A review on the sub-THz/THz gyrotrons

N Kumar, U Singh, A Bera, AK Sinha - Infrared Physics & Technology, 2016 - Elsevier
A review on the sub-THz/THz gyrotrons is performed in this manuscript. The present
development status of gyrotrons can be divided into three streams for the sake of better …

Design of 42 GHz gyrotron for Indian fusion tokamak system

U Singh, N Kumar, H Khatun, N Kumar, V Yadav… - Fusion Engineering and …, 2013 - Elsevier
In this paper, the complete design of a 42 GHz, 200 kW gyrotron at first harmonic operation
for Indian tokamak system is presented. The gyrotron is designed for TE 0, 3 operating …

Numerical design and optimization of a curved collector for a Q-band gyro-traveling wave tube

W Jiang, Y Luo, R Yan - IEEE Transactions on Electron …, 2013 - ieeexplore.ieee.org
Procedures to design a curved collector for a Q-band gyrotron traveling wave tube (gyro-
TWT) are presented in this paper. The collector of the gyro-TWT is identified as a crucial part …

Design and Analysis of 25 kW (CW) Millimeter Wave Source with External Waveguide Mode Converters for Advance Material Heating/Processing

N Kumar, H Khatun, A Mishra… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
The design of millimeter wave source of 28 GHz frequency with 25 kW RF output power is
discussed here. Also the design of waveguide mode converters (rippled wall, serpentine …

Development of 42-GHz, 200-kW gyrotron for Indian tokamak system tested in the regime of short pulselength

A Bera, NK Singh, N Kumar, D Rathi… - … on Plasma Science, 2019 - ieeexplore.ieee.org
A 42-GHz, 200-kW gyrotron was developed and tested for the Indian plasma fusion system.
The gyrotron was designed for the TE 0, 3 operating mode. The configuration of the triode …

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 …

Design of single-stage depressed collector for 42 GHz, 200 kW gyrotron

H Khatun, R Bhattacharya, S Sharan, K Singhal… - Vacuum, 2012 - Elsevier
A single stage depressed collector has been designed to dissipate the spent electron
energy of 45 keV. This results in an increase of overall efficiency of 42 GHz, 200 kW gyrotron …

Design of curved collector for Q band gyro-TWT

W Jiang, Y Luo, R Yan - 2015 IEEE International Vacuum …, 2015 - ieeexplore.ieee.org
A curved collector for a Q-band gyrotron travelling wave tube (Gyro-TWT) is presented in this
paper. The power capacity of the conventional cylindrical collector is seriously limited due to …

Development of cooling system for gyrotron collector

UK Goswami, U Singh, N Kumar, NK Sahu… - Journal of fusion …, 2013 - Springer
In this paper, the development of cooling system for 42 GHz, 200 kW gyrotron collector is
presented. The design of the cooling duct has been finalized after different analyses such …

[HTML][HTML] 兆瓦级回旋管单级降压收集极横向磁扫描系统的仿真

王恺, 薛谦忠, 张珊, 赵鼎, 张连正 - 红外与毫米波学报, 2019 - journal.sitp.ac.cn
The simulation of transverse field sweeping system (TFSS) for a 170 GHz, MW-class
gyrotron with single-stage depressed collector (SDC) is presented in this paper. The …