Fiber optic corporate power divider/combiner and method

Details Fiber optic corporate power divider/combiner and method Fiber optic corporate power divider/combiner and method

1991-12-19

1994-12-27

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

385 31, G02B 632

Patent

active

053772873

ABSTRACT:
A fiber optic corporate power divider/combiner for use in fiber optic systems is provided. When functioning as an optical divider, the invention includes a dielectric lens for converting incoming optical energy from a divergent spherical wave to a plane wave. A micro-lens array in optical alignment with the dielectric lens functions to partition and focus the plane wave to provide a coherent phase optical dot pattern. A fiber bundle is provided to receive and uniformly distribute the coherent phase optical dot pattern. When functioning as an optical combiner, the invention includes the micro-lens array to convert an incoming coherent phase optical dot pattern from a plurality of divergent spherical waves to a plane wave. The dielectric lens optically aligned with the micro-lens array receives and converts the plane wave to a convergent spherical wave and a single optical fiber receives and transforms the convergent spherical wave into parallel rays for transmission. In a preferred embodiment, the dielectric lens comprises a single hyperbolic lens which is in juxtaposition to a plurality of hyperbolic lenses forming the micro-lens array. The number of lenses in the micro-lens array is equal to the number of optical fibers in the bundle for permitting optimum transmission of optical energy.

REFERENCES:
patent: 4230941 (1980-10-01), Stauffer
patent: 4516832 (1985-05-01), Jain et al.
patent: 4722582 (1988-02-01), Modone et al.
patent: 5085977 (1992-02-01), Sugawara et al.

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