Numerical simulation of the amplification of a short laser pulse by a ytterbium doped amplifier longitudinally pumped by short pump pulses |
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| Authors: | Bourdet Gilbert L |
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| Affiliation: | Laboratoire pour Utilisation des Lasers Intenses, Centre National de la Recherche Scientifique, Université Paris, France. gilbert.bourdet@polytechnique.fr |
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| Abstract: | A simple and original derivation making it possible to analytically compute the performances achievable with an end pumped ytterbium (Yb) amplifier pumped by a pump pulse and seeded by a laser pulse both shorter than the upper-level lifetime is presented. This may be useful when amplifiers or lasers are pumped by a Ti:sapphire laser. The case of a Yb:YAG amplifier is numerically investigated and it is shown that, in these conditions, the resulting efficiency can reach quantum efficiency. |
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