Betatron oscillations of electrons accelerated in laser wakefields characterized by spectral x-ray analysis

Félicie Albert, Rahul Shah, Kim Ta Phuoc, Romuald Fitour, Fréderic Burgy, Jean-Philippe Rousseau, Amar Tafzi, Denis Douillet, Thierry Lefrou, and Antoine Rousse
Phys. Rev. E 77, 056402 – Published 7 May 2008

Abstract

Relativistic electrons accelerated by laser wakefields can produce x-ray beams from their motion in plasma termed betatron oscillations. Detailed spectral characterization is presented in which the amplitude of the betatron oscillations r is studied by numerical analysis of electron and x-ray spectra measured simultaneously. We find that r reaches as low as 1μm in agreement with previous studies of radiation based on coherence and far-field spatial profile.

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  • Received 27 July 2006

DOI:https://doi.org/10.1103/PhysRevE.77.056402

©2008 American Physical Society

Authors & Affiliations

Félicie Albert, Rahul Shah, Kim Ta Phuoc, Romuald Fitour, Fréderic Burgy, Jean-Philippe Rousseau, Amar Tafzi, Denis Douillet, Thierry Lefrou, and Antoine Rousse

  • Laboratoire d’Optique Appliquée, ENSTA, CNRS UMR7639, Ecole Polytechnique, Chemin de la Hunière, 91761 Palaiseau, France

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Issue

Vol. 77, Iss. 5 — May 2008

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