Compression of high-energy laser pulses below 5 fs
M. NisoliCentro di Elettronica Quantistica e Strumentazione Elettronica—ConsiglioNazionale delle Ricerche, Dipartimento di Fisica, Politecnico, Piazza L. da Vinci 32, 20133 Milano, ItalyS. De SilvestriCentro di Elettronica Quantistica e Strumentazione Elettronica—ConsiglioNazionale delle Ricerche, Dipartimento di Fisica, Politecnico, Piazza L. da Vinci 32, 20133 Milano, ItalyO. SveltoCentro di Elettronica Quantistica e Strumentazione Elettronica—ConsiglioNazionale delle Ricerche, Dipartimento di Fisica, Politecnico, Piazza L. da Vinci 32, 20133 Milano, ItalyR. SzipöcsK. FerenczChristian SpielmannAbteilung Quantenelektronik und Lasertechnik, Technische Universität Wien, Gusshausstrasse 27, A-1040 Wien, AustriaS. SartaniaAbteilung Quantenelektronik und Lasertechnik, Technische Universität Wien, Gusshausstrasse 27, A-1040 Wien, AustriaFerenc KrauszAbteilung Quantenelektronik und Lasertechnik, Technische Universität Wien, Gusshausstrasse 27, A-1040 Wien, Austria
1997en
ABI
Аннотация
High-energy 20-fs pulses generated by a Ti:sapphire laser system were spectrally broadened to more than 250 nm by self-phase modulation in a hollow fiber filled with noble gases and subsequently compressed in a broadband high-throughput dispersive system. Pulses as short as 4.5 fs with energy up to 20-microJ were obtained with krypton, while pulses as short as 5 fs with energy up to 70 microJ were obtained with argon. These pulses are, to our knowledge, the shortest generated to date at multigigawatt peak powers.
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