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  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2874–2876

Large-mode-area fused-fiber combiners, with nearly lowest-mode brightness conservation

Yariv Shamir, Yoav Sintov, and Mark Shtaif  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2874-2876 (2011)
http://dx.doi.org/10.1364/OL.36.002874


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Abstract

We show the feasibility of producing a low-mode all-fiber combiner fabricated from a large core and extremely small NA fibers. Although these fibers support multiple modes, the combiner that we produce can be operated nearly at the single mode regime while preserving the brightness of the combined beam almost perfectly with respect to the inputs. The M-square parameter of the combined beam was 2.3 and the power transfer efficiency was close to 100%. Such an all-fiber beam combining device is a rugged solution for high-brightness, high-efficiency beam delivery.

© 2011 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.2285) Optical devices : Fiber devices and optical amplifiers
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 17, 2011
Revised Manuscript: June 14, 2011
Manuscript Accepted: June 21, 2011
Published: July 25, 2011

Citation
Yariv Shamir, Yoav Sintov, and Mark Shtaif, "Large-mode-area fused-fiber combiners, with nearly lowest-mode brightness conservation," Opt. Lett. 36, 2874-2876 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2874


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