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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 20712–20722

Thermal and laser properties of Yb:LuAG for kW thin disk lasers

Kolja Beil, Susanne T. Fredrich-Thornton, Friedjof Tellkamp, Rigo Peters, Christian Kränkel, Klaus Petermann, and Günter Huber  »View Author Affiliations


Optics Express, Vol. 18, Issue 20, pp. 20712-20722 (2010)
http://dx.doi.org/10.1364/OE.18.020712


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Abstract

Thin disk laser experiments with Yb:LuAG (Yb:Lu3Al5O12) were performed leading to 5 kW of output power and an optical-to-optical efficiency exceeding 60%. Comparative analyses of the laser relevant parameters of Yb:LuAG and Yb:YAG were carried out. While the spectroscopic properties were found to be nearly identical, investigations of the thermal conductivities revealed a 20% higher value for Yb:LuAG at Yb3+-doping concentrations of about 10%. Due to the superior thermal conductivity with respect to Yb:YAG, Yb:LuAG offers thus the potential of improved performance in high power thin disk laser applications.

© 2010 OSA

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 14, 2010
Revised Manuscript: August 16, 2010
Manuscript Accepted: August 20, 2010
Published: September 15, 2010

Citation
Kolja Beil, Susanne T. Fredrich-Thornton, Friedjof Tellkamp, Rigo Peters, Christian Kränkel, Klaus Petermann, and Günter Huber, "Thermal and laser properties of Yb:LuAG for kW thin disk lasers," Opt. Express 18, 20712-20722 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-20-20712


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