Broadband High-Power Millimeter-Wave and Terahertz Devices

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 751

Special Issue Editors


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Guest Editor
School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: microwave/millimeter wave/terahertz wave antenna theory and technology; microwave/millimeter wave quasi-optical transmission and emission technology; high-power millimeter wave system and application

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Guest Editor
School of Information Science and Engineering, Southeast University, Nanjing 210096, China
Interests: engaged in the theory and technology of broadband, high-gain, reconfigurable, circularly polarized antennas for applications such as 5G and other next-generation wireless communications, satellite communications, millimeter-wave terminals, electromagnetic functional surfaces, and compact field testing systems
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Guest Editor
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410072, China
Interests: engaged in the theory and technology of pulsed power devices and its applications on high-power microwave/millimeter wave sources; insulations and high voltage pulse generation

Special Issue Information

Dear Colleagues,

Broadband high-power millimeter-wave and terahertz (THz) technologies have found extensive applications across various fields, including deep-space and specialized satellite communications, high-resolution Doppler radar, radar ranging and imaging in atmospheric and planetary sciences, the remote detection of concealed radioactive materials, and submillimeter-wave and THz spectroscopy, as well as material processing, analysis, and biological effects. In response to increasing demand, significant advancements have been made in recent years in broadband high-power millimeter-wave and THz technologies, covering power sources, devices, and systems.

This Special Issue will highlight recent advancements in the analysis, design, and application of broadband high-power millimeter-wave and terahertz technologies. Possible topics include, but are not limited to, the following:

  • Electromagnetic field theory;
  • Electromagnetic modeling;
  • Inverse design and AI in broadband high-power millimeter-wave/THz design;
  • Multi-physics simulation and analysis;
  • The rapid analysis and computation of large electronic dimensions;
  • Broadband high-power millimeter-wave/THz waveguide components and transmission lines;
  • High-power millimeter-wave/THz quasi-optical technology;
  • Broadband high-power millimeter-wave/THz antennas/arrays;
  • Broadband high-power millimeter-wave/THz metamaterials/metasurfaces;
  • High-power millimeter-wave/THz sources, devices, and systems;
  • High-power millimeter-wave and THz materials (e.g., dielectrics, coatings, and magnetic materials);
  • High-power millimeter-wave/THz breakdown;
  • High-power millimeter-wave/THz measurement techniques;
  • Thermal power management and control;
  • High-power millimeter-wave/THz power modules;
  • High-power millimeter-wave/THz electronic power conditioners, modulators, and supplies;
  • High-power millimeter-wave/THz device and system integration;
  • High-power millimeter-wave/THz system (radars, communications, and counteraction);
  • High-power millimeter-wave/THz system and subsystem reliability;
  • High-power millimeter-wave/THz sensing;
  • High-power millimeter-wave/THz devices in biology and medicine.

Dr. Zewei Wu
Dr. Fan Wu
Dr. Song Li
Guest Editors

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Keywords

  • high-power millimeter-wave/THz devices
  • broadband performance
  • oversized waveguide
  • high-power pulse generation
  • low-loss transmission
  • millimeter-wave and THz devices
  • quasi-optical techniques
  • high stability
  • thermal management breakdown

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Published Papers (1 paper)

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Research

10 pages, 7470 KiB  
Article
Theoretical Design and Simulation of a Dual-Band Sheet Beam Extended Interaction Oscillator
by Jialang Ling, Xiaofeng Li, Qixiang Zhao, Ruiqi Lu, Xingpeng Liu and Shaoliang Shi
Electronics 2025, 14(5), 966; https://doi.org/10.3390/electronics14050966 - 28 Feb 2025
Viewed by 363
Abstract
Millimeter-wave devices have great application value and development prospects in military radar, satellite communication, and other fields. Extended interaction devices (EIDs) are widely used in various fields because of their small size, light weight, large bandwidth, and high output power, which are of [...] Read more.
Millimeter-wave devices have great application value and development prospects in military radar, satellite communication, and other fields. Extended interaction devices (EIDs) are widely used in various fields because of their small size, light weight, large bandwidth, and high output power, which are of great significance to the research of millimeter-wave sources. This article presents the design of a sheet beam, dual-beam, dual-cavity coupled extended interaction oscillator (EIO) that can operate separately at 94 GHz and 140 GHz. The coupling coefficient, characteristic impedance, and other parameters were analyzed to optimize the cavity structure and improve transmission performance. The results of the 3D particle-in-cell (PIC) simulation demonstrated that the designed EIO reached a peak output power of 6.3 kW and 41 kW, respectively, when driven by sheet electron beams of 3 A, 34 kV and 3 A, 56 kV. Full article
(This article belongs to the Special Issue Broadband High-Power Millimeter-Wave and Terahertz Devices)
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