Gyrotrons for high-power terahertz science and technology at FIR UF

T Idehara, SP Sabchevski - Journal of Infrared, Millimeter, and Terahertz …, 2017 - Springer
In this review paper, we present the recent progress in the development of a series of
gyrotrons at the Research Center for Development of Far-Infrared Region, University of …

Microwave treatment in oil refining

A Porch, D Slocombe, J Beutler, P Edwards… - Applied Petrochemical …, 2012 - Springer
In this paper, we discuss the potential of using microwave techniques in the refinement of
heavy fraction of petroleums such as bunker oil. After discussing the fundamental issues …

Design of 95 GHz, 100 kW gyrotron for active denial system application

N Kumar, U Singh, A Kumar, AK Sinha - Vacuum, 2014 - Elsevier
The design work of 95 GHz, 100 kW gyrotron for Active Denial System (ADS) application is
reported in this manuscript. The mode selection is performed considering the various …

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 …

Selective suppression of electromagnetic modes in a rectangular waveguide by using distributed wall losses

CQ Jiao - Progress In Electromagnetics Research Letters, 2011 - jpier.org
An over-mode metal rectangular waveguide is widely used in the generation, propagation,
coupling, and transition of microwaves. When applied as the beam-wave interaction circuit …

RF behavior of a 35 GHz conventional cavity gyrotron using multimode analysis and PIC simulation

A Singh, PK Jain - Journal of Electromagnetic Waves and …, 2021 - Taylor & Francis
In this paper, the RF behavior of a 35 GHz, TE 04 mode cylindrical cavity gyrotron is
investigated using the nonlinear multimode theory and PIC code “CST Particle Studio”. A …

Design and 3-D particle-in-cell simulation of a 140 GHz spatial-harmonic magnetron

NN Esfahani, M Tayarani, K Schunemann - Progress in electromagnetics …, 2013 - jpier.org
Abstract Design and 3-D numerical simulation of a 140 GHz spatialharmonic magnetron
(SHM) are presented. The effect of geometrical parameters of the side resonators of the …

Towards the design of 100 kW, 95 GHz gyrotron for active denial system application

U Singh, N Kumar, A Kumar, V Yadav… - 2013 IEEE 14th …, 2013 - ieeexplore.ieee.org
The design work for 95 GHz, 100 kW gyrotron for Active Denial System (ADS) application is
presented. The mode selection is performed considering the various technical constraints …

Numerical design of 120 GHz, 1 MW gyrotron interaction cavity

N Kumar, U Singh, A Kumar, AK Sinha - Infrared Physics & Technology, 2011 - Elsevier
The design and the numerical simulation of the interaction cavity for 120GHz, 1MW gyrotron
is presented. The optimizations of the cavity parameters are carried out by using the Particle …

A reflected power isolator for a 10 kW, 28 GHz gyrotron

PP Woskov - 2013 IEEE MTT-S International Microwave …, 2013 - ieeexplore.ieee.org
An efficient reflected power isolator has been built for a 10 kW, 28 GHz gyrotron for
operation with a circularly polarized beam. It makes use of a one-dimensional copper grill …