Optical fiber switch apparatus

Details Optical fiber switch apparatus Optical fiber switch apparatus

1981-08-24

1983-11-15

Lee, John D.

Electrical generator or motor structure

Dynamoelectric

Rotary

310330, G02B 726

Patent

active

044152280

ABSTRACT:
Optical fiber switch apparatus for selectively coupling the end (16) of a first fiber (17) to the ends of a plurality of second fibers (10) circularly arranged within a housing (12) also enclosing the free end (16) of the first fiber (17). The latter (17) extends through a spherical bearing (20) seatable in socket (24) formed in the housing (12) end, the bearing having a disc (19) fitted about it at right angles to the axis of the first fiber (17). Arranged around the periphery of the housing (12) is a plurality of piezoelectric bimorph beams (27) having ends slightly below and outside the periphery of the disc (19). When one of the beams (27') is energized, its free end is deflected inward and under the edge of the disc (19). At this time a piezoelectric bimorph plate (33) is energized to deflect its center toward bearing (19) to tilt the disc (19) about a fulcrum presented by the end of the deflected beam against spring clips (22) acting on the housing (12) end. As a result, the free end (16) of the first fiber (17) is swung into juxtaposition with the end of a selected second fiber (10'). Continued downward urging of the bearing (20) into its socket (24) maintains the ends of the two fibers (17, 10') in abutment.

REFERENCES:
patent: 4152043 (1979-05-01), Albanese
patent: 4223978 (1980-09-01), Kummer et al.
patent: 4303302 (1981-12-01), Ramsey et al.
P. G. Hale and R. Kompfner, "Mechanical Optical-Fibre Switch", Electronics Letters, vol. 12, No. 15, Jul. 22, 1976, p. 388.

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