[PDF] Top 20 High-repetition-rate relativistic electron acceleration in plasma wakefields driven by few-cycle laser pulses

... presented in this thesis is the outcome of collective work of many team ...His high quality standards permitted having an output of several international level publications that may be found at the back of ... Voir le document complet

... coordinate in the target normal ...driver laser with a temporal contrast of > ∼ 10 10 ...met by Joule-class amplifier chains with dedicated contrast filters [9, 10] and operating at ∼ 10 Hz ... Voir le document complet

... universal high harmonic spectrum contains power law decay and exponential decay (plotted in log-log ...incident laser field is not relativistic,the oscillating mirror does not generate ... Voir le document complet

... of electron bunching and ejection, let us regress to a 1D model for a wave normally incident on an abrupt plasma ...bulk plasma in the direction of the skin layer ...behind by the ... Voir le document complet

... described by using the 1D separatrix, was presented. In this paradigm, the colliding pulse causes the bubble to shrink and reexpand, which then triggers transverse ...with high charge, short ... Voir le document complet

... transferred in the IR. We have generated and characterized 400 ␮ J, 13.1 fs laser pulses at 1425 ...equivalent in terms of number of cycles to 7.5 fs pulse duration at 800 nm. By using ... Voir le document complet

... factors in the denominator can be identified to contribute to the generation efficiency ...that in the whole range of observed VUV emission from 5 to 30 eV, the phase mismatch is a largely dominating effect ... Voir le document complet

... Ponderomotive acceleration schemes include vacuum beat wave acceleration [Hor88], in which the wiggler field of the inverse free electron laser scheme is simply repl[r] ... Voir le document complet

... implemented in [Mos 09a], where the larger signal beam allowed the selection of the part of the signal beam with the highest signal to noise ratio and cleanest ...present in the pump ...formation in ... Voir le document complet

... changes in matter with micrometric spatial ...used in the optical range for low-density ...table-top high-power lasers makes the use of high-intensity, laser-driven K-alpha ... Voir le document complet

... 1. Laser plasma acceleration mechanisms 11 The rear surface electric field will depend on the electron distribution parameters, such as the divergence, temperature, number, as well as on the ... Voir le document complet

... “Femtosecond laser Bessel beam welding of transparent to non- transparent materials with large focal-position tolerant zone” Optics Express ...welding by ultrashort laser pulses yields higher ... Voir le document complet

... A relativistic electron traversing a periodic sinusoidal magnetic field, generated by an undulator, emits synchrotron radiation at each period [ 1 ...produced by an individual electron ... Voir le document complet

... ultrafast laser experiments and poured their optics expertise into me like water into a ...powerhouse in the THz project, but also my closest companion in the many onerous hardships and exciting ... Voir le document complet

... of relativistic electron beams generated by coupling a high-intensity laser pulse into a vitreous carbon tar- get in both cold-solid and warm-dense ...a high-contrast ... Voir le document complet

... works in a similar manner, where the electron plasma wave of frequency ω pe ¼ ω 0 − ω 1 is replaced by an ion- acoustic wave (IAW) of much lower frequency [6] ...beam in this so-called ... Voir le document complet

... conditions in terms of sample introduction into the ICP. Two different plasma configurations (wet and dry) were ...Wet plasma conditions were obtained with the dual introduction of the ... Voir le document complet

... Abstract Laser plasma acceleration (LPA) [1] with up to several GeV beam in very short distance appears very ...Free Electron Laser (FEL), though very challenging, can be viewed ... Voir le document complet

... We have considered the following aspects of the laser-plasma interaction, for different laser and target parameters: i the laser absorption and the electric field at the surface ii the g[r] ... Voir le document complet

... ION ACCELERATION At the end of the interaction in the short pulse regime considered here, strong electron acceleration can result in efficient ion acceleration provided that the ... Voir le document complet