Omnidirectional Absorption Properties of a Terahertz One-Dimensional Ternary Magnetized Plasma Photonic Crystal Based on a Tunable Structure
Results in Physics(2020)
摘要
In this paper, by using the transfer matrix method and introducing the plasma as the dispersion medium, we propose the tunable one-dimensional magnetized ternary plasma photonic crystal structure (APB)N, and study its omnidirectional absorption properties of TM wave in terahertz band, where A and B are two different dielectric layers, P is plasma layer, and studied the regulation of the frequency and peak of the absorption channel by the number of periods, the relative refractive index of the dielectric layer, length, density, collision frequency and magnetic field intensity of the plasma layer to the absorption channel frequency and peak value. Therefore, this paper provides an idea for the design of terahertz absorbers for omnidirectional plasma photonic crystals.
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关键词
One-dimensional photonic crystals,Plasma layer,Terahertz wave,Omnidirectional absorption,Tunable structure
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