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All optical electron injector using an intense ultrashort pulse laser and a solid wire target |
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| Authors: | T. Palchan S. Eisenmann A. Zigler D. Kaganovich R.F. Hubbard M. Fraenkel D. Fisher Z. Henis |
| Affiliation: | (1) Racah Institute of Physics, Hebrew University, Jerusalem, Israel;(2) LET Corp., Washington, DC 20007, USA;(3) Plasma Physics Division, Naval Research Laboratory, Washington, DC 20375, USA;(4) Plasma Physics Department, Soreq NRC, Yavne, 81800, Israel |
| Abstract: | Energetic electron bunches were generated by irradiating a solid tungsten wire 13 μm wide with 50 femtosecond pulses at an intensity of ∼3×1018 W/cm2. The electron yield, energy spectrum and angular distribution were measured. These energetic electron bunches are suitable for injection into a laser driven plasma accelerator. An all-optical electron injector based on this approach could simplify timing and alignment in future laser-plasma accelerator experiments. PACS 41.75.Ht; 41.75.Lx; 52.38.Kd; 52.38.Ph |
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