1.times.N optical switch

Details 1.times.N optical switch 1.times.N optical switch

1998-06-05

2000-02-29

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Switch

385 16, 385 24, G02B 626

Patent

active

06031947&

ABSTRACT:
A 1.times.N fiber optic switch (12) is used to interface a service unit (14) which includes a single fiber optic connection (16) with a serviced unit (20) that includes multiple fiber optic connections (22). The switch (12) includes a first ferrule (24) for receiving at least one optical line on a first side of the switch (12) and a second ferrule (26) for receiving N optical lines on a second side of the switch (12). The switch (12) further includes a closed loop, servo alignment control system (30) for selectively aligning fiber ends at the switch interface. The first ferrule (24) and second ferrule (26) are preferably arranged in nearly contact in relationship and an index matching fluid or gel may be provided at the interface. Also disclosed are certain compact packing arrangements for the switch fibers, and various offset fiber arrangements for enhanced alignment control.

REFERENCES:
patent: 4220396 (1980-09-01), Antell
patent: 4239330 (1980-12-01), Ashkin et al.
patent: 5177348 (1993-01-01), Laor
patent: 5930419 (1999-07-01), Trouchet

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