Optical waveguides – With optical coupler – With alignment device
Reexamination Certificate
2005-04-26
2005-04-26
Font, Frank G. (Department: 2883)
Optical waveguides
With optical coupler
With alignment device
C385S039000, C385S050000, C385S053000, C385S055000
Reexamination Certificate
active
06885797
ABSTRACT:
A zero-clearance receptacle for single mode optical fiber couplers. The zero-clearance receptacle includes an internally fluted V-groove formed by internally extending legs. The zero-clearance receptacle uses the fundamental action of the V-groove to accurately locate an optical fiber ferrule inserted into the zero-clearance receptacle in the radial direction. The zero-clearance receptacle further includes a slot that receives a biasing element, such as a spring, that biases the optical ferrule against the V-groove legs. This enables accurate positioning of an optical fiber in the optical ferrule relation to an optical element such as a VCSEL or a photoreceptor. The zero-clearance receptacle beneficially fits into an optical coupler, which may have a lens.
REFERENCES:
patent: 6069991 (2000-05-01), Hibbs-Brenner et al.
patent: 6088498 (2000-07-01), Hibbs-Brenner et al.
patent: 6404960 (2002-06-01), Hibbs-Brenner et al.
patent: 20020181882 (2002-12-01), Hibbs-Brenner et al.
Blasingame Raymond W.
Chen Bo Su
Lee James C.
Li Bernard Q.
Orenstein James D.
El-Shammaa Mary
Finisar Corporation
Font Frank G.
Workman Nydegger
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