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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 11 — May. 28, 2007
  • pp: 7075–7082

Broadly tunable high-power Yb:Lu2O3 thin disk laser with 80% slope efficiency

Rigo Peters, Christian Kränkel, Klaus Petermann, and Günter Huber  »View Author Affiliations

Optics Express, Vol. 15, Issue 11, pp. 7075-7082 (2007)

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We report on efficient laser operation of high quality crystalline Yb3+:Lu2O3 in thin disk configuration. Using doping concentrations between 1 at.% to 3 at.% and disk thicknesses between 0.08mm and 0.45mm the optimum crystal parameters have been determined. Pumped at 976 nm the laser operates at 1034 nm and 1080 nm. With a 0.25mm thick 3 at.% Yb:Lu2O3 disk 32.6W of output power at 45.3W incident pump power with a slope efficiency of 80% and a resulting optical-to-optical efficiency of 72% have been realized. These are the highest values in terms of slope efficiency as well as optical-to-optical efficiency for an Yb-doped thin disk laser reported so far. Using an 1mm birefringent filter continuous tuning from 987 nm to 1127 nm with more than 10Wof output power over a tuning range of 90 nm has been achieved.

© 2007 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
(160.3380) Materials : Laser materials

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 27, 2007
Revised Manuscript: May 15, 2007
Manuscript Accepted: May 15, 2007
Published: May 24, 2007

Rigo Peters, Christian Kränkel, Klaus Petermann, and Günter Huber, "Broadly tunable high-power Yb:Lu2O3 thin disk laser with 80% slope efficiency," Opt. Express 15, 7075-7082 (2007)

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  27. C. Kränkel, D. Fagundes-Peters, S.T. Fredrich, J. Johannsen, M. Mond, G. Huber, M. Bernhagen, and R. Uecker, "Continuous wave laser operation of Yb3+:YVO4," Appl. Phys. B 79,543-546 (2004). [CrossRef]
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