Journal ArticleDOI
Particle acceleration in relativistic laser channels
TLDR
In this paper, the energy spectra of ions and fast electrons accelerated by a channeling laser pulse in near-critical plasma are studied using three-dimensional (3D) Particle-In-Cell simulations.Abstract:
Energy spectra of ions and fast electrons accelerated by a channeling laser pulse in near-critical plasma are studied using three-dimensional (3D) Particle-In-Cell simulations. The realistic 3D geometry of the simulations allows us to obtain not only the shape of the spectra, but also the absolute numbers of accelerated particles. It is shown that ions are accelerated by a collisionless radial expansion of the channel and have nonthermal energy spectra. The electron energy spectra instead are Boltzmann-like. The effective temperature Teff scales as I1/2. The form of electron spectra and Teff depends also on the length of the plasma channel. The major mechanism of electron acceleration in relativistic channels is identified. Electrons make transverse betatron oscillations in the self-generated static electric and magnetic fields. When the betatron frequency coincides with the laser frequency as witnessed by the relativistic electron, a resonance occurs, leading to an effective energy exchange between the l...read more
Citations
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Journal ArticleDOI
A laser-plasma accelerator producing monoenergetic electron beams
Jérôme Faure,Y. Glinec,Alexander Pukhov,Sergey Kiselev,Sergey Gordienko,Erik Lefebvre,Jean-Philippe Rousseau,Frédéric Burgy,Victor Malka +8 more
TL;DR: It is demonstrated that this randomization of electrons in phase space can be suppressed and that the quality of the electron beams can be dramatically enhanced.
Journal ArticleDOI
High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding
C. G. R. Geddes,C. G. R. Geddes,Cs. Toth,van J Jeroen Tilborg,van J Jeroen Tilborg,Eric Esarey,Carl Schroeder,David L. Bruhwiler,Chet Nieter,John R. Cary,Wim Leemans +10 more
TL;DR: A laser accelerator that produces electron beams with an energy spread of a few per cent, low emittance and increased energy (more than 109 electrons above 80 MeV) and opens the way for compact and tunable high-brightness sources of electrons and radiation.
Journal ArticleDOI
Monoenergetic beams of relativistic electrons from intense laser–plasma interactions
Stuart Mangles,C. D. Murphy,C. D. Murphy,Zulfikar Najmudin,Alexander Thomas,John Collier,A. E. Dangor,E. J. Divall,Peta Foster,J. G. Gallacher,C. J. Hooker,Dino A. Jaroszynski,A. J. Langley,Warren Mori,Peter Norreys,Frank Tsung,R. Viskup,B. Walton,Karl Krushelnick +18 more
TL;DR: High-resolution energy measurements of the electron beams produced from intense laser–plasma interactions are reported, showing that—under particular plasma conditions—it is possible to generate beams of relativistic electrons with low divergence and a small energy spread.
Journal ArticleDOI
Femtosecond x rays from laser-plasma accelerators
Sebastien Corde,K. Ta Phuoc,Guillaume Lambert,R. Fitour,Victor Malka,Antoine Rousse,Arnaud Beck,Erik Lefebvre +7 more
TL;DR: In this paper, a unified formalism is presented for the betatron radiation of trapped and accelerated electrons in the so-called bubble regime, the synchrotron radiation of laser-accelerated electrons in usual meter-scale undulators, the nonlinear Thomson scattering from relativistic electrons oscillating in an intense laser field, and the Thomson backscattered radiation of a laser beam by laser accelerated electrons.
Journal ArticleDOI
Electron Acceleration by a Wake Field Forced by an Intense Ultrashort Laser Pulse
Victor Malka,Sven Fritzler,Erik Lefebvre,M. M. Aléonard,Frédéric Burgy,Jean-Paul Chambaret,J. F. Chemin,Karl Krushelnick,G. Malka,Stuart Mangles,Zulfikar Najmudin,M. Pittman,Jean-Philippe Rousseau,J. N. Scheurer,B. Walton,A. E. Dangor +15 more
TL;DR: It is shown that a gain in maximum electron energy of up to 200 megaelectronvolts can be achieved, along with an improvement in the quality of the ultrashort electron beam in the forced laser wake field regime.
References
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Journal ArticleDOI
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Journal ArticleDOI
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