John Jelonnek

Research interests

Publications

• Stellaris: A high-field quasi-isodynamic stellarator for a prototypical fusion power plant

  Fusion Engineering and Design · 2025 · 10.1016/j.fusengdes.2025.114868

• Experimental Results of the Novel 1.5-MW-Class 140-GHz Continuous-Wave Gyrotron for the Wendelstein 7-X Stellarator

  IEEE Electron Device Letters · 2024 · 10.1109/led.2024.3484218

• Status and future development of Heating and Current Drive for the EU DEMO

  Fusion Engineering and Design · 2022 · 10.1016/j.fusengdes.2022.113159

• Rapid 3D microwave printing of continuous carbon fiber reinforced plastics

  CIRP Annals · 2020 · 10.1016/j.cirp.2020.04.057

• Load-dependent path planning method for 3D printing of continuous fiber reinforced plastics

  Composites Part A Applied Science and Manufacturing · 2020 · 10.1016/j.compositesa.2020.106181

• Path-designed 3D printing for topological optimized continuous carbon fibre reinforced composite structures

  Composites Part B Engineering · 2019 · 10.1016/j.compositesb.2019.107612

• 3D microwave printing temperature control of continuous carbon fiber reinforced composites

  Composites Science and Technology · 2019 · 10.1016/j.compscitech.2019.107939

• Electron-cyclotron-resonance heating in Wendelstein 7-X: A versatile heating and current-drive method and a tool for in-depth physics studies

  Plasma Physics and Controlled Fusion · 2018 · 10.1088/1361-6587/aaeab2

• Design considerations for future DEMO gyrotrons: A review on related gyrotron activities within EUROfusion

  Fusion Engineering and Design · 2017 · 10.1016/j.fusengdes.2017.01.047

• A new process control method for microwave curing of carbon fibre reinforced composites in aerospace applications

  Composites Part B Engineering · 2017 · 10.1016/j.compositesb.2017.04.009

• Electron trapping mechanisms in magnetron injection guns

  Physics of Plasmas · 2016 · 10.1063/1.4941705

• Status, Operation, and Extension of the ECRH System at ASDEX Upgrade

  Journal of Infrared Millimeter and Terahertz Waves · 2015 · 10.1007/s10762-015-0187-z

• First Operation of a Step-Frequency Tunable 1-MW Gyrotron With a Diamond Brewster Angle Output Window

  IEEE Transactions on Electron Devices · 2014 · 10.1109/ted.2013.2294739

• From Series Production of Gyrotrons for W7-X Toward EU-1 MW Gyrotrons for ITER

  IEEE Transactions on Plasma Science · 2014 · 10.1109/tps.2014.2301839

• Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X

  Nuclear Fusion · 2013 · 10.1088/0029-5515/53/12/126001

Current projects

No projects listed.