Optical plane circuit with an optical coupler and a method for m

Details Optical plane circuit with an optical coupler and a method for m Optical plane circuit with an optical coupler and a method for m

1985-01-30

1987-01-20

Sikes, William L.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

350 9611, 350 9615, 350 9617, 350 9618, 156643, 156644, G02B 610, H01L 21306, C23F 100

Patent

active

046376810

ABSTRACT:
An optical plane circuit has a transparent substrate such as a glass plate and a synthetic resin plate, an optical waveguide, and a graded index type lens to serve as an optical coupler which improves the input and/or output efficiency of a light beam in and/or from the optical waveguide. The optical plane circuit does not require troublesome precision registration between the optical waveguide and the optical coupler, and an overall compact circuit may be achieved. Connection loss due to connection between the optical waveguide and the optical coupler is small. The coupling efficiency is not degraded even if the cross-sectional shape of the optical waveguide expands along the plane of the substrate. Input and/or output of a light beam into and/or from the optical waveguide may be performed with excellent efficiency and reliability. A method for manufacturing this optical plane circuit is also provided.

REFERENCES:
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patent: 4375312 (1983-03-01), Tangonan
patent: 4403825 (1983-09-01), Tangonan et al.
patent: 4547262 (1985-10-01), Spillman, Jr. et al.
Schulz et al., "Multimode Geodesic Branching Components", Optics Comm., vol. 44, No. 4, 1/83, pp. 243-248.
Sottini et al., "Geodesic Optics: New Components", J. Opt. Soc. Am., vol. 70, No. 10, 10/80, pp. 1230-1234.
Righini et al., "Geodesic Lenses for Guided Optical Waves", Applied Optics, vol. 12, No. 7, 7/73, pp. 1477-1481.
Dakss et al, "Generation of Surface Wave Networks . . . ", I.B.M. Tech. Disc. Bull., vol. 12, No. 11, 4/70, pp. 1942-1943.

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