[PDF] Top 20 Electron Beam Brightness and Undulator Radiation Brilliance for a Laser Plasma Acceleration Based Free Electron Laser

... Undulator radiation has already been measured using such a source [ 9 – 12 ] but not with the quality achieved on synchrotron radiation ...LPA based FEL [ 13 ] demonstration is still ... Voir le document complet

... generated undulator radiation after a manipulation beam ...to a moon-shape ...ensures a stability of the resonant wavelength within 2.4%. A ~100 nm tunability of LPA ... Voir le document complet

... of a seeded FEL where frequency chirping on the seed laser is instead exploited to generate two independent pulses spectrally and temporally separated in an externally controllable ...opportunities ... Voir le document complet

... milliradians) and energy spread (≈few percent) of the electron beam [ 21 , 22 ] dramatically limit the FEL ...use plasma lenses [ 23 – 26 ] and/or high gradient quadrupoles in the ... Voir le document complet

... from acceleration is a key challenge to achieving compact, reli- able, tunable laser-plasma accelerators (LPAs) [9, ...high-quality electron beams at 1 GeV [10] with ...the ... Voir le document complet

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

... with and without ...contain a total charge of 900 pC, of which 550 pC were transmitted through the second jet (see ...in a low-energy (and/or highly divergent) back- ground, which is unlikely ... Voir le document complet

... with a plot of the transverse and longitudinal size of the bubble versus ...shrinks and reexpands, first radially (between t ¼ 40 fs and t ¼ 80 fs) and then longitudi- nally (between t ... Voir le document complet

... electrons and nuclei of the participating ...with a hierarchy of various intramolecular motions spanning a wide range of time and length scales 1,2 ...in a wide time window extending ... Voir le document complet

... An analysis of our self-consistent equations of motion shows, in fact, that the FEL-induced phase shift (which guides the optical wave) has little influence on the [r] ... Voir le document complet

... importance for the emerging field of extreme light ...unlock a yet largely unexplored regime of laser-matter interaction, and will ultimately make it possible to develop novel ultra-bright ... Voir le document complet

... the laser energy converted into this electron beam and the cor- responding charge expressed in pCµm −1 ...observe a high laser absorption in this short pulse laser grating ... Voir le document complet

... properties for a single, specific time ...repeated for a series of discrete time delays to reconstruct the overall time trace of the ...As a consequence, this approach is limited to the ... Voir le document complet

... As a result, positrons form a smaller ring as L is ...EXTRACTION A. Head erosion after the high- Z target Energy depletion and head erosion are the two limiting factors that determine the ... Voir le document complet

... produce a sequence of stroboscopic pictures, making up, for example, a movie of vibrational ...using electron spectroscopy based on different schemes such as angle- resolved ... Voir le document complet

... used for k p ...LBM and EBM 718 samples manufactured by Safran Tech laboratory are at least as good as the AMS 5662 heat-treated wrought 718 alloy in terms of resistance to high-temperature ...on a ... Voir le document complet

... coarser for curved surfaces [ 54 ...of a 45° angle built surface. Moreover, they found that the use of a contour or skywriting scan improves surface ...thickness, beam parameters, scan- ning ... Voir le document complet

... ion acceleration from micro-structured solid targets", is structured into three sub-chapters and deals with the first of the studies performed during the last three ...with a description of the ... Voir le document complet

... the acceleration is sensitive to the charge to mass ratio q /m, protons are accelerated most ...density and temperature of the ...total electron distribution is a combination of more than one ... Voir le document complet

... high-frequency electron motion length K ¼ v osc /x  ...1D and 2D simulations as a function of the phase / at entry of the surface plasma wave field for R L  50 (x ¼ ...part) ... Voir le document complet