Liquid crystal switching coupler matrix

Details Liquid crystal switching coupler matrix Liquid crystal switching coupler matrix

1978-10-02

1980-05-06

Levy, Stewart J.

350347V, G02B 514

Patent

active

042014425

ABSTRACT:
Directionally coupling internal channel wave guide electrooptical switches are provided that employ electric field-effect liquid crystal compositions and that lend themselves to use in large scale planar integrated switching arrays. Light propagation through the liquid crystal medium is restricted to the very small part of that medium actively associated with the electric switching field, thus minimizing light losses.

REFERENCES:
patent: 3918794 (1975-11-01), Milton
patent: 3980395 (1976-09-01), Gialloreni et al.
patent: 4003629 (1977-01-01), Baues et al.
patent: 4120560 (1978-10-01), Baues et al.

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