Journal
PHYSICAL REVIEW LETTERS
Volume 102, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.124801
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Funding
- DFG [TR18]
- Association EURATOM-Max-Planck-Institut fuer Plasmaphysik
- The Munich Centre for Advanced Photonics (MAP)
- EPSRC [EP/D06337X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D06337X/1] Funding Source: researchfish
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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.
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