A simple design of an artificial electromagnetic black hole
Wanli Lu, JunFeng Jin, Huanyang Chen, and Zhifang Lin
TL;DR
This paper presents a straightforward design for an artificial electromagnetic black hole using a multi-layered structure and composite materials, confirmed by finite element simulations, for easier experimental realization.
Contribution
It introduces a simplified, multi-layered electromagnetic black hole design utilizing only five isotropic materials, facilitating experimental implementation.
Findings
Finite element simulations confirm the black hole functionality.
A practical design with only five materials is feasible.
The structure effectively manipulates electromagnetic modes.
Abstract
We study the properties of an artificial electromagnetic black hole for transverse magnetic modes rigorously. A multi-layered structure of such a black hole is then proposed as a reduced variety for easy experimental realizations. An actual design of composite materials based on the effective medium theory is given eventually with only five kinds of real isotropic materials. The finite element method confirms the functionality of such a simple design.
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