Controlled injection and acceleration of electrons in plasma wakefields by colliding laser pulses

J. Faure, C. Rechatin, A. Norlin, A. Lifschitz, Y. Glinec and V. Malka ()
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J. Faure: Laboratoire d'Optique Appliquée, ENSTA, CNRS, Ecole Polytechnique, UMR 7639
C. Rechatin: Laboratoire d'Optique Appliquée, ENSTA, CNRS, Ecole Polytechnique, UMR 7639
A. Norlin: Laboratoire d'Optique Appliquée, ENSTA, CNRS, Ecole Polytechnique, UMR 7639
A. Lifschitz: Laboratoire d'Optique Appliquée, ENSTA, CNRS, Ecole Polytechnique, UMR 7639
Y. Glinec: Laboratoire d'Optique Appliquée, ENSTA, CNRS, Ecole Polytechnique, UMR 7639
V. Malka: Laboratoire d'Optique Appliquée, ENSTA, CNRS, Ecole Polytechnique, UMR 7639

Nature, 2006, vol. 444, issue 7120, 737-739

Abstract: Careful acceleration Conventional particle accelerators are usually hundreds of metres long, hence the interest in laser-plasma based alternatives that can generate energetic electron beams within much shorter distances. These compact accelerators can produce high quality electron beams by using an intense laser pulse to drive a large electric field, but until now they have not achieved the stability and reproducibility needed in a practical accelerator. Now a new approach has succeeded in producing a compact and stable accelerator with the potential for use in applications such as radiotherapy and in radiography for materials science. The trick is to use an idea first suggested a decade ago but not previously mastered: a second laser pulse collides with the first to allow better control over the injection and subsequent acceleration of electrons.

Date: 2006
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DOI: 10.1038/nature05393

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