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Absolute calibration for a broad range single shot electron spectrometer

Abstract : This article gives a detailed description of a single shot electron spectrometer which was used to characterize electron beams produced by laser-plasma interaction. Contrary to conventional electron sources, electron beams from laser-plasma accelerators can produce a broad range of energies. Therefore, diagnosing these electron spectra requires specific attention and experimental development. Here, we provide an absolute calibration of the Lanex Kodak Fine screen on a laser-triggered radio frequency picosecond electron accelerator. The efficiency of scintillating screens irradiated by electron beams has never been investigated so far. This absolute calibration is then compared to charge measurements from an integrating current transformer for quasimonoenergetic electron spectra from laser-plasma interaction.
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Submitted on : Tuesday, July 13, 2010 - 5:23:40 PM
Last modification on : Saturday, September 19, 2020 - 3:16:05 AM




Yannick Glinec, Jérôme Faure, A. Guemnie-Tafo, Victor Malka, H. Monard, et al.. Absolute calibration for a broad range single shot electron spectrometer. Review of Scientific Instruments, American Institute of Physics, 2006, 77 (10), pp.103301. ⟨10.1063/1.2360988⟩. ⟨hal-00502322⟩



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