Dover N P, Nishiuchi M, Sakaki H, Alkhimova M A, Faenov A Ya, Fukuda Y, Kiriyama H, Kon A, Kondo K, Nishitani K, Ogura K, Pikuz T A, Pirozhkov A S, Sagisaka A, Kando M, Kondo K
Kansai Photon Science Institute, National Institutes for Quantum and Radiological Science and Technology, Kizugawa, Kyoto 619-0215, Japan.
National Research Nuclear University (MEPhI), Moscow 115409, Russia.
Rev Sci Instrum. 2017 Jul;88(7):073304. doi: 10.1063/1.4994732.
A high repetition rate scintillator-based transverse beam profile diagnostic for laser-plasma accelerated proton beams has been designed and commissioned. The proton beam profiler uses differential filtering to provide coarse energy resolution and a flexible design to allow optimisation for expected beam energy range and trade-off between spatial and energy resolution depending on the application. A plastic scintillator detector, imaged with a standard 12-bit scientific camera, allows data to be taken at a high repetition rate. An algorithm encompassing the scintillator non-linearity is described to estimate the proton spectrum at different spatial locations.
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