Multi-port fiber optical device

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

G - Physics

02

B

G02B 27/10 (2006.01) G02B 6/26 (2006.01) G02B 6/32 (2006.01)

Patent

CA 2147703

A useful device is provided for coupling or splitting optical signals from one port to another. The symmetry of a quarter pitch GRIN lens is utilized in a manner whereby two optical ports are disposed on opposite sides and equidistant from the optical axis of the lens. An at least partially reflecting optical element is disposed at a collimating end of the lens. A signal launched into one port reflects back to a port at the same end. In another embodiment of the invention 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.

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