Third-harmonic 1 THz large-orbit gyrotron with an improved quasi-regular cavity

YK Kalynov, IV Bandurkin, IV Osharin… - IEEE Electron Device …, 2023 - ieeexplore.ieee.org
A pulsed third-cyclotron-harmonic large-orbit gyrotron (LOG) operating with a radiation
power of 0.4 kW at a frequency of 1 THz was implemented in 2008 in the 80 kV/0.7 …

Small-signal theory of the gyro-BWO with the zigzag quasi-optical system

EM Novak, SV Samsonov… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We describe the small-signal theory of a backward-wave gyro-oscillator with a sectioned
quasi-optical system with the zigzag path of the operating wave beam. This theory explains …

Spurious fundamental-harmonic oscillations in the horn section of a high-harmonic gyrotron

YM Guznov, YK Kalynov, IV Osharin… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In the experiments with a 30 keV/0.7 A sub-terahertz (THz) large-orbit gyrotron operating at
the third cyclotron harmonic in the continuous-wave regime, it was found that the presence …

Frequency-tunable sub-terahertz gyrotron with external mirror: Design and simulations

IV Bandurkin, YK Kalynov, IV Osharin… - … on Electron Devices, 2023 - ieeexplore.ieee.org
In this article, we describe a concept of a sub-terahertz frequency-tunable gyrotron based on
a combination of a low-Q irregular cavity and a frequency-tunable external reflector …

Competition of oscillations at different cyclotron harmonics in the subterahertz large-orbit gyrotron

YK Kalynov, IV Osharin… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Recently, 30-keV/0.7-A continuous wave (CW) subterahertz large-orbit gyrotron was
experimentally realized. In this experiment, two different modes at different (second and …

Stable excitation of higher axial modes in the traveling-wave-tube regime in gyrotron cavities with additional loss elements

YK Kalynov, IV Osharin… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Weakness of the electron-wave coupling in compact low-power terahertz-frequency-range
gyrotrons due to relatively low electron beam currents and operation at high cyclotron …

Frequency-Tunable Gyrotron with External Reflections

IV Bandurkin, NA Bylinsky, VY Zaslavsky… - Radiophysics and …, 2023 - Springer
We describe the concept of a subterahertz gyrotron with frequency tuning, which is based on
the regime of a resonance backward-wave oscillator with a combination of an irregular low …

Powerful automodulation oscillations in a gyrotron with a complicated cavity

IV Osharin, RM Rozental… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this article, the possibility of obtaining an automodulation output signal in a powerful
(megawatt-level) gyrotron is investigated. Self-modulation of the output power can be …

Учредители: Национальный исследовательский Нижегородский государственный университет им. НИ Лобачевского, Федеральный исследовательский …

ОЛ СИРОТКИН, НА КОПЛЕВАЦКИЙ - ИЗВЕСТИЯ ВУЗОВ …, 2023 - elibrary.ru
Формулируются дифференциальные уравнения для плотностей вероятности фазовых
координат динамических систем с параметрическими флуктуациями в виде …

Forward-wave enhanced radiation in the terahertz electron cyclotron maser

ZC Gao, CH Du, FH Li, ZW Zhang, SQ Li… - Chinese Physics …, 2022 - iopscience.iop.org
Based on the principle of electron cyclotron maser (ECM), gyrotrons are among the most
promising devices to generate powerful coherent terahertz (THz) radiation and play a vital …