Optical fiber switching system and method using same

Details Optical fiber switching system and method using same Optical fiber switching system and method using same

1995-02-10

1996-06-04

Healy, Brian

Optical waveguides

With optical coupler

Switch

385 15, 385 17, 385 20, 385 24, 385 31, 385 33, 385 39, 385 52, 385126, 385127, G02B 626

Patent

active

055241530

ABSTRACT:
An optical fiber switching system is provided which includes two optically opposed groups of optical fiber switching units. The system is capable of rapidly aligning any one of the optical fibers in any one of the switching units in one group with any one of the optical fibers in any one of the switching units in the other group in response to a command from an exterior source. In one aspect of the invention, each optical fiber switching unit includes, on a single support chassis, one or more data carrying optical fibers and all associated circuitry for directing each fiber toward a predetermined target in response to an alignment signal and the timing portion of a pulsing signal. In another aspect of the invention, a novel alignment algorithm is implemented which provides for the alignment of two fibers in much less time than past switches. The optical fiber switching system of the present invention also includes a maintenance feature which allows the switch to be quickly and easily maintained in the field with minimal down time.

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