Research on Crystalline Metamaterials
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Materials".
Deadline for manuscript submissions: 20 May 2024 | Viewed by 125
Special Issue Editors
Interests: metamaterials; high-power microwave; antennas; transmission line
Interests: metamaterials; high power microwave; optoelectronics; photonics
Special Issue Information
Dear Colleagues,
High-power microwaves (HPMs), or directed energy RF, represent an evolution of vacuum electron devices (VEDs) that seek to generate the highest peak power levels in the frequency range of 100 MHz to 100 GHz (and even higher frequencies) in short pulses (10–100 s ns in duration) that can be repetitively pulsed. In 1967, Veselago theoretically investigated exotic electromagnetic properties of metamaterials (MTMs) such as negative refractive index, reversed Doppler effect, and reversed Cherenkov radiation (RCR) in an assumed homogeneous isotropic material in which the real parts of the permittivity and the permeability were both negative. In many VEDs, the particle wave interaction is mediated in part via a material wherein the functionality of the material manipulates the electromagnetic (EM) wave in a controlled fashion. The permittivity (εeff(ω)) and the permeability (μeff(ω)) are the complex averaged EM response functions of the molecules that make up the material due to the interaction with the electric and magnetic components of an incident wave. The construction of new devices involves designing the EM properties and structures of available materials to obtain the permittivity (εeff(ω)) and the permeability (μeff(ω)); thus, engineers are able to precision engineer geometries from these materials. There have been emerging fields in HPMs and VEDs as well as their components using MTMs research, such as HPM device mineralization, frequency agility in HPM devices, HPM antenna using MTMs, HPM phase shifters, as well as pulsed power systems using MTMs, representing a variety of MTM applications.
Dr. Meiqin Liu
Dr. Ningfeng Bai
Prof. Dr. Weihua Jiang
Guest Editors
Manuscript Submission Information
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Keywords
- O-type device miniaturization
- M-type device miniaturization
- single-negative metamaterials
- double-negative metamaterials
- material EM excitation
- tunable metamaterial
- reconfigurable metamaterials
- pulsed power system miniaturization
