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Performances of Cr:LiSAF and Cr:LiSGaF for cw diode-pumped Q-switched laser

Abstract : We have developed a Cr:LiSrGaF6 laser that produces, in Q-switched operation, four times as much energy (12 mJ at 10 kHz) as a Cr:LiSrAlF6 laser under the same conditions of pumping (four red diodes emitting 400 mW). By using a theoretical model for small-signal gain calculations, we show that these better performances are mainly attributable to the fact that thermal quenching of fluorescence is lower in Cr:LiSrGaF6 than in Cr:LiSrAlF6
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François Balembois, Frédéric Druon, Franck Falcoz, Patrick Georges, Alain Brun. Performances of Cr:LiSAF and Cr:LiSGaF for cw diode-pumped Q-switched laser. Optics Letters, Optical Society of America, 1997, 22 (6), pp.387-395. ⟨hal-00691255⟩

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