Apparatus for optically connecting a single-mode optical fiber t

Details Apparatus for optically connecting a single-mode optical fiber t Apparatus for optically connecting a single-mode optical fiber t

1989-09-25

1991-12-31

Ullah, Akm

Optical waveguides

With optical coupler

Particular coupling function

G02B 600, G02B 636

Patent

active

050778153

ABSTRACT:
An apparatus connects a single-mode optical fiber in a transmitting side to a multi-mode optical fiber in a receiving side without a deterioration of baseband transmission characteristics. The apparatus optically connects the single-mode fiber to the multi-mode fiber with an optical axes displacement therebetween, so that an optical signal to a multi-mode optical fiber from a single mode optical fiber is incident in a steady state mode including not only lower mode, but higher mode. In one embodiment, the optical axes displacement is achieved by axial displacement between the single-mode fiber and multi-mode fiber. In another embodiment, the optical axes displacement is achieved by an angle displacement between the single-mode fiber and multi-mode fiber.

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patent: 4822131 (1989-04-01), Anderton
patent: 4834494 (1989-05-01), DeMeritt et al.

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