A two-dimensional angular-resolved proton spectrometer

Su Yang, Xiaohui Yuan, Yuan Fang, Xulei Ge, Yanqing Deng, Wenqing Wei, Jian Gao, Feichao Fu, Tao Jiang, Guoqian Liao, Feng Liu, Min Chen, Yutong Li, Li Zhao, Yanyun Ma, Zhengming Sheng, Jie Zhang

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We present a novel design of two-dimensional (2D) angular-resolved spectrometer for full beam characterization of ultrashort intense laser driven proton sources. A rotated 2D pinhole array was employed, as selective entrance before a pair of parallel permanent magnets, to sample the full proton beam into discrete beamlets. The proton beamlets are subsequently dispersed without overlapping onto a planar detector. Representative experimental result of protons generated from femtosecond intense laser interaction with thin foil target is presented.

Original languageEnglish
Article number103301
Number of pages6
JournalReview of Scientific Instruments
Issue number10
Early online date3 Oct 2016
Publication statusE-pub ahead of print - 3 Oct 2016


  • protons
  • magnetic fields
  • image sensors
  • proton spectrometer

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    Yang, S., Yuan, X., Fang, Y., Ge, X., Deng, Y., Wei, W., Gao, J., Fu, F., Jiang, T., Liao, G., Liu, F., Chen, M., Li, Y., Zhao, L., Ma, Y., Sheng, Z., & Zhang, J. (2016). A two-dimensional angular-resolved proton spectrometer. Review of Scientific Instruments, 87(10), [103301]. https://doi.org/10.1063/1.4963706