each of the respective fibers are combined to obtain a single received signal. The apparatus and method further provide wavelength conversion, power adjustment, and further maintains alignment between cooperating transceivers.
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