Generation of high-fidelity, down-chirped sub-10 fs mJ pulses through filamentation for driving relativistic laser-matter interactions at 1 kHz

Abstract : The authors present a simple add on for multicycle, multimJ Ti:sapphire-based amplifier systems to efficiently generate 9.5 fs pulses with 1.8 mJ. Filamentary propagation yields spectrally broadened pulses carrying an unexpected large group-delay dispersion of -500 fs2 which allows linear propagation of the few-cycle pulses towards target areas without need of any sophisticated dispersion control. Pulse compression could easily be achieved by transmission through a combination of different glass substrates. The pulse wave front, the low energy fluctuations, and the good temporal contrast make this source well suited for relativistic laser-solid experiments with intense few-cycle pulses at kilohertz repetition rate.
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Submitted on : Monday, January 10, 2011 - 12:01:19 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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C.P. Hauri, Alexandre Trisorio, M. Merano, G. Rey, Rodrigo B. Lopez-Martens, et al.. Generation of high-fidelity, down-chirped sub-10 fs mJ pulses through filamentation for driving relativistic laser-matter interactions at 1 kHz. Applied Physics Letters, American Institute of Physics, 2006, 89 (15), pp.151125. ⟨10.1063/1.2360935⟩. ⟨hal-00553988⟩

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