Multi-port fiber optical device

Details Multi-port fiber optical device Multi-port fiber optical device

1998-04-01

2000-03-28

Ullah, Akm E.

Optical waveguides

With optical coupler

Input/output coupler

G02B 632

Patent

active

060441879

ABSTRACT:
A useful device is provided for coupling or splitting optical signals from one port to another. The symmetry of a lens is utilized in a manner whereby two linear arrays of optical ports are disposed adjacent the optical axis of the lens equidistant from the optical axis of the lens. An at least partially reflecting optical element is disposed at a collimating end of the lens. Signals launched into one array of ports reflects back to the second array of ports at the same end. In another embodiment of the invention utilizing these two linear arrays of waveguides, two matched lenses having an element disposed between are used as a coupler/splitter. In this arrangement ports are positioned on opposite sides of the optical axis equidistant from it.

REFERENCES:
patent: 4111524 (1978-09-01), Tomlinson, III
patent: 4299488 (1981-11-01), Tomlinson, III
patent: 5050954 (1991-09-01), Gardener et al.
patent: 5287424 (1994-02-01), Anderson
patent: 5930418 (1990-07-01), Chang

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