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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 6 — Mar. 15, 2007
  • pp: 638–640

Highly efficient high-power thulium-doped germanate glass fiber laser

Jianfeng Wu, Zhidong Yao, Jie Zong, and Shibin Jiang  »View Author Affiliations


Optics Letters, Vol. 32, Issue 6, pp. 638-640 (2007)
http://dx.doi.org/10.1364/OL.32.000638


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Abstract

A 64 W fiber laser at 1.9 μ m with a slope efficiency of 68% with respect to the launching pump power at 800 nm was demonstrated in a one-end pump configuration using a piece of 20 cm long newly developed thulium-doped germanate glass double-cladding single-mode fiber. A quantum efficiency of 1.8 was achieved. An output laser power of 104 W at 1.9 μ m was demonstrated from a piece of 40 cm long fiber with a dual-end pump configuration.

© 2007 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 28, 2006
Manuscript Accepted: December 12, 2006
Published: February 15, 2007

Citation
Jianfeng Wu, Zhidong Yao, Jie Zong, and Shibin Jiang, "Highly efficient high-power thulium-doped germanate glass fiber laser," Opt. Lett. 32, 638-640 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-6-638

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