Abstract
At the Institute of Nuclear Physics, a nine-pole hybrid wiggler is developed and successfully installed on the VEPP-4 accelerator complex. The nine poles of the wiggler are electromagnets with iron cores. To achieve the largest field, permanent magnets with a residual induction of 1.2 T are installed between the wiggler poles. Such a combination of electromagnets and permanent magnets made it possible to achieve a maximum magnetic induction of 1.9 T, with an interpolar gap of 30 mm. Currently, at the Siberian Center of Synchrotron and Terahertz Radiation, several research methods using the “hard” X-ray range (50–250 keV) based on radiation from a nine-pole wiggler are being certified. For example, using this radiation, the X‑ray imaging of fast processes, X-ray computed tomography, X-ray fluorescence analysis, and X-ray diffraction studies are carried out. A brief review of these studies is presented.
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Funding
The study was supported by a grant from the Russian Science Foundation (project no. 14-50-00080) using the unique research facility “VEPP-4–VEPP-2000 Complex” with financial support from the Ministry of Education and Science of the Russian Federation (unique project identifier RFMEFI61917X0008).
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Baranov, G.H., Cooper, K.E., Piminov, P.A. et al. Hybrid Nine-Pole Wiggler as a Source of “Hard” X-ray Radiation at the VEPP-4 Accelerator Complex. J. Surf. Investig. 14, 1290–1293 (2020). https://doi.org/10.1134/S1027451020060269
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DOI: https://doi.org/10.1134/S1027451020060269