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Shah RC, Albert F, Ta Phuoc K, et al. Coherence-based transverse measurement of synchrotron x-ray radiation from relativistic laser-plasma interaction and laser-accelerated electrons. Phys Rev E Stat Nonlin Soft Matter Phys. 2006;74(4):045401doi: 10.1103/PhysRevE.74.045401.
Shah, R. C., Albert, F., Ta Phuoc, K., Shevchenko, O., Boschetto, D., Pukhov, A., Kiselev, S., Burgy, F., Rousseau, J. P., & Rousse, A. (2006). Coherence-based transverse measurement of synchrotron x-ray radiation from relativistic laser-plasma interaction and laser-accelerated electrons. Physical review. E, Statistical, nonlinear, and soft matter physics, 74(4), 045401. https://doi.org/10.1103/PhysRevE.74.045401
Shah, R C, et al. "Coherence-based transverse measurement of synchrotron x-ray radiation from relativistic laser-plasma interaction and laser-accelerated electrons." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 74,4 (2006): 045401. doi: https://doi.org/10.1103/PhysRevE.74.045401
Shah RC, Albert F, Ta Phuoc K, Shevchenko O, Boschetto D, Pukhov A, Kiselev S, Burgy F, Rousseau JP, Rousse A. Coherence-based transverse measurement of synchrotron x-ray radiation from relativistic laser-plasma interaction and laser-accelerated electrons. Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Oct;74(4):045401. doi: 10.1103/PhysRevE.74.045401. Epub 2006 Oct 17. PMID: 17155123.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Oct;74(4):045401. doi: 10.1103/PhysRevE.74.045401. Epub 2006 Oct 17.

Coherence-based transverse measurement of synchrotron x-ray radiation from relativistic laser-plasma interaction and laser-accelerated electrons.

Physical review. E, Statistical, nonlinear, and soft matter physics

R C Shah, F Albert, K Ta Phuoc, O Shevchenko, D Boschetto, A Pukhov, S Kiselev, F Burgy, J-P Rousseau, A Rousse

Affiliations

  1. Laboratoire d'Optique Appliquée, ENSTA, CNRS UMR7639, Ecole Polytechnique, Chemin de la Hunière, 91761 Palaiseau, France. [email protected]

PMID: 17155123 DOI: 10.1103/PhysRevE.74.045401

Abstract

We observe Fresnel edge diffraction of the x-ray beam generated by the relativistic interaction of a high-intensity laser pulse with He gas. The observed diffraction at center energy 4.5 keV agrees with Gaussian incoherent source profile of full-width-half-maximum (FWHM) < 8 microm. Analysis indicates this corresponds to an upper limit on the transverse profile of laser-accelerated electrons within the plasma in agreement with three-dimensional, particle-in-cell results (FWHM = 4 microm).

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