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Numerical Investigation on Spent Beam Deceleration Schemes for Depressed Collector of a High-Power Gyrotron

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Selectivity Properties of Coaxial Gyrotron Cavities With Mode Converting Corrugations

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IEEE Transactions on Electron Devices 63 (3) 1299 (2016)
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Systematic cavity design approach for a multi-frequency gyrotron for DEMO and study of its RF behavior

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Physics of Plasmas 23 (9) 092503 (2016)
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Influence of emitter surface roughness on high power fusion gyrotron operation

Jianghua Zhang, Stefan Illy, Ioannis Gr Pagonakis, Konstantinos A Avramidis, Manfred Thumm and John Jelonnek
Nuclear Fusion 56 (2) 026002 (2016)
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J.-P. Hogge, F. Albajar, S. Alberti, K. Avramidis, W. Bin, T. Bonicelli, F. Braunmueller, A. Bruschi, J. Chelis, P.-E. Frigot, G. Gantenbein, V. Hermann, S. Illy, Z. C. Ioannidis, J. Jelonnek, J. Jin, W. Kasparek, T. Kobarg, G. P. Latsas, C. Lechte, M. Lontano, M. Losert, I. G. Pagonakis, Y. Rozier, T. Rzesnicki, et al.
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TWANG-PIC, a novel gyro-averaged one-dimensional particle-in-cell code for interpretation of gyrotron experiments

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Physics of Plasmas 22 (6) 063115 (2015)
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A comparative study on the modeling of dynamic after-cavity interaction in gyrotrons

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Physics of Plasmas 22 (5) 053106 (2015)
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Frequency-Based Investigation of Charge Neutralization Processes and Thermal Cavity Expansion in Gyrotrons

Andreas Schlaich, Chuanren Wu, Ioannis Pagonakis, et al.
Journal of Infrared, Millimeter, and Terahertz Waves 36 (9) 797 (2015)
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Investigations and advanced concepts on gyrotron interaction modeling and simulations

K. A. Avramidis
Physics of Plasmas 22 (12) 123114 (2015)
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An Improved Broadband Boundary Condition for the RF Field in Gyrotron Interaction Modeling

Chuanren Wu, Konstantinos A. Avramidis, Manfred Thumm and John Jelonnek
IEEE Transactions on Microwave Theory and Techniques 63 (8) 2459 (2015)
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A Numerical Study on Finite-Bandwidth Resonances of High-Order Axial Modes (HOAM) in a Gyrotron Cavity

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Journal of Infrared, Millimeter, and Terahertz Waves 36 (7) 628 (2015)
https://doi.org/10.1007/s10762-015-0161-9

Efficient Frequency Step-Tunable Megawatt-Class $D$ -Band Gyrotron

Andrey Samartsev, Konstantinos A. Avramidis, Gerd Gantenbein, et al.
IEEE Transactions on Electron Devices 62 (7) 2327 (2015)
https://doi.org/10.1109/TED.2015.2433016

Generalized Radiation Boundary Conditions in Gyrotron Oscillator Modeling

S. Alberti, T. M. Tran, S. Brunner, et al.
Journal of Infrared, Millimeter, and Terahertz Waves 36 (11) 1043 (2015)
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Design and 3-D Simulations of a 10-kW/28-GHz Gyrotron With a Segmented Emitter Based on Controlled Porosity-Reservoir Cathodes

Anton Malygin, Stefan Illy, Ioannis Gr. Pagonakis, et al.
IEEE Transactions on Plasma Science 41 (10) 2717 (2013)
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Efficient Parallelization of a Three-Dimensional High-Order Particle-in-Cell Method for the Simulation of a 170 GHz Gyrotron Resonator

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IEEE Transactions on Plasma Science 41 (1) 87 (2013)
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Experimental study from linear to chaotic regimes on a terahertz-frequency gyrotron oscillator

S. Alberti, J.-Ph. Ansermet, K. A. Avramides, et al.
Physics of Plasmas 19 (12) 123102 (2012)
https://doi.org/10.1063/1.4769033