Ioannidis ZC, Avramidis KA, Gantenbein G, Illy S, Kobarg T, Pagonakis IG, Rzesnicki T, Jelonnek J. Development and experimental verification of an XY-table for the optimization of the alignment of high-power gyrotrons. IEEE Transactions on Electron Devices [Internet]. 2019;66:1954-1959. Website

Ruess T, Avramidis KA, Gantenbein G, Ioannidis Z, Illy S, Lutz F-C, Marek A, Ruess S, Rzesnicki T, Thumm M, et al. Computer-Controlled Test System for the Excitation of Very High-Order Modes in Highly Oversized Waveguides. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2019;40:257-268. Website

Maksimenko AV, Shcherbinin VI, Hlushchenko AV, Tkachenko VI, Avramidis KA, Jelonnek J. Starting currents for eigenmodes of a gyrotron cavity with mode conversion. IEEE Transactions on Electron Devices [Internet]. 2019;66:1552-1558. Website

Genoud J, Alberti S, Tran TM, Le Bars G, Kaminski P, Hogge J-P, Avramidis KA, Tran MQ. Parasitic Oscillations in Smooth-Wall Circular Symmetric Gyrotron Beam Ducts. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2019;40:131-149. Website

Jelonnek J, Avramidis K, Franck J, Dammertz G, Gantenbein G, Hesch K, Illy S, Jin J, Malygin A, Pagonakis IG, et al. Kit contribution to the gyrotron development for nuclear fusion experiments in Europe. In: 8th German Microwave Conference, GeMiC 2014. ; 2019. Website

Kalaria PC, George M, Illy S, Avramidis KA, Gantenbein G, Ruess S, Thumm M, Jelonnek J. Multiphysics Modeling of Insert Cooling System for a 170-GHz, 2-MW Long-Pulse Coaxial-Cavity Gyrotron. IEEE Transactions on Electron Devices [Internet]. 2019;66:4008-4015. Website

Wu C, Pagonakis IG, Albert D, Avramidis KA, Gantenbein G, Illy S, Thumm M, Jelonnek J. Gyrotron multistage depressed collector based on e × B drift concept using azimuthal electric field. II: Upgraded designs. Physics of Plasmas [Internet]. 2019;26. Website

Marchesin R, Albert S, Avramidis KA, Bertinetti A, Dubrav J, Fascl D, Gantenbein G, Genoud J, Hogge J-P, Jelonnek J, et al. Manufacturing and Test of the 1 MW Long-Pulse 84/126 GHz Dual-Frequency Gyrotron for TCV. In: 2019 International Vacuum Electronics Conference, IVEC 2019. ; 2019. Website

Ruess T, Avramidis KA, Gantenbein G, Ioannidis Z, Illy S, Jin J, Lutz FC, Pagonakis IG, Ruess S, Rzesnick T, et al. Operating the KIT 170 GHz 2 MW Coaxial-Cavity Gyrotron at 204 GHz: Performance Expectations and First Cold Test of the Quasi-Optical System. In: 2019 International Vacuum Electronics Conference, IVEC 2019. ; 2019. Website

Kalaria PC, Brucker PT, Ruess S, Illy S, Avramidis KA, Gantenbein G, Thumm M, Jclonnck J. Design Studies of Mini-Channel Cavity Cooling for a 170 GHz, 2 MW Coaxial-Cavity Gyrotron. In: 2019 International Vacuum Electronics Conference, IVEC 2019. ; 2019. Website

Avramidis KA, Aiello G, Brucker PT, Ell B, Franke T, Gantenbein G, Grossetti G, Illy S, Ioannidis ZC, Jin J, et al. DEMO-Relevant Gyrotron Research at KIT. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Leggieri A, Alberti S, Avramidis KA, Dammertz G, Erckmann V, Gantenbein G, Hogge J-P, Illy S, Ioannidis Z, Jelonnek J, et al. THALES TH1507 140 GHz 1 MW CW gyrotron for W7-X stellarator. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Alberti S, Avramidis KA, Bin W, Bertinetti A, Dubray J, Fasel D, Garavaglia S, Genoud J, Goodman T, Hogge JP, et al. High-efficiency, long-pulse operation of MW-level dual-frequency gyrotron, 84/126GHz, for the TCV Tokamak. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Illy S, Avramidis KA, Brucker PT, Gantenbein G, Kalaria PC, Ruess S, Thumm M, Jelonnek J. Investigation of a mini-channel cavity cooling concept for a 170 GHz, 2 MW coaxial-cavity gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2019-September. ; 2019. Website

Ioannidis ZC, Albajar F, Alberti S, Avramidis KA, Bin W, Bonicelli T, Bruschi A, Chelis J, Fanale F, Gantenbein G, et al. Recent experiments with the European 1MW, 170GHz industrial CW and short-pulse gyrotrons for ITER. Fusion Engineering and Design [Internet]. 2019;146:349-352. Website

Gantenbein G, Avramidis K, Illy S, Ioannidis ZC, Jin J, Jelonnek J, Kalaria P, Pagonakis IG, Ruess S, Ruess T, et al. New trends of gyrotron development at KIT: An overview on recent investigations. Fusion Engineering and Design [Internet]. 2019;146:341-344. Website

Bertinetti A, Albajar F, Avramidis KA, Cau F, Cismondi F, Gantenbein G, Jelonnek J, Kalaria PC, Ruess S, Rzesnicki T, et al. Analysis of an actively-cooled coaxial cavity in a 170 GHz 2 MW gyrotron using the multi-physics computational tool MUCCA. Fusion Engineering and Design [Internet]. 2019;146:74-77. Website

Avramidis KA, Aiello G, Alberti S, Brücker PT, Bruschi A, Chelis I, Franke T, Gantenbein G, Garavaglia S, Genoud J, et al. Overview of recent gyrotron R&D towards DEMO within EUROfusion Work Package Heating and Current Drive. Nuclear Fusion [Internet]. 2019;59. Website

Ruess T, Avramidis KA, Gantenbein G, Ioannidis Z, Illy S, Jin J, Lutz F-C, Marek A, Ruess S, Rzesnicki T, et al. Automated Generation of High-Order Modes for Tests of Quasi-Optical Systems of Gyrotrons for W7-X Stellarator. In: GeMiC 2019 - 2019 German Microwave Conference. ; 2019. pp. 226-228. Website

Jelonnek J, Aiello G, Albaiar F, Alberti S, Avramidis KA, Bertinetti A, Brucker PT, Bruschi A, Chclis I, Dubray J, et al. From W7-X Towards ITER and Beyond: 2019 Status on EU Fusion Gyrotron Developments. In: 2019 International Vacuum Electronics Conference, IVEC 2019. ; 2019. Website

Shcherbinin VI, Tkachenko VI, Avramidis KA, Jelonnek J. Coaxial Cavity with Stepped Inner Conductor for a Sub-Terahertz Second-Harmonic Gyrotron with Broadband Continuous Frequency Tuning. IEEE Transactions on Electron Devices [Internet]. 2019;66:5313-5320. Website

Wilde F, Marsen S, Stange T, Moseev D, Oosterbeek JW, Laqua HP, Wolf RC, Avramidis K, Gantenbein G, Pagonakis IG, et al. Automated mode recovery for gyrotrons demonstrated at Wendelstein 7-X. Fusion Engineering and Design [Internet]. 2019;148. Website

Aiello G, Scherer T, Avramidis K, Casal N, Franke T, Gagliardi M, Gantenbein G, Henderson M, Jelonnek J, Meier A, et al. Diamond Window Technology for Electron Cyclotron Heating and Current Drive: State of the Art. Fusion Science and Technology [Internet]. 2019;75:719-729. Website