Long pulse and high duty operation of a W-band gyrotron traveling wave tube

G Liu, W Jiang, Y Yao, Y Wang, Y Cao… - IEEE Electron …, 2023 - ieeexplore.ieee.org
In this letter, we reported a gyrotron traveling wave tube (gyro-TWT) featured broadband and
high power at the University Electronic Science and Technology of China (UESTC), which …

Experiment and Power Capacity Investigation for a Ku-Band Continuous-Wave Gyro-TWT

W Jiang, C Lu, B Dai, L Guo, J Wang… - … on Electron Devices, 2022 - ieeexplore.ieee.org
In this article, the design and experiment of a high continuous-wave (CW) power Ku-band
gyrotron traveling-wave tube (gyro-TWT) are described. The hot experiment results indicate …

Experiment and Power Capacity Investigation of Collector in the 50-kW-Average-Power Q-Band Gyro-TWT

W Jiang, C Lu, B Han, G Liu, J Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
To further increase the average output power of the-band gyrotron traveling wave tube (gyro-
TWT), the power capacity and stability of the collector are investigated. In this article, the …

Electron transportation experiment and analysis for a G-band magnetron injection gun

W Jiang, B Dai, C Lu, J Wang, G Liu… - … on Electron Devices, 2022 - ieeexplore.ieee.org
The electron beam transportation profile is important for the gyro-traveling-wave tube (Gyro-
TWT), and a transportation prototype of Gyro-TWT has been developed. The symmetric …

Study of the frequency self-modulation in gyro-TWT based on two-band amplifiers

Y Yao, G Liu, W Jiang, W Wang, Y Cao… - … on Electron Devices, 2022 - ieeexplore.ieee.org
Periodical radiation spectrum with a frequency difference of~ 160 MHz is observed in hot-
test experiments of Ku-band gyrotron traveling-wave tubes (gyro-TWTs). By the means of …

Design and measurement of a mode-suppression circuit for a G-band gyrotron traveling wave tube

Y Cao, Y Ma, G Liu, Y Wang, W Jiang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In the hot test of our G-band (0.21–0.23 THz) TE 01-mode gyrotron traveling wave tube (gyro-
TWT), the beam current was increased from 3.0 to 3.9 A to obtain a higher gain and output …

Simulation and measurement of an interaction structure with distributed radiation coupling circuit for a high-power Ku-band gyro-TWT

Y Cao, G Liu, W Wang, X Quan, Y Wang… - … on Electron Devices, 2022 - ieeexplore.ieee.org
Design and measurement of a distributed radiation coupling (DRC) circuit for the Ku-band
TE11-mode gyrotron traveling wave tube (gyro-TWT) amplifier are presented. Different from …

Investigation of a multi-gap, high-voltage isolator for a gyro-TWT with depressed collector

C Lu, W Jiang, B Han, G Liu, J Wang… - … on Electron Devices, 2023 - ieeexplore.ieee.org
The depressed collector is an effective approach to further improve the overall efficiency of
high-frequency gyrotron traveling wave tubes (gyro-TWTs). In this article, a multi-gap output …

Design and Experiment of a Compact Magnetron Injection Gun for a Coil Magnet -Band Gyro-TWT

C Lu, W Jiang, Y Liu, G Liu, J Wang… - … on Electron Devices, 2023 - ieeexplore.ieee.org
To achieve miniaturization and quick startup of the system, an investigation is carried out on
a room-temperature coil magnet (CM) for the-band TE 11 mode continuous wave (CW) …

Mode distortion and performance degradation caused by electron-beam misalignment in W-band gyro-TWTs

Y Wang, G Liu, Y Cao, W Wang, W Jiang… - … on Electron Devices, 2023 - ieeexplore.ieee.org
Mode distortion and performance degradation caused by an OFF-axis gyrating electron
beam in our W-band gyrotron traveling wave tube (gyro-TWT) were studied by the particle-in …