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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 13 — Jul. 1, 2008
  • pp: 1416–1418

Single-mode 212 W tapered fiber laser pumped by a low-brightness source

Valery Filippov, Yuri Chamorovskii, Juho Kerttula, Artem Kholodkov, and Oleg G. Okhotnikov  »View Author Affiliations


Optics Letters, Vol. 33, Issue 13, pp. 1416-1418 (2008)
http://dx.doi.org/10.1364/OL.33.001416


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Abstract

With a tapered double-clad all-glass ytterbium fiber as a gain medium, a maximum output power of over 200 W at 1079 nm and a slope efficiency of over 70% were demonstrated. The tapered double-clad fiber concept allows for using low-brightness diode bars and results in cost-effective and efficient high-power fiber lasers. The adiabatic conical fiber gain waveguide combines improved pump absorption owing to enhanced mode mixing in the pump cladding, low-noise single fundamental mode operation with M 2 1.02 , and strong potential for significant power scaling.

© 2008 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2340) Fiber optics and optical communications : Fiber optics components
(140.3615) Lasers and laser optics : Lasers, ytterbium
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 14, 2008
Manuscript Accepted: April 24, 2008
Published: June 19, 2008

Citation
Valery Filippov, Yuri Chamorovskii, Juho Kerttula, Artem Kholodkov, and Oleg G. Okhotnikov, "Single-mode 212 W tapered fiber laser pumped by a low-brightness source," Opt. Lett. 33, 1416-1418 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-13-1416


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