Project of powerful long-pulse Bragg FEL of sub-THz to THz band: design, simulations and components testing

Nikolai Yu. Peskov; Andrey V. Arzhannikov; Naum S. Ginzburg; Andrey M. Malkin; Danila A. Nikiforov; Evgeny S. Sandalov; Stanislav L. Sinitsky; Alexander A. Starostenko; Alexander A. Vikharev; Vladislav Y. Zaslavsky

doi:10.1117/12.2579554

17 November 2020 Project of powerful long-pulse Bragg FEL of sub-THz to THz band: design, simulations and components testing

Nikolai Yu. Peskov, Andrey V. Arzhannikov, Naum S. Ginzburg, Andrey M. Malkin, Danila A. Nikiforov, Evgeny S. Sandalov, Stanislav L. Sinitsky, Alexander A. Starostenko, Alexander A. Vikharev, Vladislav Y. Zaslavsky

Author Affiliations +

Proceedings Volume 11582, Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications; 1158207 (2020) https://doi.org/10.1117/12.2579554
Event: Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications, 2020, Tomsk, Russian Federation

Abstract

Project of high-power FEL of sub-THz to THz band is under development in collaboration of BINP RAS (Novosibirsk) and IAP RAS (N.Novgorod) based on the linac “LIU-5” 5 MeV / 2 kA / 200 ns. The aim of this project is to achieve sub-GW power level and a record pulse energy content, ~ 10 -100 J in the specified frequency bands. The design parameters and key components of the FEL are discussed. Helical pulsed undulators were elaborated allowing for effective pumping of operating bounce oscillations. New modification of Bragg structures based on the coupling of propagating and quasi-cutoff waves, so-called advanced Bragg structures, and the possibility of its use to compose the FEL electrodynamic system were studied.

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Nikolai Yu. Peskov, Andrey V. Arzhannikov, Naum S. Ginzburg, Andrey M. Malkin, Danila A. Nikiforov, Evgeny S. Sandalov, Stanislav L. Sinitsky, Alexander A. Starostenko, Alexander A. Vikharev, and Vladislav Y. Zaslavsky "Project of powerful long-pulse Bragg FEL of sub-THz to THz band: design, simulations and components testing", Proc. SPIE 11582, Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications, 1158207 (17 November 2020); https://doi.org/10.1117/12.2579554

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KEYWORDS

Free electron lasers

Resonators

Terahertz radiation

Electrodynamics

Magnetism

Electron beams

Feedback loops

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