High average power test of a W-band broadband gyrotron traveling wave tube

G Liu, W Jiang, Y Yao, Y Wang, W Wang… - IEEE Electron …, 2022 - ieeexplore.ieee.org
Recent hot test details and inspiring results of the W-band lossy-dielectric-loaded gyrotron
traveling-wave tube (gyro-TWT) developed at the University Electronic Science and …

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 …

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 …

Performance Degradation Caused by Ionization of the Released Gas Molecules in W-Band Gyrotron Traveling Wave Tube Based on a Simplified Ionization Model

Y Wang, G Liu, W Jiang, Y Yao, J Wang… - Journal of Infrared …, 2024 - Springer
Abstract Analysis of the performance degradation for W-band lossy ceramic-loaded gyrotron
traveling wave tubes (gyro-TWTs) caused by ionization of the released gas molecules is …

Theory and measurement of the single and hybrid-mode excitation and evolution in a lossy-dielectric-loaded waveguide

W Wang, G Liu, Y Cao, B Chen, Y Yao… - Journal of …, 2023 - Taylor & Francis
This paper investigates the mode excited, evolved, and propagating properties of the lossy
dielectric-loaded waveguide (DLW) used in a Ku-band TE11-mode gyrotron traveling wave …

Observation of Low-Frequency Oscillations in W-Band Gyro-TWTs Caused by Weak and Strong Plasma

G Liu, Y Wang, W Jiang, J Wang… - 2022 23rd International …, 2022 - ieeexplore.ieee.org
Observation of the low-frequency oscillations (LFOs) in our designed W-band lossy-circuit
loaded gyrotron travelling wave tubes (gyro-TWTs) caused by residual gas ionization is …