Abstract
This paper reviews new technologies that make it possible to implement such modern principles of development and creation of applied linear electron accelerators as modularity, miniaturization, and cost reduction. The development of accelerators in this direction became possible due to the emergence of technologies such as compact sources of radio-frequency (RF) power supply and efficient approaches to the fabrication of accelerating structures, as well as an increase in accelerating gradients and a decrease in the power of RF losses in structures. The review is based on the author’s experience in developing compact accelerators.
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The radio frequency bands have different designations (according to GOST, IEEE, etc.) in different areas of their use, therefore, we present the designations we use and the corresponding frequency bands: S, 2–4 GHz, C – 4–8 GHz, X – 8–12 GHz, Ku – 12–18 GHz, K – 18–27 GHz, Ka, 27–40 GHz.
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ACKNOWLEDGMENTS
The author would like to thank his colleagues from RadiaBeam Technologies for their help in preparing the material: S. Boucher, R. Agustsson, P. Carriere, A. Murokh, and A.Yu. Smirnov. The author also thanks V.A. Dolgashev from the SLAC Stanford Accelerator Laboratory, United States for much advice on the subject of this review.
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The material of this review is based on information published in open sources and reflects the author’s personal view of current trends in accelerator development. Some borrowed drawings and photographs taken from open sources are used here. Figures whose sources are not given in the text belong to the author and RadiaBeam Technologies (https://radiabeam.com).
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Kutsaev, S.V. Novel Technologies for Compact Electron Linear Accelerators (Review). Instrum Exp Tech 64, 641–656 (2021). https://doi.org/10.1134/S0020441221050079
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DOI: https://doi.org/10.1134/S0020441221050079