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High efficiency multipass Ti:Sapphire amplifiers for continuous wave single mode laser

Patrick Georges 1 Frederick Estable 2 François Salin 1 Jean-Philippe Poizat 3 Philippe Grangier 3 Alain Brun 1
1 Laboratoire Charles Fabry de l'Institut d'Optique / Elsa
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
2 Laboratoire Charles Fabry de l'Institut d'Optique / Manolia
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
3 Laboratoire Charles Fabry de l'Institut d'Optique / Optique quantique
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : We present the amplification of a continuous-wave single-mode ring dye laser in Ti:sapphire. A peak gain of 2 X 106 has been obtained in a passive multipass amplifier, which yielded 20-nsec pulses of 0.7-mJ energy at 780 nm. We discuss the advantages of this passive multipass amplifier in comparison with a regenerative amplifier that we have also developed. By second-harmonic generation we obtained high-peak-power UV pulses from the amplified single-mode laser
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Patrick Georges, Frederick Estable, François Salin, Jean-Philippe Poizat, Philippe Grangier, et al.. High efficiency multipass Ti:Sapphire amplifiers for continuous wave single mode laser. Optics Letters, Optical Society of America, 1991, 16 (3), pp.144. ⟨hal-00691664⟩

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