Spatial beam properties of combined lasers' delivery fibers

The superiority of parabolic-index fibers over step-index fibers in delivering high-beam-quality light out of incoherently combined lasers is demonstrated numerically and experimentally. By utilizing the tapered fused bundle-combining approach and connecting it with delivery fiber, we point to an ef...

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Bibliographic Details
Published in:Optics letters 2012-05, Vol.37 (9), p.1412-1414
Main Authors: Shamir, Yariv, Zuitlin, Roey, Sintov, Yoav, Shtaif, Mark
Format: Article
Language:English
Subjects:
Beams (radiation)
Bundling
Devices
Fibers
Joining
Laser beams
Lasers
Transmission
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Summary:The superiority of parabolic-index fibers over step-index fibers in delivering high-beam-quality light out of incoherently combined lasers is demonstrated numerically and experimentally. By utilizing the tapered fused bundle-combining approach and connecting it with delivery fiber, we point to an efficient, rugged, all-glass, integrated, and nearly brightness-preserving device that is capable of transmitting high-quality output beams.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.37.001412