G - Physics – 02 – B
Patent
G - Physics
02
B
345/56
G02B 6/12 (2006.01) G01C 19/72 (2006.01) G02B 6/125 (2006.01) G02B 6/28 (2006.01) G02B 6/42 (2006.01) G02F 1/035 (2006.01)
Patent
CA 2040762
First and second optical waveguides are provided which extend at one end to one side of an electrooptic plate and are interconnected at the other ends, and the connection point is connected to one end of a third optical waveguide. Light from the third optical waveguide is branched to the first and second optical waveguides, whereas light beams from the first and second optical waveguides are supplied together to the third optical waveguide. The angle of the first optical waveguide to the above-mentioned one side of the electrooptic plate is deviated from 90°. The end face of the first optical waveguide at that side forms a reflecting surface and is connected to one end of a fourth optical waveguide. The other end of the fourth optical waveguide extends to another side of the electrooptic plate. By forming end faces of the second and fourth optical waveguides at different sides of the electrooptic plate, optical active elements can be fixed directly to such end faces, even if the electrooptic plate is small.
Japan Aviation Electronics Industry Limited
Kirby Eades Gale Baker
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