Optical fiber switch with movable lens
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United States of America Patent
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Jul 10, 2012
Grant Date -
Aug 25, 2011
app pub date -
Mar 18, 2010
filing date -
Mar 26, 2007
priority date (Note) -
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Abstract
A scalable optical switch especially useful for switching multimode beams carried by optical fibers. Light from an input fiber is focused by a lens which is moved in an x-y direction perpendicular to the beam direction in order to switch the beam from one output fiber to a different fiber. In preferred embodiments the beam can be directed to any one of as many as 90 output fibers. Techniques for scaling the switch to produce N×N switches with N being large are described. Embodiments of the present invention can also be utilized to create more elaborate fiber optical switches such as an N×N switch and a N2×N switch.
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