Laser wake field acceleration: the highly non-linear broken-wave regime Export

@article{citeulike:1261780, abstract = {We use three-dimensional particle-in-cell simulations to study laser wake field acceleration (LWFA) at highly relativistic laser intensities. We observe ultra-short electron bunches emerging from laser wake fields driven above the wave-breaking threshold by few-cycle laser pulses shorter than the plasma wavelength. We find a new regime in which the laser wake takes the shape of a solitary plasma cavity. It traps background electrons continuously and accelerates them. We show that 12-J, 33-fs laser pulses may produce bunches of 3×1010 electrons with energy sharply peaked around 300 MeV. These electrons emerge as low-emittance beams from plasma layers just 700-μm thick. We also address a regime intermediate between direct laser acceleration and LWFA, when the laser-pulse duration is comparable with the plasma period. PACS: 52.38.Kd; 52.35.-g; 41.75.Ht}, author = {Pukhov, A. and Meyer-Ter-Vehn, J.}, citeulike-article-id = {1261780}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s003400200795}, day = {1}, doi = {10.1007/s003400200795}, journal = {Applied Physics B: Lasers and Optics}, keywords = {electron-generation, laser-wakefield-accleration, lwfa, particle-in-cell, simulation, wave-breaking}, month = {April}, number = {4}, pages = {355--361}, posted-at = {2008-09-08 04:13:45}, priority = {3}, title = {Laser wake field acceleration: the highly non-linear broken-wave regime}, url = {http://dx.doi.org/10.1007/s003400200795}, volume = {74}, year = {2002} }

TY - JOUR ID - citeulike:1261780 L3 - citeulike-article-id:1261780 N2 - We use three-dimensional particle-in-cell simulations to study laser wake field acceleration (LWFA) at highly relativistic laser intensities. We observe ultra-short electron bunches emerging from laser wake fields driven above the wave-breaking threshold by few-cycle laser pulses shorter than the plasma wavelength. We find a new regime in which the laser wake takes the shape of a solitary plasma cavity. It traps background electrons continuously and accelerates them. We show that 12-J, 33-fs laser pulses may produce bunches of 3×1010 electrons with energy sharply peaked around 300 MeV. These electrons emerge as low-emittance beams from plasma layers just 700-μm thick. We also address a regime intermediate between direct laser acceleration and LWFA, when the laser-pulse duration is comparable with the plasma period. PACS: 52.38.Kd; 52.35.-g; 41.75.Ht IS - 4 JF - Applied Physics B: Lasers and Optics EP - 361 TI - Laser wake field acceleration: the highly non-linear broken-wave regime VL - 74 SP - 355 KW - electron-generation KW - laser-wakefield-accleration KW - lwfa KW - particle-in-cell KW - simulation KW - wave-breaking AU - Pukhov, A AU - Meyer-Ter-Vehn, J PY - 2002/04/01/ UR - http://dx.doi.org/10.1007/s003400200795 ER -