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- W4378465131 abstract "All-optical Compton sources combine laser wakefield accelerators and intense scattering pulses to generate ultrashort bursts of backscattered radiation. The scattering pulse plays the role of a short-period undulator in which relativistic electrons oscillate and emit x-ray radiation. To date, most of the working laser-plasma accelerators operate preferably at energies of a few hundreds of MeV and the Compton sources developed so far produce radiation in the range from hundreds of keV to a few MeV. However, for such applications as medical imaging and tomography the relevant energy range is 10-100 keV. In this article, we discuss different scattering geometries for the generation of X-rays in this range. Through numerical simulations, we study the influence of electron beam parameters on the backscattered photons. We find that the spectral bandwidth remains constant for beams of the same emittance regardless of the scattering geometry. A shallow interaction angle of 30 degrees or less seems particularly promising for imaging applications given parameters of existing laser-plasma accelerators. Finally, we discuss the influence of the radiation properties for potential applications in medical imaging and non-destructive testing." @default.
- W4378465131 created "2023-05-27" @default.
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- W4378465131 date "2023-05-24" @default.
- W4378465131 modified "2023-10-14" @default.
- W4378465131 title "All-optical Compton scattering at shallow interaction angles" @default.
- W4378465131 doi "https://doi.org/10.48550/arxiv.2305.14920" @default.
- W4378465131 hasPublicationYear "2023" @default.
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