Optical fiber nut

Details Optical fiber nut Optical fiber nut

1989-04-05

1990-11-06

Lee, John D.

350 9615, G02B 636

Patent

active

049681133

ABSTRACT:
A multi-piece, yet easily assembled optical fiber connector (10) for optically coupling side-by-side optical fibers (60, 62) comprises a housing assembly (12) and a coupling member (14) which interconnect with each other. The housing assembly (12) and coupling member (14) include axial bores (20, 36) which align with each other, the axial bore (20) of the housing assembly (12) terminating in a spherical reflecting surface (27). The optical fiber connector (10) includes a main ferrule (16) which is received within the axial bores (20, 36) of the housing assembly (12) and the coupling member (14). The main ferrule (16) includes an axial bore (44) which terminates in an aperture (46). The main ferrule (16) further includes an annular flange (48) which cooperates with inner shoulders (50) of the housing assembly (12) and the coupling member (14) to space the aperture (46) in the 1:1 imaging plane of the spherical reflecting surface (27). The connector (10) further comprises a second, inner ferrule (18) similar to main ferrule (16) which is received in the axial bore (44) of the main ferrule (16) in an interference fit. The inner ferrule (18) also includes an axial bore (56) terminating in an aperture (58). Side-by-side optical fibers (60, 62) which pass through the aperture (58) of inner ferrule (18) and terminate at the aperture (46) of main ferrule (16) are optically coupled to each other.

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