Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2005-07-05
2005-07-05
Kianni, K. Cyrus (Department: 2883)
Optical waveguides
With optical coupler
Input/output coupler
C385S036000, C385S016000
Reexamination Certificate
active
06915038
ABSTRACT:
An optical coupling system and method for transmitting optical signals around sharp bends or curves without the use of prisms, mirrors or other conventional reflecting elements. The coupling system includes a reflecting element having a curved outer reflecting surface shaped in accordance with an ellipsoid. First and second optical elements are arranged along the two focal planes of the ellipsoid in a manner to achieve Total Internal Reflection (TIR) of the optical signal transmitted from the first optical element to the second optical element. An alternative embodiment discloses a coupling system for coupling a signal from a single input optical element into a pair of output optical elements. The use of TIR achieves extremely high efficiency in the transmission of an optical signal around a curve or bend between two optical elements.
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Guy James Kevan
Yee Scott T.
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