The possibility of parametrical conversion of visible radiation of solid-state organic lasers into the middle-IR range of the spectrum in nonlinear GaSe1–x S x (x = 0‒0.13) crystals is investigated. Generation at the difference frequency (wavelength λ3 = 9.43 μm) of induced oxazine-1 (at λ1 = 740 nm) and rhodamine-800 (λ2 = 803.4 nm) radiation is excited. The conversion efficiency is estimated, and prospects for its further increase are demonstrated.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 83‒88, June, 2009.
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Mayer, G.V., Kopylova, T.N., Andreev, Y.M. et al. Parametrical conversion of the frequency of organic lasers into the middle-IR range of the spectrum. Russ Phys J 52, 640–645 (2009). https://doi.org/10.1007/s11182-009-9277-5
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DOI: https://doi.org/10.1007/s11182-009-9277-5