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Abstract

A fiber-to-fiber coupling system includes: multiple optical input fibers, each optical input fiber having an exit-face on a light-exit side of the optical input fiber, in which the light-exit-sides are disposed around a central axis, and in which an optical axis extending through the light-exit side is tilted toward the central axis; an optical output fiber having an entry-face for receiving light; and an optical input-coupling device arranged to couple a light beam exiting from the end-face of each optical input fiber into the entry-face of the output fiber. The optical input-coupling device comprises, for each light beam exiting the exit surfaces of the optical input fibers, a single corresponding lens to transmit the light beam or a single corresponding ellipsoidal mirror to reflect the light beam.

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First Claim