Optical waveguides – With optical coupler – Switch
Reexamination Certificate
2005-06-14
2005-06-14
Connelly-Cushwa, Michelle R. (Department: 2874)
Optical waveguides
With optical coupler
Switch
C385S019000, C385S024000
Reexamination Certificate
active
06907155
ABSTRACT:
In a folded three-dimensional free-space optical switch including a set of fibers and an optical system for producing collimated beamlets aligned to intersect an array of dual axis micromirrors of coplanar input and output mirror elements, and a folding mirror, the input and output micromirrors are arranged in a pattern wherein either the input or output mirror set is disposed along an annulus and wherein the complementary output or input mirror set is disposed within the annulus in order to globally minimize maximum tilt angles for a two-dimensional locus of tilt angles of the micromirror set. The beamlets are routed from assigned input fibers to corresponding input moveable mirrors to assigned output fibers via the static folding mirror and corresponding output moveable mirrors.
REFERENCES:
patent: 6253001 (2001-06-01), Hoen
patent: 6507683 (2003-01-01), Sugitatsu et al.
patent: 6587611 (2003-07-01), Hunt
patent: 6690885 (2004-02-01), Aksyuk et al.
patent: 6728016 (2004-04-01), Hunt et al.
patent: 2002/0164114 (2002-11-01), Golub et al.
Campbell Eugene W.
Pax Paul H.
Staker Bryan P.
Allen Kenneth R.
Connelly-Cushwa Michelle R.
Glimmerglass Networks, Inc.
Townsend and Townsend / and Crew LLP
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