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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 18 — Jun. 20, 2003
  • pp: 3546–3549

Diode-Cladding-Pumped Yb3+, Ho3+-Doped Silica Fiber Laser Operating at 2.1-μm

Stuart D. Jackson and Simon Mossman  »View Author Affiliations


Applied Optics, Vol. 42, Issue 18, pp. 3546-3549 (2003)
http://dx.doi.org/10.1364/AO.42.003546


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Abstract

The characteristics of the performance of a diode-cladding-pumped Yb<sup>3+</sup>, Ho<sup>3+</sup>-doped silica fiber laser are presented. To our knowledge this is the first demonstration of a Yb<sup>3+</sup>, Ho<sup>3+</sup>-doped fiber laser, and a maximum output power of 0.85 W was achieved for a launched pump power of 10.9 W. For launched pump powers <7 W, the slope efficiency was ∼12.5%. Visible fluorescence emission with peaks at ∼485, ∼550, and ∼660 nm measured at the output from the laser suggests that excited-state absorption and energy-transfer upconversion losses may impair the functioning of the laser. Increasing the Yb<sup>3+</sup> and Ho<sup>3+</sup> concentrations and the Yb<sup>3+</sup>:Ho<sup>3+</sup> concentration ratio may lead to an improvement in the overall efficiency of the device.

© 2003 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3580) Lasers and laser optics : Lasers, solid-state

Citation
Stuart D. Jackson and Simon Mossman, "Diode-Cladding-Pumped Yb3+, Ho3+-Doped Silica Fiber Laser Operating at 2.1-μm," Appl. Opt. 42, 3546-3549 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-18-3546


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References

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