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Research on an artificial dielectric material for millimeter-wave imaging application
Applied Optics
|March 2, 2017
Summary
A novel conductor (CGC) material refracts millimeter-waves (MMW), enabling MMW imaging. This artificial molecule demonstrates unique electrical and magnetic properties for advanced imaging applications.
Area of Science:
- Materials Science
- Electromagnetics
- Optical Engineering
Background:
- Traditional high polymer materials have limitations in millimeter-wave (MMW) applications.
- Developing new materials with tunable electromagnetic properties is crucial for advancing MMW technologies.
Purpose of the Study:
- To introduce and characterize a novel artificial molecule material composed of cage-shaped conductor granules (CGC).
- To evaluate the MMW refracting capabilities of CGC for potential use in MMW imaging systems.
Main Methods:
- Fabrication of CGC material from cage-shaped conductor granules embedded in poly(methyl methacrylate).
- Calculation of refractive index using complex relative permittivity and permeability at 35 GHz.
- Design and construction of a two-element MMW imaging system utilizing a CGC-based lens.
Main Results:
- The CGC material exhibited a refractive index of 1.504 at 35 GHz.
- Acceptable MMW images of a right trapezoid and twin bars were successfully obtained using the CGC lens.
- The material demonstrated effective refraction of MMWs, outperforming some traditional polymers.
Conclusions:
- Cage-shaped conductor granule (CGC) material possesses significant potential for MMW refraction.
- The developed CGC-based lens is viable for active millimeter-wave imaging systems.
- CGC offers a promising alternative to conventional materials in MMW applications.
