Optical switching device

Details Optical switching device Optical switching device

1990-10-25

1991-10-15

Lee, John D.

Optical waveguides

With optical coupler

Switch

385 18, 385 33, G02B 632

Patent

active

050568868

ABSTRACT:
An optical switching device includes a first optical fiber terminating in a first window, and a plurality of second optical fibers each terminating in a corresponding second window. A concave mirror is selectively positionable with conjugate foci located respectively at the first window and selectively at any one of the second windows so as to reciprocally image the first window and a selected second window on each other. The imaging mirror is rotated about an axis spaced from and parallel to the optical axis of the mirror, so as to rotate the mirror among a plurality of arcuately spaced selected positions. In each selected position the imaging means closes a light circuit between the first optical fiber and a selected second optical fiber.

REFERENCES:
patent: 4013342 (1977-03-01), Narodny
patent: 4261638 (1981-04-01), Wagner
patent: 4304460 (1981-12-01), Tanaka et al.
patent: 4381881 (1983-05-01), Bell
patent: 4403861 (1983-09-01), Boisde et al.
patent: 4484793 (1984-11-01), Laude
patent: 4594002 (1986-06-01), McNally
patent: 4938555 (1990-07-01), Savage

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