Novel and emerging applications of the gyrotrons worldwide: Current status and prospects

S Sabchevski, M Glyavin, S Mitsudo… - Journal of Infrared …, 2021 - Springer
This review paper is based on the invited talk presented by the same authors at the 8th
International Workshop on Far-Infrared Technologies (IW-FIRT 2021). It overviews some …

Thermal analysis of averaging times in radio-frequency exposure limits above 1 GHz

KR Foster, MC Ziskin, Q Balzano, A Hirata - IEEE Access, 2018 - ieeexplore.ieee.org
This paper considers the problem of choosing an appropriate “averaging time” in
radiofrequency (RF) exposure limits to protect against thermal hazards, focusing on the RF …

-Band Complex Permittivity Measurements at High Temperature Using Free-Space Methods

MS Hilario, BW Hoff, B Jawdat… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Free-space measurement techniques can be contactless and are able to accommodate
large, flat sheets of dielectric material, making them useful for characterization of …

GYROCOMPU: Toolbox designed for the analysis of gyrotron resonators

P Wang, X Chen, H Xiao, O Dumbrajs… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The key point of gyrotron design is the analysis of the radio frequency (RF) behavior in
gyrotron resonators. This article proposes a comprehensive, user-friendly and effective …

RF behavior of cylindrical cavity based 240 GHz, 1 MW gyrotron for future tokamak system

N Kumar, U Singh, A Bera, AK Sinha - Journal of Infrared, Millimeter, and …, 2017 - Springer
In this paper, we present the RF behavior of conventional cylindrical interaction cavity for
240 GHz, 1 MW gyrotron for futuristic plasma fusion reactors. Very high-order TE mode is …

95-GHz gyrotron with room temperature dc solenoid

M Pilossof, M Einat - IEEE Transactions on Electron Devices, 2018 - ieeexplore.ieee.org
An immediate turn-ON time 95-GHz long pulse gyrotron with water cooled dc copper
electromagnet is presented. The gyrotron operates at TE02 mode and second harmonic with …

170-GHz, 2-MW coaxial-cavity gyrotron design for plasma fusion system

N Kumar, U Singh, A Bera… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Multimegawatt RF power in millimeter waveband (30-300 GHz) is required in the
magnetically confined plasma fusion reactors. In this paper, the design of 170-GHz, 2-MW …

Inverse magnetron injection gun for megawatt power, sub-THz gyrotron

N Kumar, U Singh, V Gahlaut… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Inverse magnetron injection gun (IMIG) provides several advantages over simple MIG
especially in high-power, high-frequency gyrotron. Sub-millimeter (> 230 GHz), high-power …

Theoretical and experimental investigations on the coaxial gyrotron with two electron beams

S Liu, D Liu, Y Yan, S Yu, W Fu - 2015 40th International …, 2015 - ieeexplore.ieee.org
Theoretical and experimental investigations on the coaxial gyrotron with two electron beams
has been carried out. The output power is measured with a calorimeter. The operating …

Multimode time-dependent gyrotron equations for different time scales

O Dumbrajs, H Kalis - Physics of Plasmas, 2017 - pubs.aip.org
Development of gyrotrons requires careful understanding of different regimes of gyrotron
oscillations. For a long time, the gyrotron theory was developed assuming that the transit …