Femtosecond pulse parametric amplification at narrowband high power gas laser pumping |
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Authors: | Novák Ond?ej Tur?i?ová Hana Divoký Martin Smr? Martin Huynh Jaroslav Straka Petr |
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Institution: | Institute of Physics, AS CR, v.v.i., 182 21 Prague 8, Czech Republic. novakon@fzu.cz |
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Abstract: | In ultrashort pulse amplification a narrowband gas pump pulse laser has been used for the first time. An all-stage optical parametric chirped pulse amplifier (OPCPA) was driven by a single-shot iodine photodissociation laser. For the first time a broadband amplification was achieved in potassium dihydrogen phosphate crystal at 800 nm seeding. Ti:sapphire laser pulses stretched from 12.5 fs to 250 ps were amplified and compressed to 27 fs at a 0.5 TW output power. The results suggest using narrowband high power gas lasers as OPCPA drivers to generate petawatt beams. |
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