The effect of focusing conditions in laser wakefield acceleration is studied. Short focal length geometries produce large dark currents while longer focal lengths produce narrow energy spread beams.
© 2006 Optical Society of America
(320.0320) Ultrafast optics : Ultrafast optics
(320.7090) Ultrafast optics : Ultrafast lasers
(350.0350) Other areas of optics : Other areas of optics
(350.5400) Other areas of optics : Plasmas
A. G. Thomas, S. P. Mangles, Z. Najmudin, C. D. Murphy, B. Dangor, W. Rozmus, K. Krushelnick, P. S. Foster, P. A. Norreys, J. G. Gallacher, D. A. Jaroszynski, and W. B. Mori, "The Effect of Laser Focusing Conditions in Laser Wakefield Acceleration Experiments," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper JWC2.