Optical fiber terminal pitted with optical isolator

Details Optical fiber terminal pitted with optical isolator Optical fiber terminal pitted with optical isolator

1995-03-09

1996-03-19

Ullah, Akm E.

Optical waveguides

With disengagable mechanical connector

Optical fiber/optical fiber cable termination structure

385 73, 385 33, 372703, G02B 626

Patent

active

055009158

ABSTRACT:
An optical fiber terminal fitted with an optical isolator in close proximity in a unitary structure comprises an optical fiber, a ferrule which holds the optical fiber in position, at least one magneto-optical element located as aligned with the optical fiber, and a cylindrical permanent magnet that applies a magnetic field to the magneto-optical element. The magneto-optical element is disposed axially outside of the magnet, and the end face of the optical fiber is located in the hollow of the magnet or in the space between the magnet and the magneto-optical element, so that the overall outside diameter and length can be decreased. The ferrule, made of a soft magnetic material, increases the magnetic field strength of the magnet.

REFERENCES:
patent: 4150865 (1979-04-01), Iliff
patent: 4878731 (1989-11-01), Caron et al.
patent: 4962990 (1990-10-01), Matsuzawa et al.
patent: 5040863 (1991-08-01), Kawakahi et al.
patent: 5121451 (1992-06-01), Grard et al.
patent: 5212746 (1993-05-01), Miller et al.
patent: 5359689 (1994-10-01), Iwatsuka et al.
patent: 5359689 (1994-10-01), Iwatsuka et al.

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