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In-band pumping of Nd-vanadate thin-disk lasers

Applied Physics B volume 91, pages 415–419 (2008)Cite this article

Abstract

We investigate the output performance of the 1.06 μm 4F3/2→4I11/2 transition in Nd:GdVO4 and Nd:YVO4 thin-disk lasers under multi-pass pumping with diode lasers at 0.81 μm and at 0.88 μm, which corresponds to direct in-band pumping of the 4F3/2 emitting level. The use of a pump module with 24 passes through the crystal allowed the realization of an in-band pumped Nd:GdVO4 thin-disk laser with 14.9 W of continuous wave (cw) output power at 1.06 μm; the overall optical-to-optical efficiency was 0.50 and the slope efficiency with respect to the incident pump power was 0.52. Intracavity frequency-doubling of the Nd:GdVO4 thin-disk laser with a LiB3O5 (LBO) nonlinear crystal yielded 9.1 W of cw output power in the green at 0.53 μm with an overall optical-to-optical efficiency of 0.31.

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Authors and Affiliations

  1. Laboratory of Solid-State Quantum Electronics, National Institute for Laser, Plasma and Radiation Physics, Bucharest, 077125, Romania

    N. Pavel

  2. Institut für Laser Physik, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany

    C. Kränkel, R. Peters, K. Petermann & G. Huber

Authors
  1. N. Pavel
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  2. C. Kränkel
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  3. R. Peters
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  4. K. Petermann
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  5. G. Huber
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Corresponding author

Correspondence to N. Pavel.

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PACS

42.55.Rz; 42.55.Xi; 42.60.Da; 42.65.Ky

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Pavel, N., Kränkel, C., Peters, R. et al. In-band pumping of Nd-vanadate thin-disk lasers. Appl. Phys. B 91, 415–419 (2008). https://doi.org/10.1007/s00340-008-3013-7

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  • DOI: https://doi.org/10.1007/s00340-008-3013-7

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