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Efficient Cr3+ sensitized Nd3+: GdScGa-garnet laser at 1.06 μm

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Abstract

Room-temperature cw lasing at 1.061 μm has been obtained in Cr,Nd: GdScGa-garnet. Threshold powers as low as 7 mW and slope efficiencies up to 41% have been measured. Cross pumping of Nd3+ via Cr3+ is nearly as efficient as direct pumping. Time-resolved measurements of the transfer rate yield a transfer efficiency of 0.86 and an average transfer time of 17 μs. An improvement in pulsed broad band pumping can also be expected.

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Authors and Affiliations

  1. Institut für Angewandte Physik, Universität, Jungiusstrasse 11, D-2000, Hamburg 36, Fed Rep. Germany

    D. Pruss, G. Huber & A. Beimowski

  2. P.N Lebedev Institute, Leninski prospect 53, SU-117924, Moscow, USSR

    V. V. Laptev, I. A. Shcherbakov & Y. V. Zharikov

Authors
  1. D. Pruss
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  2. G. Huber
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  3. A. Beimowski
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  4. V. V. Laptev
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  5. I. A. Shcherbakov
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  6. Y. V. Zharikov
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Pruss, D., Huber, G., Beimowski, A. et al. Efficient Cr3+ sensitized Nd3+: GdScGa-garnet laser at 1.06 μm. Appl. Phys. B 28, 355–358 (1982). https://doi.org/10.1007/BF00686366

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  • DOI: https://doi.org/10.1007/BF00686366

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