Spectrum of coherent VUV radiation generated by 5.7 MeV electrons in a multilayer X-ray mirror

2023/11/26 by M. V. Shevelev, Shevelev, Mikhail, S. R. Uglov +3
Engineering · Physics and Astronomy · #Accelerator Physics (physics.acc-ph) #Advanced X-ray Imaging Techniques #Applied Physics (physics.app-ph) #Crystallography and Radiation Phenomena #FOS: Physical sciences #Particle Accelerators and Free-Electron Lasers

paper · pdf · doi:10.48550/arxiv.2311.15267

openalex publication_date 2023/11/26 · openalex created_date 2023/11/29 · openalex updated_date 2026/07/28

Abstract

The spectral and angular properties of diffracted transition radiation (DTR) and parametric radiation (PXR) in the ultrasoft X-ray region generated by the periodic structure upon interaction with a relativistic electron beam with energy of 5.7 MeV are numerically studied using a sample of the periodic structure [Mo/Si]50, known as a multilayer X-ray mirror. Based on calculations, an experimental approach is proposed to separate and identify the contributions of PXR and DTR. The ultrasoft X-ray radiation can be used to eliminate coherent effects occurring in the optical range when diagnosing the submicron electron beam size.

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