Study on Transmission Characteristics and Bandgap Types of Plasma Photonic Crystal

Abstract

A plasma photonic crystal (PPC) was formed using an array of discharge plasma tubes. The transmission spectra and bandstructure of PPCs with different lattice types under different polarization modes were studied through simulation and measurement. To study the types of bandgap in PPCs, the bandstructure of the PPC is calculated using symplectic finite difference time domain (SFDTD), a modified plane wave expansion (PWE) method, and a finite element method (FEM) based on weak form equations. The bandstructure of the PPC is compared with the transmission curve results. The results show that the bandgap is stable in the PPC, and the experimental and numerical results of the transmission spectra agree well. There are different types of bandgap in the PPC; the bandgap under TE-like polarization is caused by localized surface plasmon (LSP) and Bragg scattering. The bandgap under TM-like polarization is caused by the cutoff effect of plasma on the electromagnetic wave and Bragg scattering. The lattice type also affects the position and number of the bandgap. The three methods have their advantages and disadvantages when calculating bandstructure. Therefore, it is necessary to combine the results of three methods and experimental results to accurately determine the bandgap type of the PPC.

Factors influencing the electromagnetic transmission of mercury vapor discharge plasma tube arrays

“…pe  In this experiment, the diagnostic electromagnetic wave frequency was w = 40 GHz, and the maximum electron oscillation frequency, determined using the double Langmuir probes in the experimental range was 2.8 GHz w pe  12.7 GHz. The electron collision frequency n in the low-pressure Mercury vapor discharge tube was on the order of 1 GHz [32], and this frequency order meets the above assumptions.…”

“…The plane of the excitation port was perpendicular to the z-axis, and the electromagnetic wave was incident along the positive direction of the z-axis. was set at 1.0 × 10 9 Hz [32]. The mesh type was tetrahedral with adaptive refinement.…”

Influence factors and mechanism of backscattering characteristics of electromagnetic waves in a single layer plasma tube array

“…In this experiment, the diagnostic electromagnetic wave frequency was ω = 40 GHz, and the maximum ARTICLE pubs.aip.org/aip/adv electron oscillation frequency, determined using the double Langmuir probes in the experimental range, was 2.8 GHz ≤ ωpe ≤ 12.7 GHz. 29 The electron collision frequency ν in the low-pressure mercury vapor discharge tube was in the order of 1 GHz, 32 and this frequency order satisfies the above assumptions.…”

A Novel Frequency-Dependent Lattice Boltzmann Model with Single Extended Force Term for Electromagnetic Wave Propagating in Dispersive Media

“…The simulation of electromagnetic (EM) fields inside materials has always been an important topic in electrodynamics 2,3 and materials science and engineering. Specifically, in the development of organic nanomaterials and photonic crystals 1,4,5 , it has been strongly motivated to give an accurate description of the EM responses of dispersive films for efficient photonic devices 6,7 . In the past decades, several schemes have emerged to attack the EM propagation problem [8][9][10] .…”