Publications of S. Ponomarenko
All genres
Journal Article (8)
1.
Journal Article
64, 112002 (2024)
Overview of the first Wendelstein 7-X long pulse campaign with fully water-cooled plasma facing components. Nuclear Fusion 2.
Journal Article
52 (6), pp. 2045 - 2049 (2024)
Suppression of Parasitic Modes in a Cylindrical Gyrotron Beam Tunnel by a Wall Corrugation with Schroeder Diffuser Structures. IEEE Transactions on Plasma Science 3.
Journal Article
19, C03056 (2024)
Commissioning and first results of the 174 GHz CTS diagnostic at W7-X. Journal of Instrumentation 4.
Journal Article
45 (12), pp. 2550 - 2553 (2024)
Experimental Results of the Novel 1.5-MW-Class 140-GHz Continuous-Wave Gyrotron for the Wendelstein 7-X Stellarator. IEEE Electron Device Letters 5.
Journal Article
95, 013501 (2024)
Development of the 174 GHz collective Thomson scattering diagnostics at Wendelstein 7-X. Review of Scientific Instruments 6.
Journal Article
71 (6), pp. 3940 - 3944 (2024)
Radiation Output of the 330 GHz Continuous-Wave Clinotron Oscillator with Modified Cavity. IEEE Transactions on Electron Devices 7.
Journal Article
70 (10), pp. 5319 - 5326 (2023)
The Regime of the Efficiency Increase by Use of Long Circuits in the THz Cherenkov Oscillator. IEEE Transactions on Electron Devices 8.
Journal Article
70 (11), pp. 5921 - 5925 (2023)
Operational Characteristics of the 175-GHz Continuous-Wave Clinotron. IEEE Transactions on Electron Devices Conference Paper (3)
9.
Conference Paper
Progress of European Industrial Gyrotron Developments for Nuclear Fusion. In: 2023 24th International Vacuum Electronics Conference (IVEC). 24th International Vacuum Electronics Conference (IVEC), Chengdu, April 25, 2023 - April 28, 2023. IEEE, New York, NY (2023)
10.
Conference Paper
Current Instabilities in Vacuum Electron Devices and Semiconductor Avalanche Diodes for Generation of THz Oscillations. In: 2023 International Conference on Optical MEMS and Nanophotonics (OMN) and SBFoton International Optics and Photonics Conference (SBFoton IOPC). International Conference on Optical MEMS and Nanophotonics (OMN) / SBFoton International Optics and Photonics Conference (SBFoton IOPC), Campinas, July 31, 2023 - August 03, 2023. IEEE, New York, NY (2023)
11.
Conference Paper
Sub-THz CW Clinotron Cavity Design. In: 2023 24th International Vacuum Electronics Conference (IVEC). 24th International Vacuum Electronics Conference (IVEC), Chengdu, April 25, 2023 - April 28, 2023. IEEE, New York, NY (2023)
Talk (8)
12.
Talk
Results of Frequency Stabilization of a MW-Class Gyrotron at W7-X for the CTS Diagnostic during OP 2.1. 22nd Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-22), Daejeon (submitted)
13.
Talk
THALES TH1507U 140 GHz 1.5 MW CW Industrial Gyrotron for W7-X ECRH System Upgrade. Combined 25th Annual IEEE International Vacuum Electronics Conference + 15th Annual International Vacuum Electron Sources Conference (IVEC + IVESC 2024), Monterey, CA (submitted)
14.
Talk
Operational Characteristics of the 330 GHz Continuous-Wave Clinotron with Modified Cavity. Combined 25th Annual IEEE International Vacuum Electronics Conference + 15th Annual International Vacuum Electron Sources Conference (IVEC + IVESC 2024), Monterey, CA (2024)
15.
Talk
Progress of European Industrial Gyrotron Developments for Nuclear Fusion. 24th International Vacuum Electronics Conference (IVEC), Chengdu (2023)
16.
Talk
Commissioning and first results of the 174 GHz CTS diagnostic at W7-X. 20th International Symposium on Laser-Aided Plasma Diagnostics 2023 (LAPD20), Kyoto (submitted)
17.
Talk
Development and Commissioning of Upgraded Microwave Radiometer for CTS Diagnostics at W7-X Stellarator. 5th European Conference on Plasma Diagnostics (ECPD 2023), Rethymno (submitted)
18.
Talk
Sub-THz CW Clinotron Cavity Design. 24th International Vacuum Electronics Conference (IVEC), Chengdu (2023)
19.
Talk
Radiation Pattern Measurements of Corrugated Horn Antenna with 175 GHz Clinotron. 2022 IEEE 2nd Ukrainian Microwave Week (IEEE UkrMW 2022), Kharkiv (submitted)
Poster (2)
20.
Poster
Breaking Symmetry in Gyrotrons by Schroeder Diffusor Structures. 22nd Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH) (EC-22), Daejeon (submitted)