1980-12-22
1983-03-29
Gensler, Paul L.
350 962, G02B 726
Patent
active
043781446
ABSTRACT:
An optical switch having a light input side and a light output side where there are a plurality of optical waveguides with light collimating lenses on one of the sides with the lenses in spaced positions and, on the other side there is an optical waveguide with a light collimating lens. To enable light to be transferred between the latter waveguide and any of the other lenses, it is movable to bring its lens into any of a plurality of switch positions, each corresponding to the position of one of the other lenses, and means is provided to move the lens selectively between positions. In preferred arrangements, the plurality of lenses are arranged around at least one pitch circle but a linear arrangement of lenses is also possible. An electric stepping motor is ideally used for the switching operation.
REFERENCES:
patent: 4088387 (1978-05-01), Lewis
patent: 4193662 (1980-03-01), Hara
Duck Gary S.
Sinclair William J.
Straus Jozef
Yataki Masamichi
Austin R. J.
Gensler Paul L.
Northern Telecom Limited
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