Dark fiber laser array coupler

Details Dark fiber laser array coupler Dark fiber laser array coupler

2007-09-25

2007-09-25

Harvey, Minsun (Department: 2828)

Coherent light generators

Optical fiber laser

C385S043000

Reexamination Certificate

active

10893106

ABSTRACT:
A multiple-fiber, stretched, fused and cleaved coupler designed to act as an output window to a fiber laser array or fiber-coupled laser array, in which the stretch, length and/or position of the fibers is chosen facilitate the in-phase oscillation of the lasers in the array. The in-phase oscillation of the lasers is facilitated by making one or more of the fibers interferometrically dark and having a different propagation constant than the other fibers. The other fibers, the interferometrically lit ones, are made to have fairly uniform intensity under the same collimated illumination.

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