My (Contributed) Publications
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2024 A. Bruschi et al. , Conceptual design of a modular EC heating system for EU-DEMO Nuclear Fusion , 2024 , Oct , 64 (10 ), p. 106003 P. Spaeh et al. , Design progress of structural components of the EU DEMO EC equatorial launcher IEEE Transactions on Plasma Science , 2024 , Sep , 52 (9 ), pp. 3580–3585 R. Coosemans et al. , Application of the Fenix flight simulator to TCV 50th EPS Conference on Plasma Physics , 2024 B. Ell et al. , Fabrication and assembly of the gyrotron multi-stage depressed collector prototype at KIT 22nd Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC22) , 2024 , 313 , p. 04006 E. Poli et al. , ECCD studies for EU-DEMO plasmas 22nd Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC22) , 2024 , 313 , p. 01005 M. Vöhringer et al. , Tolerance investigation on a helically corrugated interaction circuit of a gyro-TWA 51st IEEE International Conference on Plasma Science (ICOPS) and the 4th Asia-Pacific Conference on Plasma and Terahertz Science (APCOPTS 2024) , 2024 2023 M. Vöhringer et al. , Universal CUSP-type electron gun for helical gyro-TWTs for DNP-NMR applications 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2023 , Sep , pp. 1–2 C. Wu et al. , Architecture design and internal implementation of a universal coupling between controllers and physics in a tokamak flight simulator Fusion Science and Technology , 2023 , Aug , pp. 1–6 E. Fable et al. , A practical protocol to emulate a reactor scenario on present machines, with application to the ASDEX Upgrade tokamak via predictive modeling Nuclear Fusion , 2023 , Jul , 63 (7 ), p. 074001 S. Illy et al. , European gyrotron development for advanced operation regimes in nuclear fusion experiments and in DEMO 30th IEEE Symposium o Fusion Engineering (SOFE 2023) , 2023 , Jul R. Coosemans et al. , Analysis of the ramp-down phase using the Fenix flight simulator 49th European Conference on Plasma Physics , 2023 , Jul J. Jelonnek et al. , Advanced developments for gyrotrons considering designs, tools and test facilities at KIT 24th International Vacuum Electronics Conference (IVEC) , 2023 , Apr , pp. 1–2 , 978-1-66547-321-7 L. Feuerstein et al. , Design of a second harmonic MW-level coaxial gyrotron cavity 24th International Vacuum Electronics Conference (IVEC) , 2023 , Apr , pp. 1–2 , 978-1-66547-321-7 B. Ell et al. , Toward the first continuous wave compatible multistage depressed collector design for high power gyrotrons IEEE Transactions on Electron Devices , 2023 , Mar , 70 (3 ), pp. 1299–1305 B. Ell et al. , Novel high-frequency electric field sweeping concept for high-power gyrotron collectors IEEE Transactions on Electron Devices , 2023 , Mar , 70 (3 ), pp. 1312–1317 L. di Grazia et al. , Development of magnetic control for the EU-DEMO flight simulator and application to transient phenomena Fusion Engineering and Design , 2023 , 191 , p. 113579 S. Illy et al. , Progress in the design of megawatt-class fusion gyrotrons operating at the second harmonic of the cyclotron frequency 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2023 , pp. 1–2 2022 M. Siccinio et al. , Kinetic and magnetic control of fusion power fluctuations in EU-DEMO 64th annual meeting of the APS division of plasma physics , 2022 , Oct F. Domenico et al. , Development of magnetic control for the EU-DEMO flight simulator and application to transient phenomena 32nd symposium on fusion technology , 2022 , Sep G. Suárez López et al. , The performance of EU-DEMO under different wave heating mixes: A look into the physics and technology of ECRH and ICRH scenarios 24th topical conference on radio-frequency power in plasmas , 2022 , Sep S. Illy et al. , Sounding the possibilities of megawatt-class fusion gyrotrons operating at the second harmonic of the cyclotron frequency 32nd symposium on fusion technology , 2022 , Sep , p. 1 A. Marek et al. , New type of pulsed high-power sub-THz source based on helical-type gyro-TWTs Proc. 47th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2022 , Aug , pp. 1–4 , 978-1-72819-427-1 M. Vöhringer et al. , Development of a CUSP-type electron gun for a W-band helical gyro-TWT Proc. 47th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2022 , Aug , pp. 1–2 , 978-1-72819-427-1 B. Ell et al. , Progress in the short-pulse E×B drift two-stage depressed collector prototype for gyrotrons 21th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) , 2022 , Jun , pp. 35–36 M. Tran et al. , Status and future development of heating and current drive for the EU DEMO Fusion Engineering and Design , 2022 , May , 180 , p. 113159 L. Feuerstein et al. , Validation of a new fast-time scale code for advanced simulations of gyrotron cavities Proc. German Microwave Conf. (GeMiC) , 2022 , May , pp. 144–147 A. Marek et al. , New type of sub-THz frequency-doubling gyro-TWT with helically corrugated circuit IEEE Electron Device Letters , 2022 , pp. 1–4 A. Marek et al. , Time-domain simulation of helical gyro-TWTs with coupled modes method and 3-D particle beam IEEE Transactions on Electron Devices , 2022 , pp. 1–7 2021 E. Fable et al. , The modeling of a tokamak plasma discharge, from first principles to a flight simulator Plasma Physics and Controlled Fusion , 2021 , Dec B. Ell et al. , Progress in the fabrication of the short pulse E×B drift two-stage depressed collector prototype 33rd Joint Russian-German Workshop on ECRH and Gyrotrons , 2021 , Nov A. Marek et al. , About the simulation of helical gyro-TWTs 33rd Joint Russian-German Workshop on ECRH and Gyrotrons , 2021 , Nov C. Wu et al. , Basic design considerations for a frequency step-tunable electron cyclotron wave system to suppress NTMs in DEMO Fusion Engineering and Design , 2021 , Nov , 173 , p. 112931 T. Franke et al. , Integration concept of an electron cyclotron system in DEMO Fusion Engineering and Design , 2021 , Jul , 168 , p. 112653 B. Ell et al. , Mechanical design of the short pulse E×B drift two-stage depressed collector prototype for high power gyrotron Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2021 , Apr , pp. 1–2 2020 B. Ell et al. , Mechanical design study for gyrotron E×B drift two‑stage depressed collector Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2020 , Oct , pp. 1–2 C. Wu et al. , Two-dimensional leapfrog scheme for trajectories of relativistic charged particles in static axisymmetric electric and magnetic field Journal of Computational Physics: X , 2020 , Sep , 8c (100079 ), open access C. Wu et al. , Basic design considerations for a frequency-tunable ECRH&CD system to suppress NTMs in DEMO 31st symposium on fusion technology , 2020 , Sep , invited talk 2019 B. Ell et al. , Coaxial multistage depressed collector design for high power gyrotrons based on E×B concept Physics of Plasmas , 2019 , Nov , 26 (11 ), p. 113107 G. Gantenbein et al. , High-power gyrotron development for fusion applications at KIT Workshop on RF Heating Technology of Fusion Plasmas, Freiburg , 2019 , Sep C. Wu et al. , Frequency step-tunable ECRH&CD from mid-plane port plug for the NTM stabilization in DEMO Workshop on RF Heating Technology of Fusion Plasmas, Freiburg , 2019 , Sep G. Gantenbein et al. , New trends of gyrotron development at KIT: An overview on recent investigations Fusion Engineering and Design , 2019 , Sep , 146 , pp. 341–344 K. Avramidis et al. , DEMO-relevant gyrotron research at KIT Proc. 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2019 , Sep , pp. 1–2 I. Pagonakis et al. , Numerical investigation of the influence of reflected collector electron current on gyrotron operation Workshop on RF Heating Technology of Fusion Plasmas, Freiburg , 2019 , Sep J. Jelonnek et al. , 2019 status and focus areas in the developmentof an advanced gyrotron for EU DEMO Workshop on RF Heating Technology of Fusion Plasmas, Freiburg , 2019 , Sep B. Ell et al. , Multistage depressed collectors for gyrotrons with azimuthal electric field Workshop on RF Heating Technology of Fusion Plasmas, Freiburg , 2019 , Sep C. Wu , Conceptual Studies of Multistage Depressed Collectors for Gyrotrons Karlsruher Forschungsberichte aus dem Institut für Hochleistungsimpuls- und Mikrowellentechnik , 2019 , Aug , 978-3-7315-0934-9 C. Wu et al. , Preliminary studies and ideas of frequency step-tunable ECRH & CD for DEMO 31st Joint Russian-German Workshop on ECRH and Gyrotrons , 2019 , Jun C. Wu et al. , Two-dimensional particle trajectory integration in axisymmetric static electric and magnetic field for electron gun and collector simulations 31st Joint Russian-German Workshop on ECRH and Gyrotrons , 2019 , Jun B. Ell et al. , Towards the realization of a multistage depressed collector based on E×B drift 31st Joint Russian-German Workshop on ECRH and Gyrotrons , 2019 , Jun I. Pagonakis et al. , A theoretical study on the influence of the reflected current at the collector entrance on the gyrotron operation 31st Joint Russian-German Workshop on ECRH and Gyrotrons , 2019 , Jun K. Avramidis et al. , Overview of recent gyrotron R&D towards DEMO within EUROfusion Work Package Heating and Current Drive Nuclear Fusion , 2019 , Apr , 59 (6 ), p. 066014 J. Jelonnek et al. , From W7-X towards ITER and beyond: 2019 status on EU fusion gyrotron developments Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2019 , Apr B. Ell et al. , Multistage depressed collector design studies for high power gyrotrons based on the E×B drift concept The 7th International Workshop on Far-Infrared Technologies (IW-FIRST) , 2019 , Mar G. Gantenbein et al. , Overview of KIT activities on high power, high frequency gyrotron development and the role of the new FULGOR teststand at KIT The 7th International Workshop on Far-Infrared Technologies (IW-FIRST) , 2019 , Mar C. Wu et al. , Gyrotron multistage depressed collector based on E×B drift concept using azimuthal electric field. II: Upgraded designs Physics of Plasmas , 2019 , Jan , 26 (1 ), p. 013108 2018 S. Garavaglia et al. , EU DEMO EC system preliminary conceptual design Fusion Engineering and Design , 2018 , Nov , 136 , pp. 1173–1177 I. Pagonakis et al. , Progress in the development of a multistage depressed collector system for high power gyrotrons Proc. 43th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2018 , Sep , pp. 1–2 B. Ell et al. , Multistage collector design based on E×B drift concept for gyrotron 6th ITG International Vacuum Electronics Workshop , 2018 , Sep C. Wu et al. , Status of the gyrotron multistage depressed collector development at Karlsruhe Institute of Technology 6th ITG International Vacuum Electronics Workshop , 2018 , Sep K. Avramidis et al. , Overview of recent gyrotron R&D at KIT in view of the EU DEMO Proc. 43th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2018 , Sep , pp. 1–2 J. Jelonnek et al. , 2018 status on KIT gyrotron activities 30th Joint Russian-German Meeting on ECRH and Gyrotrons , 2018 , Jun , 187 , p. 01009 B. Ell et al. , Conceptual design and simulation of a gyrotron multistage depressed collector based on E×B drift 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) , 2018 , May , p. 66 J. Jelonnek et al. , Towards advanced fusion gyrotrons: 2018 update on activities within EUROfusion 20th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) , 2018 , May , 203 , p. 04007 C. Wu et al. , Gyrotron multistage depressed collector based on E×B drift concept using azimuthal electric field. I. Basic design Physics of Plasmas , 2018 , Mar , 25 (3 ), p. 033108 M. Thumm et al. , Design studies and analysis of operational limits of 0.24-THz gyrotrons for DEMO Terahertz Science and Technology , 2018 , 11 (1 ), p. 20 2017 C. Wu et al. , Design of E×B multistage depressed collector concepts for high-power fusion gyrotrons Proc. 42th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2017 , Sep , pp. 1–2 J. Jelonnek et al. , Developments of fusion gyrotrons for W7-X ITER and EU DEMO: ongoing activities and future plans of KIT Proc. 42th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2017 , Sep I. Pagonakis et al. , Overview of recent theoretical studies on E×B multistage depressed collector designs for gyrotrons Proc. 42th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2017 , Sep J. Jelonnek et al. , Design considerations for future DEMO gyrotrons : a review on related gyrotron activities within EUROfusion Fusion engineering and design , 2017 , Sep , 123 , pp. 241–246 C. Wu et al. , Conceptual design and tolerance studies of a multistage depressed collector for gyrotron based on E×B drift US/EU/JPN Workshop on RF Heating Technology and 2017 US/JPN Workshop on RF Physics, Santa Monica, CA , 2017 , Sep G. Granucci et al. , Conceptual design of the EU DEMO EC-system: main developments and R&D achievements Nuclear Fusion , 2017 , Aug , 57 , p. 116009 J. Jelonnek et al. , European research activities towards a future DEMO gyrotron EPJ Web of Conferences , 2017 , Jul , 149 , p. 04007 C. Wu et al. , Comparison between controlled non-adiabatic and E×B concepts for gyrotron multistage depressed collectors EPJ Web of Conferences , 2017 , Jul , 149 , p. 04005 C. Wu et al. , Various gyrotron multistage depressed collector concepts based on E×B drift 29th Joint Russian-German Workshop on ECRH and Gyrotrons , 2017 , May J. Jelonnek et al. , Heading from W7-X gyrotrons towards gyrotrons for DEMO: research strategy and recent developments at KIT IEEE International Conference on Plasma Science (ICOPS) , 2017 , May , pp. 1–1 C. Wu et al. , Novel multistage depressed collector for high power fusion gyrotrons based on an E×B drift concept Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2017 , Apr , pp. 1–2 M. Balk et al. , 2nd harmonic gyrotron simulation with CST STUDIO SUITE Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2017 , Apr , pp. 1–2 C. Wu et al. , Conceptual designs of E×B multistage depressed collectors for gyrotrons Physics of Plasmas , 2017 , Mar , 24 (4 ), p. 043102 G. Gantenbein et al. , Recent Trends in Fusion Gyrotron Development at KIT EPJ Web of Conferences , 2017 , 157 , p. 03017 2016 G. Gantenbein et al. , Recent trends in fusion gyrotron development at KIT Workshop on RF Heating Technology of Fusion Plasmas, Leinsweiler , 2016 , Sep C. Wu et al. , Simulation of gyrotron multistage depressed collectors using beam-shape transformation and E×B drift 5th ITG International Vacuum Electronics Workshop , 2016 , Sep C. Wu et al. , Study of the novel ideas for multistage depressed collector for gyrotrons Workshop on RF Heating Technology of Fusion Plasmas, Leinsweiler , 2016 , Sep C. Wu et al. , 3D simulation of a realistic multistage depressed collector for high-power fusion gyrotrons Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2016 , Apr , pp. 1–2 I. Pagonakis et al. , Multistage depressed collector design approach for gyrotron Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2016 , Apr , pp. 1–2 I. Pagonakis et al. , Multistage depressed collector conceptual design for thin magnetically confined electron beams Physics of Plasmas , 2016 , Apr , 23 (4 ), p. 043114 C. Wu et al. , Preliminary studies on multistage depressed collectors for fusion gyrotrons Proc. German Microwave Conf. (GeMiC) , 2016 , Mar , pp. 365–368 2015 A. Schlaich et al. , Frequency-based investigation of charge neutralization processes and thermal cavity expansion in gyrotrons Journal of Infrared, Millimeter, and Terahertz Waves , 2015 , Sep , 36 (9 ), pp. 797–818 M. Thumm et al. , Towards a 0.24-THz, 1-to-2-MW-class gyrotron for DEMO International Journal of Terahertz Science and Technology , 2015 , Sep , 8 (3 ), pp. 85–100 C. Wu et al. , Progress on conceptual studies for multistage depressed collector 27th Joint Russian-German Workshop on ECRH and Gyrotrons , 2015 , Jul C. Wu et al. , An improved broadband boundary condition for the RF field in gyrotron interaction modeling IEEE Transactions on Microwave Theory and Techniques , 2015 , Jun , 63 (8 ), pp. 2459–2467 J. Jelonnek et al. , From W7-X towards ITER and beyond: status and progress in EU fusion gyrotron developments Proc. IEEE Int. Vacuum Electronics Conf. (IVEC) , 2015 , Apr , pp. 1–2 2014 J. Jelonnek et al. , Development of advanced gyrotrons Proc. 39th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) , 2014 , Sep , pp. 1–3 C. Wu et al. , Initial steps towards multi-stage collectors for gyrotrons 4th ITG International Vacuum Electronics Workshop , 2014 , Sep K. Avramidis et al. , Studies on boundary conditions for gyrotron interaction modeling Proc. IEEE 41st Int. Conf. Plasma Sciences (ICOPS) held with IEEE Int. Conf. High-Power Particle Beams (BEAMS) , 2014 , May , p. 1 A. Schlaich et al. , Separation of thermal expansion and beam charge neutralization effects in high power 140 GHz CW gyrotrons Proc. IEEE 41st Int. Conf. Plasma Sciences (ICOPS) held with IEEE Int. Conf. High-Power Particle Beams (BEAMS) , 2014 , May , p. 1 M. Jalilvand et al. , On the evaluation of a proposed bowtie antenna for microwave tomography Proc. 8th European Conf. Antennas and Propagation (EuCAP 2014) , 2014 , Apr , pp. 2790–2794 M. Jalilvand et al. , Quantitative imaging of numerically realistic human head model using microwave tomography Electronics Letters , 2014 , Feb , 50 (4 ), pp. 255–256 C. Wu , Investigations on Improving Broadband Boundary Conditions in Gyrotron Interaction Modelling 2014 , Feb 2013
