Abstract
A 1D plasma photonic crystal (PPC) is filled with plasmas and slab dielectrics in a large volume cylindrical glow discharge device. The parameters of the PPC are designed to meet the transmission condition of broadband microwave (1.5GHz-12GHz) according to the photonic crystal theory in which the thickness of the plasma is comparable to the wavelength. The transmission characteristics of broadband microwave in this plasma photonic crystal are demonstrated experimentally. The experiments show some unique characteristics of microwave in the PPCs, and the physical explanations for the phenomenon have been given based on the photonic crystal theory. And then, the features of the PPCs are compared to the corresponding photonic crystals (PCs) through both experiments and simulations. The results show that plasma slabs in PCs can change the band structure and influence the transmission of microwaves, which can be useful to the design of microwaves devices with PPCs.
Highlights
The interaction between plasma and microwave have attracted great interest by the study of plasma formation from fruit dimers in a microwave oven.1 The control of microwave transmission has been given much attention for decades.2–5 Photonic crystals are periodic arrays composed of different dielectric materials which exhibit bandgaps due to their translational symmetries.6–8 The photonic crystals (PCs) devices can affect the motion of photons, a number of devices with PCs have been designed, such as fibers,9,10 lasers,11,12 and switches,13,14 to control of electromagnetic waves in the microwave,15,16 terahertz,17,18 and optical regions.19–21 the parameters of these devices cannot be changed once they have been designed
We have studied the characteristics of propagation of microwave in plasma photonic crystal (PPC) numerically using the impedance scitation.org/journal/adv method
Based on characterizing the PPC, we study the influence factors of the microwave transmission in the PPC and compare experiments with simulations
Summary
The interaction between plasma and microwave have attracted great interest by the study of plasma formation from fruit dimers in a microwave oven.1 The control of microwave transmission has been given much attention for decades.2–5 Photonic crystals are periodic arrays composed of different dielectric materials which exhibit bandgaps due to their translational symmetries.6–8 The PC devices can affect the motion of photons, a number of devices with PCs have been designed, such as fibers,9,10 lasers,11,12 and switches,13,14 to control of electromagnetic waves in the microwave,15,16 terahertz,17,18 and optical regions.19–21 the parameters of these devices cannot be changed once they have been designed. We have studied the characteristics of propagation of microwave in PPCs numerically using the impedance scitation.org/journal/adv method.32 The dielectric material, the period Λ, the plasma frequency and collision frequency, which influence the transmission of microwave in PPC, were studied. The plasma greatly affects the low-frequency transmission, and the period can change the band gaps.
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