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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 20 — Jul. 10, 2010
  • pp: 3864–3868

Efficient green continuous-wave lasing of blue-diode-pumped solid-state lasers based on praseodymium-doped Li YF 4

Nils-Owe Hansen, Aude-Reine Bellancourt, Ulrich Weichmann, and Günter Huber  »View Author Affiliations


Applied Optics, Vol. 49, Issue 20, pp. 3864-3868 (2010)
http://dx.doi.org/10.1364/AO.49.003864


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Abstract

We report highly efficient laser operation of praseodymium-doped Li YF 4 in the green spectral range. The influence of the crystal length and pump light focusing on the laser performance has been studied. The pump radiation was delivered by InGaN laser diodes. Optimizing the setup for a 2.9 mm long crys tal with a doping concentration of 0.5% led to an electric to green laser power conversion efficiency as high as 7.4%. With 500 and 1000 mW of pump light power, output powers of 179 and 358 mW have been reached, respectively. With respect to absorbed power, slope efficiencies of up to 60 % have been achieved.

© 2010 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(140.7300) Lasers and laser optics : Visible lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 7, 2010
Manuscript Accepted: May 25, 2010
Published: July 8, 2010

Citation
Nils-Owe Hansen, Aude-Reine Bellancourt, Ulrich Weichmann, and Günter Huber, "Efficient green continuous-wave lasing of blue-diode-pumped solid-state lasers based on praseodymium-doped LiYF4," Appl. Opt. 49, 3864-3868 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-20-3864

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