O. Dumbrajs

University of Latvia — LV

Physics and Astronomy · Physical Sciences

30h-index3.8kcitations323works0.02yr avg
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Research Topics

Gyrotron and Vacuum Electronics Research(211), Particle accelerators and beam dynamics(154), Microwave Engineering and Waveguides(80), Magnetic confinement fusion research(50), Particle Accelerators and Free-Electron Lasers(36)

Publications323 total

Mode Excitation in Gyrotrons With Triode-Type Electron Guns
IEEE Transactions on Electron Devices·2022· 4 cited
IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology·2022Open Access
IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology·2021· 29 citedOpen Access
IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology·2021· 2 citedOpen Access
IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology·2021Open Access
IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology·2021Open Access
Optimization of Gyrotron Resonator’s Dimensions
Journal of Telecommunications and Information Technology·2021Open Access
IEEE Transactions on Terahertz Science and Technology
IEEE Transactions on Terahertz Science and Technology·2021Open Access
Shadowing of the operating mode by sidebands in gyrotrons with diode-type electron guns
Physics of Plasmas·2021· 4 citedOpen Access
Some Advantages of the Gyrotrons with Width Emitters
2020
GYROCOMPU: Toolbox Designed for the Analysis of Gyrotron Resonators
IEEE Transactions on Plasma Science·2020· 14 cited
Zones of soft and hard self-excitation in gyrotrons: Generalized approach
Physics of Plasmas·2020· 10 cited
To the Theory of Gyrotrons with Wide Emitters
Journal of Infrared Millimeter and Terahertz Waves·2019· 4 cited
THE GYROTRON STARTUP SCENARIO IN THE SINGLE MODE TIME DEPENDENT APPROACH
Mathematical Modelling and Analysis·2019· 2 citedOpen Access
Functional Analysis Method for Nonlinear Theory of Gyrotrons
IEEE Transactions on Plasma Science·2019· 3 cited
High Cyclotron Harmonics Excitation in Multi-beam Terahertz Range Gyrotrons
2019· 1 cited
Third harmonic CW gyrotron with operating frequency 1.2 THz for a DNP /NMA spectroscopy
2019· 3 cited
Study of Mode Competition in the Third Harmonic Gyrotron with Inclusion of the Electron Velocity Spread and the Beam Width
2018· 1 cited
Gyrotron Operation in the ‘No-Start-Current’ Zone
2018
Possible gyrotron operation in the “no start current” zone caused by the axial dependence of the phase of the resonator field
Physics of Plasmas·2018· 2 cited
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Frequent Co-authors

B. Piosczyk(13), M. Thumm(11), Gregory S. Nusinovich(11), G. Dammertz(7), H. Zohm(6), S. Illy(5), J. Jin(5), A. Arnold(5), V. Igochine(5), E. Borie(4), M. Kuntze(4), J.-P. Hogge(4), M.Q. Tran(4), T. Idehara(4), G. Michel(3), S. Alberti(3), P. Benin(3), T. Bonicelli(3), S. Cirant(3), D. Fasel(3)