Module for optical fiber communication

Details Module for optical fiber communication Module for optical fiber communication

1995-01-10

1996-07-02

Healy, Brian

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

385 33, 385 77, 385 78, 385 88, 385 92, G02B 636

Patent

active

055331599

ABSTRACT:
A module for optical communication, adapted to prevent light from being reflected on the end surface of an optical fiber when a ferrule is inserted therein, and to increase the precision with which the positioning of an end surface of the optical fiber is performed. In the module, the circumference of an anti-reflection transparent film is held in a groove of a stopper member and is pressed against the inner circumference of an elastic sleeve. When the ferrule is inserted in the sleeve, the film adheres to the end surfaces of the optical fiber and the ferrule closely and securely. Thus, no air layer is formed between the film and the end surface of the optical fiber. Laser light is not reflected on the end surface of the optical fiber. The end surface of the ferrule adheres closely to a positioning face of the stopper member, though the film intervenes therebetween. The position of the ferrule is determined so that an image point, at which an image is formed from laser light, is coincident with the end surface of the optical fiber. Thereby, the precision with which light is input to the optical fiber, can be always increased.

REFERENCES:
patent: 4790618 (1988-12-01), Abe
patent: 5274723 (1993-12-01), Komatsu
patent: 5315680 (1994-05-01), Musk et al.
patent: 5347604 (1994-09-01), Go et al.
patent: 5388171 (1995-02-01), Michikoshi et al.

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