Millimeter-wave TE01–TE11–HE11 mode converter using overmoded circular waveguide

A Patel, R Goswami, A Vala, K Mahant… - Journal of …, 2018 - Taylor & Francis
The paper presents overmoded circular waveguide mode converters (TE01 into HE11 with
TE11 as an intermediate mode) used in a 42±0.2 GHz, 200 kW gyrotron transmission line …

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 …

A modified sintering method to prepare phase pure AlN ceramics: Structural and dielectric studies for microwave applications

E Radhika, T Samuel, P Dobbidi - Ceramics International, 2022 - Elsevier
Aluminium nitride (AlN) requires a very high temperature> 1900° C in a specific environment
(in the presence of nitrogen) to be densified. Many researchers have used different …

Design of 132 GHz gyrotron with 3 GHz tunability for 200 MHz DNP/NMR spectrometer

N Kumar, U Singh, AK Sinha - Infrared Physics & Technology, 2015 - Elsevier
A complete design of 132 GHz gyrotron for 200 MHz DNP–NMR spectroscopy application is
presented in this article. The design is performed considering a frequency tunability range of …

High power millimeter-wave TE03 to TM11 mode converters

A Patel, R Goswami, K Mahant, P Bhatt… - … Journal of Electronics, 2019 - Taylor & Francis
Transmission of power from 42±0.2 GHz gyrotron (TE03 mode) to tokamak or dummy load
requires a set of transmission line components. It includes a set of mode converters that …

[图书][B] Electron Gun for Gyrotrons

U Singh, AK Sinha - 2022 - Springer
Energy crisis is a major problem at present and will remain so in the future. A continuous
effort is ongoing in the microwave community/microwave devices globally, to enhance the …

Three-dimensional electromagnetic characteristic of overmoded coupling pattern for the cut-off extended interaction field in THz sheet beam resonant system

L Bi, L Meng, J Gong, R Peng, Z Chang… - Journal of Physics D …, 2020 - iopscience.iop.org
The concept of overmoded coupling pattern for matching with the cut-off resonant condition
in a THz sheet beam resonant system is proposed to build up super double-overmoded …

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 …

Development of the full package of gyrotron simulation code

A Sawant, EM Choi - Journal of the Korean Physical Society, 2018 - Springer
A complete code-package for gyrotron simulation to analyze its performance is under
development in UNIST, Korea. We first time report the present status of the code-package …

RF behavior of a coaxial interaction structure for 0.24-THz, 2-MW gyrotron

N Kumar, A Bera - IEEE Transactions on Electron Devices, 2020 - ieeexplore.ieee.org
The coaxial interaction structure for a 0.24-THz, 2-MW gyrotron is designed, and its RF
behavior is analyzed for the beam current of 60 A and the beam voltage of 90 kV. The …