Optical fiber ferrule and optical coupler

Details Optical fiber ferrule and optical coupler Optical fiber ferrule and optical coupler

1996-03-12

1997-10-28

Healy, Brian

Optical waveguides

With disengagable mechanical connector

Optical fiber/optical fiber cable termination structure

385 71, 385 72, 385 74, 385 77, 385 78, 385 34, 385 59, G02B 636

Patent

active

056824521

ABSTRACT:
An optical fiber ferrule holding multiple fibers and an optical coupler using the ferrule are provided. An optical fiber ferrule is constructed such that N optical fibers (N equals four or an even number of six or more) are inserted into and fixed in a terminal end hole of the ferrule. The optical coupler comprises first and second optical fiber ferrules as described above, first and second distributed refractive index rod lenses, a mirror coating layer which reflects a portion of and transmits another portion of a light beam incident thereon; and a holding means for bringing the first ferrule and the first distributed refractive index rod lens into close contact, for bringing the second ferrule and the second distributed refractive index rod lens into close contact, for disposing the mirror coating layer between the first and second distributed refractive index rod lenses, and for coaxially holding these components together.

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patent: 5082378 (1992-01-01), Muller et al.
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patent: 5359683 (1994-10-01), Pan
patent: 5377286 (1994-12-01), Iida et al.
patent: 5479541 (1995-12-01), Pan
patent: 5499132 (1996-03-01), Tojo et al.

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