Optical switch

Details Optical switch Optical switch

1992-02-21

1993-06-29

Gonzalez, Frank

Optical waveguides

With optical coupler

Particular coupling structure

385 16, 385 41, 385122, 385142, 385143, G02B 626

Patent

active

052241858

ABSTRACT:
An optical switch with improved stability which has a flat waveguide including at least two optical waveguides which are made of a glass containing silica and arranged closely each other, at least a core part of each of the optical waveguides consisting of an amorphous material which is prepared by a sol-gel method and contains organic molecules doped and orientated in a direction of electrostatic field by the application of an electrostatic field, and means for changing an optical path through change of a refractive index of the core part by applying an external force to the core part, which means is provided near the core part.

REFERENCES:
patent: 4900127 (1990-02-01), Robello et al.
patent: 4971416 (1990-11-01), Khanarian et al.
patent: 5002361 (1991-03-01), DeMartino et al.
patent: 5079321 (1992-01-01), Sperling et al.
patent: 5080962 (1992-01-01), Hench

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