Optical connection device of a planar type

Details Optical connection device of a planar type Optical connection device of a planar type

1991-09-27

1993-08-10

Lee, John D.

Optical waveguides

Planar optical waveguide

385 48, G02B 626

Patent

active

052356612

ABSTRACT:
In an optical connection device for use in responding to an incident light beam to produce a plurality of output light beams, the incident light beam is incident onto a planar substrate on which a plurality of optical islands which have refraction coefficients different from the planar substrate. The incident light beam travels as an internal light beam within the planar substrate with reflections repeated in the planar substrate and is emitted as output light beams through the optical islands when the internal light beam arrives at the optical islands. Thus, the incident light beam is distributed through the optical islands outside of the planar substrate. If each of optical nodes is located in vicinity of the optical islands and generates the input light beam and receives each of the output light beams, bidirectional communication can be carried out through the planar substrate and the optical islands among the optical nodes.

REFERENCES:
patent: 3491245 (1970-01-01), Hardesty
patent: 4053206 (1977-10-01), Yevick
patent: 4732444 (1988-03-01), Papuchon et al.
patent: 4750799 (1988-06-01), Kawachi et al.
patent: 4761047 (1988-08-01), Mori
patent: 4765701 (1988-08-01), Cheslak
patent: 4984863 (1991-01-01), Parriaux et al.
H. J. Haumann et al, "Optical Bus Based on Light-Guided-Plates", Conference Record of '90 International Topical Meeting on Optical Computing Japanese Unexamined Patent Publication Tokko Hei 2-34814 1990.
Oikawa et al, "Integrated Planar Microlens and its Applications", Proceedings of SPIE, vol. 898 1988.

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