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"Few-cycle laser-driven electron acceleration" K.Schmid, L.Veisz, F.Tavella, S.Benavides, R.Tautz, D.Herrmann, A.Buck, B.Hidding, A.Marcinkevicius, U.Schramm, M.Geissler, J.Meyer-ter-Vehn, D.Habs, and F.KrauszPhysical Review Letters 102, 124801 (2009) Abstract: We report on an electron accelerator based on few-cycle (8 fs full width at half maximum) laser pulses, with only 40 mJ energy per pulse, which constitutes a previously unexplored parameter range in laser-driven electron acceleration. The produced electron spectra are monoenergetic in the tens-of-MeV range and virtually free of low-energy electrons with thermal spectrum. The electron beam has a typical divergence of 5–10 mrad. The accelerator is routinely operated at 10 Hz and constitutes a promising source for several applications. Scalability of the few-cycle driver in repetition rate and energy implies that the present work also represents a step towards user friendly laser-based accelerators. This publication has not been written at BMO BMO authors (in alphabetic order): Daniel Herrmann  WWW-Version |