2022
Rzesnicki T, Avramidis KA, Chelis I, Gantenbein G, Illy S, Ioannidis ZC, Jin J, Thumm M, Jelonnek J.
1.5 MW, 140 GHz Gyrotron for W7-X - development status and experimental results. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2022-August. ; 2022.
Website Rzesnicki T, Albajar F, Avramidis KA, Chelis I, Gantenbein G, Hogge J-P, Illy S, Ioannidis ZC, Jelonnek J, Jin J, et al. European 1 MW, 170 GHz CW Gyrotron Prototype for ITER - long-pulse operation at KIT. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2022-August. ; 2022.
Website Pedersen TS, Abramovic I, Agostinetti P, Torres MA, Äkäslompolo S, Belloso JA, Aleynikov P, Aleynikova K, Alhashimi M, Ali A, et al. Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X. Nuclear Fusion [Internet]. 2022;62.
Website Rzesnicki T, Ioannidis ZC, Avramidis KA, Chelis I, Gantenbein G, Hogge J-P, Illy S, Jelonnek J, Jin J, Leggieri A, et al. Experimental Testing of the European TH1509U 170-GHz 1-MW CW Industrial Gyrotron-Long Pulse Operation. IEEE Electron Device Letters [Internet]. 2022;43:623-626.
Website Peponis DV, Latsas GP, Chelis IG, Avramidis KA, Ioannidis ZC, Tigelis IG.
FDTD Analysis of Cylindrical Waveguides With Both Axial and Azimuthal Corrugations. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2022-August. ; 2022.
Website Tran MQ, Agostinetti P, Aiello G, Avramidis K, Baiocchi B, Barbisan M, Bobkov V, Briefi S, Bruschi A, Chavan R, et al. Status and future development of Heating and Current Drive for the EU DEMO. Fusion Engineering and Design [Internet]. 2022;180.
Website Goodman TP, Alberti S, Genoud J, Torreblanca H, Albajar F, Sanchez F, Leggieri A, Legrand F, Lievin C, Ioannidis Z, et al. Tests and Qualification of the European 1 MW, 170 GHz CW Gyrotron in an ITER relevant configuration at SPC. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2022-August. ; 2022.
Website Marek A, Avramidis KA, Feuerstein L, Illy S, Thumm M, Wu C, Jelonnek J.
Time-Domain Simulation of Helical Gyro-TWTs With Coupled Modes Method and 3-D Particle Beam. IEEE Transactions on Electron Devices [Internet]. 2022;69:4546-4552.
Website Feuerstein L, Marek A, Avramidis KA, Illy S, Wu C, Jelonnek J.
Validation of a New Fast-Time Scale Code for Advanced Simulations of Gyrotron Cavities. In: 2022 German Microwave Conference, GeMiC 2022. ; 2022. pp. 144-147.
Website 2021
Krier L, Avramidis KA, Braune H, Gantenbein G, Illy S, Ioannidis Z, Jelonnek J, Laqua HP, Marsen S, Moseev D, et al. Frequency Stabilization of Megawatt-Class 140 GHz Gyrotrons at W7-X Using an Off-the-Shelf PLL System. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2021-August. ; 2021.
Website Shcherbinin VI, Avramidis KA, Thumm M, Jelonnek J.
Mode Discrimination by Lossy Dielectric Rods in Cavities of Second-Harmonic Gyrotrons. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2021;42:93-105.
Website Ruess T, Avramidis KA, Gantenbein G, Ioannidis Z, Illy S, Jin J, Pagonakis IG, Rzesnicki T, Thumm M, Weggen J, et al. Performance Expectation and Preparation of the First Experimental Campaign of the KIT 2 MW 170/204 GHz Coaxial-Cavity Gyrotron. In: 2021 22nd International Vacuum Electronics Conference, IVEC 2021. ; 2021.
Website Leggieri A, Bariou D, Hermann V, Legrand F, Lietaer G, Lievin C, Marchesin R, Thouvenin P, Albajar F, Sanchez F, et al. TH1509U European 170 GHZ 1 MW CW Industrial Gyrotron Upgrade. In: 2021 22nd International Vacuum Electronics Conference, IVEC 2021. ; 2021.
Website Brücker P, Avramidis KA, Marek A, Thumm M, Jelonnek J.
Theoretical Investigation on Injection Locking of the EU 170 GHz 2 MW TE34,19-Mode Coaxial-Cavity Gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2021-August. ; 2021.
Website Wu C, Aiello G, Avramidis KA, Bruschi A, Fable E, Franke T, Gantenbein G, Garavaglia S, Granucci G, Illy S, et al. Basic design considerations for a frequency step-tunable electron cyclotron wave system to suppress NTMs in DEMO. Fusion Engineering and Design [Internet]. 2021;173.
Website Stanculovic S, Difonzo R, Allio A, Avramidis KA, Brücker P, Gantenbein G, Illy S, Jelonnek J, Kalaria PC, Misko M, et al. Calibration of the KIT test setup for the cooling tests of a gyrotron cavity full-size mock-up equipped with mini-channels. Fusion Engineering and Design [Internet]. 2021;172.
Website Aiello G, Avramidis KA, Gantenbein G, Jelonnek J, Jin J, Laqua HP, Meier A, Scherer T, Strauss D, Thumm M.
Design verification of the gyrotron diamond output window for the upgrade of the ECRH system at W7-X. Fusion Engineering and Design [Internet]. 2021;165.
Website Ioannidis ZC, Avramidis KA, Rzesnicki T, Chelis I, Gantenbein G, Illy S, Jin J, Pagonakis IG, Thumm M, Jelonnek J.
Generation of 1.5 MW-140 GHz Pulses with the Modular Pre-Prototype Gyrotron for W7-X. IEEE Electron Device Letters [Internet]. 2021;42:939-942.
Website Franke T, Aiello G, Avramidis K, Bachmann C, Baiocchi B, Baylard C, Bruschi A, Chauvin D, Cufar A, Chavan R, et al. Integration concept of an Electron Cyclotron System in DEMO. Fusion Engineering and Design [Internet]. 2021;168.
Website Aiello G, Avramidis KA, Franke T, Gantenbein G, Jelonnek J, Meier A, Scherer T, Schreck S, Strauss D, Thumm M, et al. Large Area Diamond Disk Growth Experiments and Thermomechanical Investigations for the Broadband Brewster Window in DEMO. IEEE Transactions on Electron Devices [Internet]. 2021;68:4669-4674.
Website Shcherbinin VI, Avramidis KA, Pagonakis IG, Thumm M, Jelonnek J.
Large Power Increase Enabled by High-Q Diamond-Loaded Cavities for Terahertz Gyrotrons. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2021;42:863-877.
Website Avramidis KA, Ioannidis ZC, Illy S, Jin J, Ruess T, Aiello G, Thumm M, Jelonnek J.
Multifaceted Simulations Reproducing Experimental Results from the 1.5-MW 140-GHz Preprototype Gyrotron for W7-X. IEEE Transactions on Electron Devices [Internet]. 2021;68:3063-3069.
Website Avramidis KA, Ioannidis ZC, Aiello G, Bénin P, Chelis I, Dinklage A, Gantenbein G, Illy S, Jelonnek J, Jin J, et al. Towards a 1.5 MW, 140 GHz gyrotron for the upgraded ECRH system at W7-X. Fusion Engineering and Design [Internet]. 2021;164.
Website 2020
Moseev D, Laqua HP, Stange T, Abramovic I, Nielsen SK, Äkäslompolo S, Avramidis K, Braune H, Gantenbein G, Illy S, et al. Collective Thomson Scattering Diagnostic for Wendelstein 7-X at 175 GHz. Journal of Instrumentation [Internet]. 2020;15.
Website Shcherbinin VI, Moskvitina YK, Avramidis KA, Jelonnek J.
Improved Mode Selection in Coaxial Cavities for Subterahertz Second-Harmonic Gyrotrons. IEEE Transactions on Electron Devices [Internet]. 2020;67:2933-2939.
Website Hogge J-P, Alberti S, Avramidis KA, Bruschi A, Bin W, Cau F, Cismondi F, Dubray J, Fasel D, Gantenbein G, et al. Megawatt power generation of the dual-frequency gyrotron for TCV at 84 and 126 GHz, in long pulses. In: AIP Conference Proceedings. Vol. 2254. ; 2020.
Website Glyavin MY, Tsvetkov AI, Pagonakis IG, Jelonnek J, Avramidis KA, Mitsudo S.
The project of a 2nd harmonic 0.78 THz gyrotron with a coaxial cavity. In: Proceedings of SPIE - The International Society for Optical Engineering. Vol. 11582. ; 2020.
Website Marek A, Avramidis KA, Ginzburg NS, Haas D, Illy S, Jin J, Thumm M, Jelonnek J.
Simple Feedback System for Passive Mode Locked Gyro-Devices at 263 GHz. In: GeMIC 2020 - Proceedings of the 2020 German Microwave Conference. ; 2020. pp. 56-59.
Website Aiello G, Schreck S, Avramidis KA, Franke T, Gantenbein G, Jelonnek J, Meier A, Scherer T, Strauss D, Thumm M, et al. Towards large area CVD diamond disks for Brewster-angle windows. Fusion Engineering and Design [Internet]. 2020;157.
Website Pagonakis IG, Avramidis KA, Gantenbein G, Illy S, Ioannidis ZC, Jin J, Kalaria P, Piosczyk B, Ruess S, Ruess T, et al. Triode magnetron injection gun for the KIT 2 MW 170 GHz coaxial cavity gyrotron. Physics of Plasmas [Internet]. 2020;27.
Website Marek A, Avramidis K, Ginzburg N, Illy S, Jelonnek J, Jin J, Thumm M.
Extended Feedback System for Coupled Sub-THz Gyro-Devices to Provide New Regimes of Operation. IEEE Transactions on Electron Devices [Internet]. 2020;67:5729-5735.
Website Ioannidis ZC, Rzesnicki T, Avramidis KA, Gantenbein G, Illy S, Jin J, Krier L, Pagonakis IG, Ruess S, Schmid M, et al. Operation of the Modular KIT 170 GHz - 2 MW Longer-Pulse Coaxial-Cavity Gyrotron with Pulses up to 50 ms. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2020-November. ; 2020. pp. 433-434.
Website Illy S, Avramidis KA, Ioannidis ZC, Aiello G, Benin P, Chelis I, Dinklage A, Gantenbein G, Jelonnek J, Jin J, et al. Recent Development of a 1.5 MW, 140 GHz Continuous-Wave Gyrotron for the Upgraded ECRH System at W7-X. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2020-November. ; 2020. pp. 462-463.
Website Krier L, Pagonakis IG, Avramidis KA, Gantenbein G, Illy S, Jelonnek J, Jin J, Laqua HP, Marek A, Moseev D, et al. Theoretical investigation on possible operation of a 140 GHz 1 MW gyrotron at 175 GHz for CTS plasma diagnostics at W7-X. Physics of Plasmas [Internet]. 2020;27.
Website Ruess T, Avramidis KA, Gantenbein G, Illy S, Rzesnicki T, Thumm M, Jelonnek J.
Theoretical Study on the Possibility for Stepwise Tuning of the Frequency of the KIT 2 MW 170/204 GHz Coaxial-Cavity Gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2020-November. ; 2020. pp. 435-436.
Website 2019
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 2018
Balk MC, Avramidis KA, Illy S, Wu C.
2nd Harmonic Gyrotron simulation with CST STUDIO SUITE®. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2.
Website Ruess T, Avramidis KA, Gantenbein G, Illy S, Ioannidis Z, Kalaria P, Obermaier M, Pagonakis IG, Ruess S, Rzesnicki T, et al. Considerations on the selection of operating modes for future coaxial-cavity gyrotrons for DEMO. In: GeMiC 2018 - 2018 German Microwave Conference. Vol. 2018-January. ; 2018. pp. 283-286.
Website Ioannidis ZC, Rzesnicki T, Avramidis K, Gantenbein G, Illy S, Jin J, Kobarg T, Pagonakis IG, Schmid M, Thumm M, et al. First CW experiments with the EU ITER 1 MW, 170 GHz industrial prototype gyrotron. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2.
Website Illy S, Kalaria PC, Franck J, Avramidis KA, Gantenbein G, Pagonakis IG, Thumm M, Jelonnek J.
Investigation on misalignment tolerances of 240-GHz DEMO gyrotrons. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2.
Website Ruess S, Avramidis KA, Gantenbein G, Ioannidis Z, Illy S, Kalaria PC, Kobarg T, Pagonakis IG, Ruess T, Rzesnicki T, et al. KIT in-house manufacturing and first operation of a 170 GHz 2 MW longer-pulse coaxial-cavity pre-prototype gyrotron. In: GeMiC 2018 - 2018 German Microwave Conference. Vol. 2018-January. ; 2018. pp. 291-294.
Website Wilde F, Laqua HP, Marsen S, Stange T, Avramidis KA, Gantenbein G, Jelonnek J, Illy S, Pagonakis IG, Thumm M.
Measurements of satellite modes in 140 GHz wendelstein 7-X gyrotrons: An approach to an electronic stability control. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2.
Website Kalaria PC, Avramidis KA, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Mode competition control using triode-type start-up scenario for a 236 GHz gyrotron for DEMO. In: GeMiC 2018 - 2018 German Microwave Conference. Vol. 2018-January. ; 2018. pp. 287-290.
Website Avramidis KA, Gantenbein G, Ioannidis ZC, Pagonakis IG, Rzesnicki T, Thumm M, Jelonnek J, Albajar F, Cau F, Cismondi F, et al. Numerical studies on the influence of cavity thermal expansion on the performance of a high-power gyrotron. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2.
Website Lin MC, Illy S, Avramidis K, Thumm M, Jelonnek J.
Study on the after cavity interaction in a 140 GHz model TE0,3 gyrotron using 3D CFDTD PIC simulations. In: IVEC 2017 - 18th International Vacuum Electronics Conference. Vol. 2018-January. ; 2018. pp. 1-2.
Website Ruess T, Avramidis KA, Fuchs M, Gantenbein G, Illy S, Ioannidis Z, Lutz FC, Ruess S, Rzesnicki T, Thumm M, et al. 2018 Status of the Measurement Capabilities for Fusion Gyrotrons at KIT/IHM. In: EPJ Web of Conferences. Vol. 187. ; 2018.
Website Marek A, Avramidis KA, Ginzburg NS, Illy S, Jelonnek J, Jin J, Mishakin SV, Thumm M.
Benefits of advanced full-wave vector analysis codes for the design of high-power microwave tubes. In: GeMiC 2018 - 2018 German Microwave Conference. Vol. 2018-January. ; 2018. pp. 279-282.
Website Ruess S, Avramidis KA, Gantenbein G, Ioannidis Z, Illy S, Kalaria PC, Kobarg T, Pagonakis IG, Ruess T, Rzesnicki T, et al. Current Status of the KIT Coaxial-Cavity Long-Pulse Gyrotron and its Key Components. In: EPJ Web of Conferences. Vol. 187. ; 2018.
Website Ruess S, Avramidis KA, Fuchs M, Gantenbein G, Ioannidis Z, Illy S, Jin J, Kalaria PC, Kobarg T, Pagonakis IG, et al. KIT coaxial gyrotron development: From ITER toward DEMO. International Journal of Microwave and Wireless Technologies [Internet]. 2018;10:547-555.
Website Pagonakis IG, Illy S, Ioannidis ZC, Rzesnicki T, Avramidis KA, Gantenbein G, Kobarg T, Piosczyk B, Thumm M, Jelonnek J.
Numerical Investigation on Spent Beam Deceleration Schemes for Depressed Collector of a High-Power Gyrotron. IEEE Transactions on Electron Devices [Internet]. 2018;65:2321-2326.
Website Avramidis KA, Bertinetti A, Albajar F, Cau F, Cismondi F, Gantenbein G, Illy S, Ioannidis ZC, Jelonnek J, Legrand F, et al. Numerical Studies on the Influence of Cavity Thermal Expansion on the Performance of a High-Power Gyrotron. IEEE Transactions on Electron Devices [Internet]. 2018;65:2308-2315.
Website Kalaria PC, George M, Uly S, Avramidis KA, Gantenbein G, Ruess S, Rzesnicki T, Thumm M, Jelonnek J.
Performance analysis of an insert cooling system for long-pulse operation of a coaxial-cavity gyrotron. In: 2018 IEEE International Vacuum Electronics Conference, IVEC 2018. ; 2018. pp. 69-70.
Website Franke T, Agostinetti P, Aiello G, Avramidis K, Bachmann C, Bruschi A, Federici G, Garavaglia S, Granucci G, Grossetti G, et al. Review of the innovative HCD designs and the impact of their configurations on the performance of the EU DEMO fusion power plant reactor. IEEE Transactions on Plasma Science [Internet]. 2018;46:1633-1640.
Website Lin M-C, Illy S, Avramidis KA, Thumm M, Jelonnek J.
Study on after Cavity Interaction in a 140-GHz Model TE0,3 Gyrotron Using 3-D CFDTD PIC Simulation. IEEE Transactions on Plasma Science [Internet]. 2018;46:1937-1942.
Website Jelonnek J, Aiello G, Avramidis K, Gantenbein G, Grossetti G, Illy S, Ioannidis ZC, Jin J, Kalaria P, Marek A, et al. 2018 Status on KIT Gyrotron Activities. In: EPJ Web of Conferences. Vol. 187. ; 2018.
Website Marek A, Avramidis KA, Copplestone SM, Ginzburg NS, Illy S, Jelonnek J, Jin J, Mishakin SV, Ortwein P, Thumm M.
Contributions to the Joint DFG-RSF Project - Generation of Ultra-Short Microwave Pulses - Generation o. In: EPJ Web of Conferences. Vol. 187. ; 2018.
Website Rzesnicki T, Avramidis KA, Gantenbein G, Illy S, Joannidis ZC, Jin J, Pagonakis IG, Ruess S, Ruess T, Schmid M, et al. Development and First Operation of the 170 GHz, 2 MW Longer-Pulse Coaxial-Cavity Modular Gyrotron Prototype at KIT. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2018-September. ; 2018.
Website Garavaglia S, Aiello G, Alberti S, Avramidis K, Bruschi A, Chelis IG, Franck J, Gantenbein G, Granucci G, Grossetti G, et al. EU DEMO EC system preliminary conceptual design. Fusion Engineering and Design [Internet]. 2018;136:1173-1177.
Website Kalaria PC, Avramidis KA, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Influence of Electron Beam Misalignment on the Performance of a 0.24 THz, 1.5 MW Hollow-Cavity Gyrotron Design for DEMO. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2018-September. ; 2018.
Website Pagonakis IG, Avramidis KA, Gantenbein G, Illy S, Ioannidis Z, Legrand F, Ruess S, Ruess T, Rzesnicki T, Thumm M, et al. Magnetron Injection Gun for the 2 MW 170 GHz Modular Coaxial Cavity Gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2018-September. ; 2018.
Website Illy S, Avramidis KA, Jackowski L, Kdous W, Jelonnek J.
Optimized Vertical Collector Sweeping for High Power CW Gyrotrons Using Advanced Current Waveforms. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2018-September. ; 2018.
Website Avramidis KA, Aiello G, Brucker PT, Gantenbein G, George M, Grossetti G, Illy S, Joannidis IC, Jin J, Kalaria PC, et al. Overview of Recent Gyrotron RD at KIT in View of the EU DEMO. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2018-September. ; 2018.
Website Pagonakis IG, Wu C, Ell B, Avramidis KA, Gantenbein G, Illy S, Thumm M, Jelonnek J.
Progress in the development of a multistage depressed collector system for high power gyrotrons. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2018-September. ; 2018.
Website Ruess T, Avramidis KA, Fuchs M, Gantenbein G, Illy S, Lutz F-C, Marek A, Ruess S, Rzesnicki T, Thumm M, et al. Towards fully automated systems for the generation of very high order modes in oversized waveguides. In: EPJ Web of Conferences. Vol. 195. ; 2018.
Website 2017
Granucci G, Aiello G, Alberti S, Avramidis KA, Braunmüller F, Bruschi A, Chelis J, Franck J, Figini L, Gantenbein G, et al. Conceptual design of the EU DEMO EC-system: Main developments and R&D achievements. Nuclear Fusion [Internet]. 2017;57.
Website Aiello G, Scherer TA, Strauss D, Avramidis K, Jelonnek J, Franke T, Tran MQ.
Cooling concepts for the CVD diamond brewster-angle window. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2017.
Website Ioannidis ZC, Rzesnicki T, Albajar F, Alberti S, Avramidis KA, Bin W, Bonicelli T, Bruschi A, Chelis I, Frigot P-E, et al. CW Experiments with the EU 1-MW, 170-GHz Industrial Prototype Gyrotron for ITER at KIT. IEEE Transactions on Electron Devices [Internet]. 2017;64:3885-3892.
Website Zhang J, Illy S, Pagonakis IG, Rzesnicki T, Avramidis KA, Malygin A, Ruess S, Samartsev A, Dammertz G, Piosczyk B, et al. Evaluation and influence of gyrotron cathode emission inhomogeneity. IEEE Transactions on Electron Devices [Internet]. 2017;64:1315-1322.
Website Pagonakis IG, Avramidis KA, Gantenbein G, Rzesnicki T, Samartsev A, Jelonnek J.
Magnetic field profile analysis for gyrotron experimental investigation. Physics of Plasmas [Internet]. 2017;24.
Website Kalaria PC, Avramidis KA, Franck J, Gantenbein G, Illy S, Jin J, Pagonakis IG, Thumm M, Jelonnek J.
RF Behavior and Launcher Design for a Fast Frequency Step-Tunable 236GHz Gyrotron for DEMO. Frequenz [Internet]. 2017;71:161-171.
Website Marek A, Avramidis KA, Copplestone SM, Ginzburg NS, Illy S, Jelonnek J, Jin J, Mishakin SV, Müller A-S, Ortwein P, et al. Simulation of electromagnetic fields scattered from arbitrary shaped electric conductors. In: EPJ Web of Conferences. Vol. 149. ; 2017.
Website Copplestone SM, Ortwein P, Munz C-D, Avramidis KA, Jelonnek J.
Simulation of gyrotrons using the high-order particle-in-cell code PICLas. In: EPJ Web of Conferences. Vol. 149. ; 2017.
Website Jelonnek J, Aiello G, Alberti S, Avramidis K, Braunmueller F, Bruschi A, Chelis J, Franck J, Franke T, Gantenbein G, et al. Design considerations for future DEMO gyrotrons: A review on related gyrotron activities within EUROfusion. Fusion Engineering and Design [Internet]. 2017;123:241-246.
Website Jelonnek J, Aiello G, Avramidis K, Gantenbein G, Grossetti G, Illy S, Ioannidis ZC, Jin J, Kalaria P, Marek A, et al. Developments of fusion gyrotrons for W7-X, ITER and EU DEMO: Ongoing activities and future plans of KIT. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2017.
Website Rzesnicki T, Ioannidis ZC, Avramidis KA, Gantenbein G, Illy S, Jelonnek J, Jin J, Kobarg T, Pagonakis IG, Schmid M, et al. Experimental study on further performance optimization of the European 1 MW, 170 GHz gyrotron prototype for ITER. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2017.
Website Rzesnicki T, Albajar F, Alberti S, Avramidis KA, Bin W, Bonicelli T, Braunmueller F, Bruschi A, Chelis J, Frigot P-E, et al. Experimental verification of the European 1 MW, 170 GHz industrial CW prototype gyrotron for ITER. Fusion Engineering and Design [Internet]. 2017;123:490-494.
Website Franke T, Agostinetti P, Avramidis K, Bader A, Bachmann C, Biel W, Bolzonella T, Ciattaglia S, Coleman M, Cismondi F, et al. Heating & current drive efficiencies, TBR and RAMI considerations for DEMO. Fusion Engineering and Design [Internet]. 2017;123:495-499.
Website Ruess S, Avramidis KA, Fuchs M, Gantenbein G, Illy S, Kalaria PC, Kobarg T, Pagonakis IG, Rzesnicki T, Thumm M, et al. KIT coaxial gyrotron development: From ITER towards DEMO. In: European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017. Vol. 2017-January. ; 2017. pp. 860-863.
Website Bertinetti A, Avramidis KA, Albajar F, Cau F, Cismondi F, Rozier Y, Savoldi L, Zanino R.
Multi-physics analysis of a 1 MW gyrotron cavity cooled by mini-channels. Fusion Engineering and Design [Internet]. 2017;123:313-316.
Website Pagonakis IG, Wu C, Avramidis KA, Gantenbein G, Illy S, Thumm M, Jelonnek J.
Overview of recent theoretical studies on ExB multistage depressed collector designs for gyrotrons. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2017.
Website Alberti S, Genoud J, Goodman T, Hogge J-P, Porte L, Silva M, Tran T-M, Tran M-Q, Avramidis K, Pagonakis I, et al. Recent progress in the upgrade of the TCV EC-system with two 1MW/2s dual-frequency (84/126GHz) gyrotrons. In: EPJ Web of Conferences. Vol. 157. ; 2017.
Website Gantenbein G, Avramidis K, Franck J, Illy S, Ioannidis ZC, Jin J, Jelonnek J, Kalaria P, Pagonakis IG, Ruess S, et al. Recent Trends in Fusion Gyrotron Development at KIT. In: EPJ Web of Conferences. Vol. 157. ; 2017.
Website 2016
Pagonakis IG, Piosczyk B, Zhang J, Illy S, Rzesnicki T, Hogge J-P, Avramidis K, Gantenbein G, Thumm M, Jelonnek J.
Electron trapping mechanisms in magnetron injection guns. Physics of Plasmas [Internet]. 2016;23.
Website Franck J, Avramidis KA, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Direct Voltage Depression Calculation of Arbitrary Electron Beams in Misaligned Coaxial Gyrotron Cavities. IEEE Transactions on Electron Devices [Internet]. 2016;63:3740-3746.
Website Kalaria P, Avramidis KA, Franck J, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
A fast frequency step-Tunable 236 GHz gyrotron design for DEMO. In: GeMiC 2016 - 2016 German Microwave Conference. ; 2016. pp. 377-380.
Website Jelonnek J, Gantenbein G, Avramidis K, Franck J, Illy S, Ioannidis Z, Jin J, Kalaria P, Pagonakis I, Ruess S, et al. Gyrotron-Forschung und -Entwicklung am KIT: Ein wichtiger Beitrag zur europäischen Fusionsforschung. Vakuum in Forschung und Praxis [Internet]. 2016;28:21-27.
Website Kalaria PC, Avramidis KA, Franck J, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Investigation on mode eigenvalue limits for stable 236 GHz, 1 MW-class gyrotron operation. In: 2016 IEEE International Vacuum Electronics Conference, IVEC 2016. ; 2016.
Website Rozier Y, Albajar F, Alberti S, Avramidis KA, Bonicelli T, Cismondi F, Frigot P-E, Gantenbein G, Hermann V, Hogge J-P, et al. Manufacturing and tests of the European 1 MW, 170 GHz CW gyrotron prototype for ITER. In: 2016 IEEE International Vacuum Electronics Conference, IVEC 2016. ; 2016.
Website Franke T, Avramidis K, Jelonnek J, Granucci G, Kalsey M, Noterdaeme J-M, Simonin A, Sonato P, Tran MQ.
On the present status of the EU demo H&CD systems, technology, functions and mix. In: Proceedings - Symposium on Fusion Engineering. Vol. 2016-May. ; 2016.
Website Ioannidis ZC, Avramidis KA, Tigelis IG.
Selectivity Properties of Coaxial Gyrotron Cavities With Mode Converting Corrugations. IEEE Transactions on Electron Devices [Internet]. 2016;63:1299-1306.
Website Avramidis KA, Pagonakis IG, Chelis IG, Gantenbein G, Ioannidis ZC, Peponis DV, Rzesnicki T, Jelonnek J.
Simulations of the experimental operation of the EU 170 GHz, 1 MW short-pulse prototype gyrotron for ITER. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016.
Website Hogge J-P, Albajar F, Alberti S, Avramidis K, Bin W, Bonicelli T, Braunmueller F, Bruschi A, Chelis J, Frigot P-E, et al. Status and experimental results of the European 1 MW, 170 GHz industrial CW prototype Gyrotron for ITER. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016.
Website Kalaria PC, Avramidis KA, Franck J, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Systematic cavity design approach for a multi-frequency gyrotron for DEMO and study of its RF behavior. Physics of Plasmas [Internet]. 2016;23.
Website Alberti S, Genoud J, Goodman T, Hogge J-P, Silva M, Tran TM, Tran MQ, Avramidis K, Pagonakis IG, Jin J, et al. Progress on the upgrade of the TCV EC-system with two 1MW dual-frequency gyrotrons. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016.
Website Ruess S, Avramidis K, Gantenbein G, Illy S, Pagonakis IG, Rzesnicki T, Thumm M, Jelonnek J.
Proposal of an inverse magnetron injection gun for future hollow-cylindrical-cavity high power gyrotrons. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2016-November. ; 2016.
Website 2015
Franck J, Avramidis K, Gantenbein G, Illy S, Jin J, Thumm M, Jelonnek J.
A generic mode selection strategy for high-order mode gyrotrons operating at multiple frequencies. Nuclear Fusion [Internet]. 2015;55.
Website Avramidis KA, Ioannidis ZC, Kern S, Samartsev A, Pagonakis IG, Tigelis IG, Jelonnek J.
A comparative study on the modeling of dynamic after-cavity interaction in gyrotrons. Physics of Plasmas [Internet]. 2015;22.
Website Samartsev A, Avramidis KA, Gantenbein G, Dammertz G, Thumm M, Jelonnek J.
Efficient frequency step-tunable megawatt-class D-band gyrotron. IEEE Transactions on Electron Devices [Internet]. 2015;62:2327-2332.
Website Wu C, Avramidis KA, Thumm M, Jelonnek J.
An Improved Broadband Boundary Condition for the RF Field in Gyrotron Interaction Modeling. IEEE Transactions on Microwave Theory and Techniques [Internet]. 2015;63:2459-2467.
Website Kalaria P, Avramidis KA, Franck J, Gantenbein G, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Interaction circuit design and RF behavior of a 236 GHz gyrotron for DEMO. In: 2015 German Microwave Conference, GeMiC 2015. ; 2015. pp. 264-267.
Website Franck J, Pagonakis IG, Avramidis KA, Gantenbein G, Illy S, Thumm M, Jelonnek J.
Magnetron injection gun for a 238 GHz 2 MW coaxial-cavity gyrotron. In: 2015 German Microwave Conference, GeMiC 2015. ; 2015. pp. 260-263.
Website Kalaria PC, Avramidis KA, Franck J, Illy S, Pagonakis IG, Thumm M, Jelonnek J.
Multi-frequency operation of DEMO gyrotron with realistic electron beam parameters. In: Proceedings of 2015 IEEE International Vacuum Electronics Conference, IVEC 2015. ; 2015.
Website Avramidis KA, Samartsev A, Gantenbein G.
Optimization of the resonator of a MW-class frequency step-tunable gyrotron. In: Proceedings of 2015 IEEE International Vacuum Electronics Conference, IVEC 2015. ; 2015.
Website Chelis IG, Avramidis KA, Vomvoridis JL.
Resonant modes of disk-loaded cylindrical structures with open boundaries. IEEE Transactions on Microwave Theory and Techniques [Internet]. 2015;63:1781-1790.
Website Schlaich A, Chuanren W, Pagonakis I, Avramidis KA, Illy S, Gantenbein G, Jelonnek J, Thumm M.
Separation of thermal expansion and beam charge neutralization effects in high power 140 GHz CW gyrotrons. In: ICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams. ; 2015.
Website Avramidis KA, Tran T-M, Brunner S, Wu C, Alberti S, Jelonnek J.
Studies on boundary conditions for gyrotron interaction modeling. In: ICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams. ; 2015.
Website Alberti S, Braunmueller F, Genoud J, Hogge J-P, Tran TM, Tran MQ, Avramidis K, Pagonakis IG, Jin J, Illy S, et al. Dual-frequency, 126/84 GHz, 1 MW gyrotron for the upgrade of the TCV EC-system. In: IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves. ; 2015.
Website Gantenbein G, Samartsev A, Avramidis KA, Dammertz G, Thumm M, Jelonnek J.
Efficient frequency step-tunable megawatt-class D-band gyrotron. In: IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves. ; 2015.
Website Schlaich A, Wu C, Pagonakis I, Avramidis K, Illy S, Gantenbein G, Jelonnek J, Thumm M.
Frequency-Based Investigation of Charge Neutralization Processes and Thermal Cavity Expansion in Gyrotrons. Journal of Infrared, Millimeter, and Terahertz Waves [Internet]. 2015;36:797-818.
Website Schmid M, Franck J, Kalaria P, Avramidis KA, Gantenbein G, Illy S, Jelonnek J, Pagonakis IG, Rzesnicki T, Thumm M.
Gyrotron development at KIT: FULGOR test facility and gyrotron concepts for DEMO. Fusion Engineering and Design [Internet]. 2015;96-97:589-592.
Website Zhang J, Illy S, Gr Pagonakis I, Avramidis KA, Thumm M, Jelonnek J.
Influence of emitter surface roughness on high power fusion gyrotron operation. Nuclear Fusion [Internet]. 2015;56.
Website Franck J, Avramidis KA, Pagonakis IG, Illy S, Gantenbein G, Thumm M, Jelonnek J.
Multi-frequency design of a 2 MW coaxial-cavity gyrotron for DEMO. In: IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves. ; 2015.
Website Rzesnicki T, Pagonakis IG, Samartsev A, Avramidis K, Gantenbein G, Illy S, Jelonnek J, Jin J, Lechte C, Losert M, et al. Recent experimental results of the European 1 MW, 170 GHz short-pulse gyrotron prototype for ITER. In: IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves. ; 2015.
Website Pagonakis IG, Albajar F, Alberti S, Avramidis K, Bonicelli T, Braunmueller F, Bruschi A, Chelis I, Cismondi F, Gantenbein G, et al. Status of the development of the EU 170 GHz/1 MW/CW gyrotron. Fusion Engineering and Design [Internet]. 2015;96-97:149-154.
Website 2013
Jelonnek J, Alberti S, Avramidis KA, Erckmann V, Gantenbein G, Hesch K, Hogge J-P, Illy S, Jin J, Kern S, et al. Development of advanced gyrotrons in europe. Fusion Science and Technology [Internet]. 2013;64:505-512.
Website Malygin A, Illy S, Pagonakis IG, Avramides K, Thumm M, Jelonnek J, Dandrea D, Ives RL, Munz C-D.
Analysis of mode competition in 10kW/28GHz gyrotron. In: 14th IEEE International Vacuum Electronics Conference, IVEC 2013 - Proceedings. ; 2013.
Website Malygin A, Illy S, Pagonakis IG, Piosczyk B, Kern S, Weggen J, Thumm M, Jelonnek J, Avramides KA, Ives RL, et al. Design and 3-D simulations of a 10-kW/28-GHz gyrotron with a segmented emitter based on controlled porosity-reservoir cathodes. IEEE Transactions on Plasma Science [Internet]. 2013;41:2717-2723.
Website Jelonnek J, Avramidis K, Franck J, Gantenbein G, Hesch K, Illy S, Jin J, Malygin A, Pagonakis I, Rzesnicki T, et al. KIT gyrotron development for future fusion applications. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2013.
Website Avramidis KA, Pagonakis IG, Ioannidis ZC, Tigelis IG.
Numerical investigations on the effects of electron beam misalignment on beam-wave interaction in a high-power coaxial gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2013.
Website Chelis IG, Avramidis KA, Vomvoridis JL.
Simulation of parasitic gyrotron interaction in beam tunnels. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. ; 2013.
Website 2009
Latsas GP, Tigelis IG, Vomvoridis JL, Avramides KA.
Beam-Wave Interaction in Corrugated Structures in the Small-Signal Regime. IEEE Transactions on Plasma Science [Internet]. 2009;37:2020-2030.
Website Alberti S, Ansermet J-P, Avramides KA, Fasel D, Hogge J-P, Kern S, Lievin C, Liu Y, MacOr A, Pagonakis I, et al. Design of a frequency-tunable gyrotron for DNP-enhanced NMR spectroscopy. In: 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. ; 2009.
Website Avramides KA, Pagonakis IG.
On the effect of the approximations used in gyrotron interaction calculations. In: 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. ; 2009.
Website Hogge J-P, Goodman TP, Alberti S, Albajar F, Avramides KA, Benin P, Bethuys S, Bin W, Bonicelli T, Bruschi A, et al. First experimental results from the European Union 2-MW coaxial cavity iter gyrotron prototype. Fusion Science and Technology [Internet]. 2009;55:204-212.
Website Kern S, Avramides KA.
Improving Gyrotron interaction calculations. In: 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. ; 2009.
Website 2008
Pagonakis IG, Hogge J-P, Alberti S, Avramides KA, Vomvoridis JL.
A new concept for the collection of an electron beam configured by an externally applied axial magnetic field. IEEE Transactions on Plasma Science [Internet]. 2008;36:469-480.
Website Kern S, Avramides KA, Beringer MH, Dumbrajs O, Liu Y-H.
Gyrotron mode competition calculations: Investigations on the choice of numerical parameters. In: 33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008. ; 2008.
Website Avramides KA, Dumbrajs O, Kern S, Pagonakis IG, Vomvoridis JL.
Mode selection for a 170 GHz, 1 MW gyrotron. In: 35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts. Vol. 32. ; 2008. pp. 1650-1653.
Website Pagonakis IG, Illy S, Silva M, Hogge J-P, Alberti S, Avramides KA, Piosczyk B, Albajar F, Bonicelli T.
Parameterization technique for the preliminary gun design of the EU 170GHz 1MW conventional cavity gyrotron for ITER. In: 33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008. ; 2008.
Website Alberti S, Albajar F, Avramides KA, Benin P, Bin W, Bonicelli T, Bruschi A, Cirant S, Droz E, Dumbrajs O, et al. Status of development of the 2MW, 170GHz coaxial-cavity gyrotron for ITER. In: 33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008. ; 2008.
Website