Optical waveguides – With disengagable mechanical connector – Structure surrounding optical fiber-to-fiber connection
Patent
1995-11-28
1997-06-24
Palmer, Phan T. H.
Optical waveguides
With disengagable mechanical connector
Structure surrounding optical fiber-to-fiber connection
385 72, 385 78, 385 88, G02B 638
Patent
active
056424507
ABSTRACT:
An optical connector which can prevent that light reflected on an end surface of a ferrule built in the optical connector may be returned to a transmitting side in the open condition of the connector. The optical connector includes a first ferrule and a second ferrule both slidably stored in a housing. The first ferrule has one end spherically polished and another end obliquely polished. The second ferrule has one end obliquely polished. The optical connector further includes a sleeve for coaxially holding the first ferrule and the second ferrule, a first spring for biasing the first and second ferrules away from each other, and a second spring for biasing the second ferrule toward the first ferrule. The first spring has a spring constant greater than that of the second spring.
REFERENCES:
patent: 5136681 (1992-08-01), Takahashi
patent: 5170452 (1992-12-01), Ott
patent: 5434941 (1995-07-01), Bechtel et al.
Fujitsu Limited
Palmer Phan T. H.
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