7 May 2009 Temporal characterization and flux improvement of the x-ray betatron source
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In this paper, we present the first temporal characterization of betatron X-ray radiation. Results obtained from time resolved x-ray diffraction experiments, for which the ultra fast phase transition of non thermal melting of InSb was used, indicates that the x-ray pulse duration is less than 1 ps. We then propose a novel technique to improve the spectral and flux properties of the x-ray source. The energy and the flux can be enhanced when the electron beam propagates and oscillates in a tailored plasma density profile.
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R. Fitour, K. Ta Phuoc, S. Corde, A. Rousse, "Temporal characterization and flux improvement of the x-ray betatron source", Proc. SPIE 7359, Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond, 73590X (7 May 2009); doi: 10.1117/12.820453; https://doi.org/10.1117/12.820453

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