Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2007-11-27
2007-11-27
Font, Frank G. (Department: 2883)
Optical waveguides
With optical coupler
Particular coupling structure
C385S004000, C385S008000, C385S009000, C385S039000, C385S040000
Reexamination Certificate
active
10883060
ABSTRACT:
The present invention is concerned with 1×2 thermo-optic digital optical switches known in the art as “Y-branch digital optical switches” and variable optical attenuators.
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Dupuis Derek L.
E.I. du Pont de Nemors and Company
Font Frank G.
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