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Journal articles

X-Ray Radiation from Nonlinear Thomson Scattering of an Intense Femtosecond Laser on Relativistic Electrons in a Helium Plasma

Abstract : We have generated x-ray radiation from the nonlinear Thomson scattering of a 30  fs/1.5  J laser beam on plasma electrons. A collimated x-ray radiation with a broad continuous spectrum peaked at 0.15 keV with a significant tail up to 2 keV has been observed. These characteristics are found to depend strongly on the laser strength parameter a0. This radiative process is dominant for a0 greater than unity at which point the relativistic scattering of the laser light originates from MeV energy electrons inside the plasma.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00517128
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Submitted on : Monday, September 13, 2010 - 3:43:54 PM
Last modification on : Wednesday, May 11, 2022 - 3:22:03 PM

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Kim Ta Phuoc, Antoine Rousse, M. Pittman, Jean-Philippe Rousseau, Victor Malka, et al.. X-Ray Radiation from Nonlinear Thomson Scattering of an Intense Femtosecond Laser on Relativistic Electrons in a Helium Plasma. Physical Review Letters, American Physical Society, 2003, 91 (19), pp.195001. ⟨10.1103/PhysRevLett.91.195001⟩. ⟨hal-00517128⟩

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