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Second-harmonic conversion of neodymium glass laser radiation with controlled spatial coherence

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Abstract

The experimental results on the second optical harmonic conversion of neodymium glass laser radiation with controlled spatial coherence in a nonlinear KDP crystal are presented. The conversion efficiency is studied depending on the radiation power density on the crystal and the crystal rotation angle in the principal optical plane with respect to the radiation propagation direction. The experiments were performed in the radiation power density range I = 0.2–3 GW/cm2 for the number of cavity transverse modes N = 100–1000, radiation divergence 2ч = 0.5–3.5 mrad, spectrum width of 26 Å, and pulse duration of 2.5 ns.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    B. L. Vasin, M. V. Osipov, V. N. Puzyrev, A. T. Saakyan & A. N. Starodub

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  1. B. L. Vasin
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  2. M. V. Osipov
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  3. V. N. Puzyrev
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  4. A. T. Saakyan
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  5. A. N. Starodub
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Correspondence to A. N. Starodub.

Additional information

Original Russian Text © B.L. Vasin, M.V. Osipov, V.N. Puzyrev, A.T. Saakyan, A.N. Starodub, 2011, published in Kratkie Soobshcheniya po Fizike, 2011, Vol. 38, No. 11, pp. 3–12.

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Vasin, B.L., Osipov, M.V., Puzyrev, V.N. et al. Second-harmonic conversion of neodymium glass laser radiation with controlled spatial coherence. Bull. Lebedev Phys. Inst. 38, 317–322 (2011). https://doi.org/10.3103/S1068335611110017

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  • DOI: https://doi.org/10.3103/S1068335611110017

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