The gyrotrons as promising radiation sources for THz sensing and imaging

T Idehara, SP Sabchevski, M Glyavin, S Mitsudo - Applied Sciences, 2020 - mdpi.com
The gyrotrons are powerful sources of coherent radiation that can operate in both pulsed
and CW (continuous wave) regimes. Their recent advancement toward higher frequencies …

Progress in vircators towards high efficiency: Present state and future prospects

S Mumtaz, HS Uhm, EH Choi - Physics Reports, 2024 - Elsevier
Background: High-power microwave (HPM) sources remain of interest to research due to
their diverse range of applications The motivation of this research field is to increase the …

Single-pass high-efficiency terahertz free-electron laser

A Fisher, Y Park, M Lenz, A Ody, R Agustsson… - Nature …, 2022 - nature.com
The terahertz gap is a region of the electromagnetic spectrum where high average and peak
power radiation sources are scarce while at the same time scientific and industrial …

Development and applications of high—Frequency gyrotrons in FIR FU covering the sub-THz to THz range

T Idehara, SP Sabchevski - Journal of Infrared, Millimeter, and Terahertz …, 2012 - Springer
Powerful sources of coherent radiation in the sub-terahertz and in the terahertz frequency
range of the electromagnetic spectrum are necessary for a great and continuously …

Analysis of electromagnetic pulse effects under high-power microwave sources

SH Min, H Jung, O Kwon, M Sattorov, S Kim… - IEEE …, 2021 - ieeexplore.ieee.org
High-power microwave sources applied to a directed-energy weapon can lead to permanent
damage by radiating concentrated energy in a specific direction to disturb or overload …

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 …

Thermal modeling for the next generation of radiofrequency exposure limits: Commentary

KR Foster, MC Ziskin, Q Balzano - Health physics, 2017 - journals.lww.com
This commentary evaluates two sets of guidelines for human exposure to radiofrequency
(RF) energy, focusing on the frequency range above the “transition” frequency at 3–10 GHz …

The use of radio frequency in photocatalysis, progress made and the way forward

N Masunga, VS Vallabhapurapu, BB Mamba - Journal of Environmental …, 2023 - Elsevier
In the search for environmentally clean technology for the effective removal of organic
pollutants from water and a clean way of producing hydrogen from water, visible-light-driven …

Novel technologies for compact electron linear accelerators

SV Kutsaev - Instruments and Experimental Techniques, 2021 - Springer
This paper reviews new technologies that make it possible to implement such modern
principles of development and creation of applied linear electron accelerators as modularity …

The characteristics of the second and third virtual cathodes in an axial vircator for the generation of high-power microwaves

S Mumtaz, EH Choi - Electronics, 2022 - mdpi.com
A virtual cathode oscillator or vircator is a vacuum tube for producing high-power
microwaves (HPM). The efficiency of the vircator has been a difficult task for decades. The …