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The concept of an electron-optical system with field emitter for a spectroscopic gyrotron
Institution:1. Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod 603950, Russia;2. GYCOM Ltd., Nizhny Novgorod 603950, Russia;3. Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia;4. Nizhny Novgorod State University, Nizhny Novgorod 603950, Russia;1. Department of Metallurgy and Materials Engineering, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore 45650, Islamabad, Pakistan;2. National Institute of Lasers and Optronics (NILOP), Nilore 45650, Islamabad, Pakistan;1. Mines Douai, Department of Polymers and Composites Technology & Mechanical Engineering, 941 rue Charles Bourseul, CS 10838, F-59508 Douai Cedex, France;2. Université de Toulouse, Mines Albi, ICA (Institut Clément Ader), Campus Jarlard, F-81013 Albi Cedex 09, France;3. Université de Lille Nord de France, 59000 Lille, France;1. College of Engineering, Huazhong Agricultural University, Wuhan 430074, PR China;2. The State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science & Technology, 430074 Wuhan, PR China;3. George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA;1. Department of Industrial Engineering, Aerospace Section, University of Naples “Federico II”, Naples, Italy;2. Department of Chemical, Materials and Industrial Production Engineering, University of Naples “Federico II”, Naples, Italy;3. Leonardo S.p.A., Pomigliano d’Arco, Naples, Italy;1. No. 50 Research Institute of China Electronics Technology Group Corporation, 200331 Shanghai, China;2. Laboratory of Advanced Material, Fudan University, 200438 Shanghai, China;1. School of Mechanical and Electrical Engineering, Soochow University, Suzhou 215021, China;2. Shagang School of Iron and Steel, Soochow University, Suzhou 215021, China
Abstract:We propose a new version of the electron-optical system for a spectroscopic gyrotron, where the primary electron flux appears due to the field emission. Requirements to the choice of the design of a multi-tip cathode are substantiated. The shape of the electrodes and the geometry of the magnetic system, which provide the formation of a helical electron beam with parameters fit for the gyrotron operation are found.
Keywords:Gyrotron  Field emission  Multi-tip silicon structures  Cathode  Spectroscopy
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