Parametrical conversion of the frequency of organic lasers into the middle-IR range of the spectrum |
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| Authors: | G V Mayer T N Kopylova Yu M Andreev V A Svetlichnyi and E N Tel’minov |
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| Institution: | (1) Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland;(2) Institute of Vacuum Technology, ul. D uga 44/50, 00-241 Warsaw, Poland;(3) Pedagogical University, Al. Armii Krajowej 13/15, 42-201 Cz stochowa, Poland |
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| Abstract: | 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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