P. D. Mangles, C. D. Murphy, Z. Najmudin, A. G. Thomas, J. L. Collier et al., Monoenergetic beams of relativistic electrons from intense laser???plasma interactions, Nature, vol.3, issue.7008, p.535, 2004.
DOI : 10.1063/1.1447556

Y. Faure, A. Glinec, S. Pukhov, S. Kiselev, E. Gordienko et al., A laser???plasma accelerator producing monoenergetic electron beams, Nature, vol.55, issue.7008, p.541, 2004.
DOI : 10.1017/S0022377899007515
URL : https://hal.archives-ouvertes.fr/hal-00508775

N. Bulanov, F. Naumova, J. Pegoraro, and . Sakai, Particle injection into the wave acceleration phase due to nonlinear wake wave breaking, Physical Review E, vol.58, issue.5, p.5257, 1998.
DOI : 10.1103/PhysRevE.58.R5257

K. A. Pak, S. F. Marsh, W. Martins, W. B. Lu, C. Mori et al., Injection and Trapping of Tunnel-Ionized Electrons into Laser-Produced Wakes, Physical Review Letters, vol.104, issue.2, p.25003, 2010.
DOI : 10.1103/PhysRevLett.104.025003

Z. Mo, A. Ali, S. Fourmaux, P. Lassonde, J. C. Kieffer et al., Quasimonoenergetic electron beams from laser wakefield acceleration in pure nitrogen, Applied Physics Letters, vol.100, issue.7, p.74101, 2012.
DOI : 10.1063/1.3685464

J. K. Umstadter, E. Kim, and . Dodd, Laser Injection of Ultrashort Electron Pulses into Wakefield Plasma Waves, Physical Review Letters, vol.76, issue.12, p.2073, 1996.
DOI : 10.1103/PhysRevLett.76.2073

C. Faure, A. Rechatin, A. Norlin, Y. Lifschitz, V. Glinec et al., Controlled injection and acceleration of electrons in plasma wakefields by colliding laser pulses, Nature, vol.77, issue.7120, p.737, 2006.
DOI : 10.1038/nature05393
URL : https://hal.archives-ouvertes.fr/hal-00502237

I. Kotaki, M. Daito, Y. Kando, K. Hayashi, T. Kawase et al., Electron Optical Injection with Head-On and Countercrossing Colliding Laser Pulses, Physical Review Letters, vol.103, issue.19, p.194803, 2009.
DOI : 10.1103/PhysRevLett.103.194803

M. Tomassini, A. Galimberti, L. A. Giulietti, L. Gizzi, F. Labate et al., Production of high-quality electron beams in numerical experiments of laser wakefield acceleration with longitudinal wave breaking, Physical Review Special Topics - Accelerators and Beams, vol.6, issue.12, p.121301, 2003.
DOI : 10.1103/PhysRevSTAB.6.121301

N. Suk, J. B. Barov, E. Rosenzweig, and . Esarey, Plasma Electron Trapping and Acceleration in a Plasma Wake Field Using a Density Transition, Physical Review Letters, vol.86, issue.6, p.1011, 2001.
DOI : 10.1103/PhysRevLett.86.1011

H. J. Suk, I. S. Lee, and . Ko, Generation of high-energy electrons by a femtosecond terawatt laser propagating through a sharp downward density transition, Journal of the Optical Society of America B, vol.21, issue.7, p.1391, 2004.
DOI : 10.1364/JOSAB.21.001391

Y. Chien, C. L. Chang, C. H. Lee, J. Y. Lin, J. Wang et al., Spatially Localized Self-Injection of Electrons in a Self-Modulated Laser-Wakefield Accelerator by Using a Laser-Induced Transient Density Ramp, Physical Review Letters, vol.94, issue.11, p.115003, 2005.
DOI : 10.1103/PhysRevLett.94.115003

U. Kim, N. Hafz, and H. Suk, Electron trapping and acceleration across a parabolic plasma density profile, Physical Review E, vol.69, issue.2, p.26409, 2004.
DOI : 10.1103/PhysRevE.69.026409

C. Faure, O. Rechatin, L. Lundh, V. Ammoura, and . Malka, Injection and acceleration of quasimonoenergetic relativistic electron beams using density gradients at the edges of a plasma channel, Physics of Plasmas, vol.17, issue.8, p.83107, 2010.
DOI : 10.1063/1.3469581
URL : https://hal.archives-ouvertes.fr/hal-01405588

R. R. Geddes, K. Nakamura, G. R. Plateau, . Cs, E. Toth et al., Plasma-Density-Gradient Injection of Low Absolute-Momentum-Spread Electron Bunches, Physical Review Letters, vol.100, issue.21, p.215004, 2008.
DOI : 10.1103/PhysRevLett.100.215004

A. Schmid, C. M. Buck, J. M. Sears, R. Mikhailova, D. Tautz et al., Density-transition based electron injector for laser driven wakefield accelerators, Physical Review Special Topics - Accelerators and Beams, vol.13, issue.9, p.91301, 2010.
DOI : 10.1103/PhysRevSTAB.13.091301

J. Glinec, A. Faure, V. Guemnie-tafo, H. Malka, J. Monard et al., Absolute calibration for a broad range single shot electron spectrometer, Review of Scientific Instruments, vol.77, issue.10, p.103301, 2006.
DOI : 10.1063/1.2360988
URL : https://hal.archives-ouvertes.fr/hal-00127096