Collision effects on propagation characteristics of electromagnetic waves in a sub-wavelength plasma slab of partially ionized dense plasmas

Bowen LI (李博文); Zhibin WANG (王志斌); Qiuyue NIE (聂秋月); Xiaogang WANG (王晓钢); Fanrong KONG (孔繁荣); Zhenyu WANG (王振宇)

doi:10.1088/2058-6272/aa84ab

Plasma Science and Technology > 2018 > 20(1): 14015-014015. > DOI: 10.1088/2058-6272/aa84ab

Bowen LI (李博文), Zhibin WANG (王志斌), Qiuyue NIE (聂秋月), Xiaogang WANG (王晓钢), Fanrong KONG (孔繁荣), Zhenyu WANG (王振宇). Collision effects on propagation characteristics of electromagnetic waves in a sub-wavelength plasma slab of partially ionized dense plasmas[J]. Plasma Science and Technology, 2018, 20(1): 14015-014015. DOI: 10.1088/2058-6272/aa84ab

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Collision effects on propagation characteristics of electromagnetic waves in a sub-wavelength plasma slab of partially ionized dense plasmas

¹ Department of Physics, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
² Laboratory for Space Environment and Physical Sciences, Harbin Institute of Technology, Harbin 150001, People’s Republic of China
³ School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, People’s Republic of China

Funds: This work has been supported by National Natural Science Foundation of China (Nos. 41674165, 11405038) and the China Postdoctoral Science Foundation (No. 2015M570283).

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Abstract

Abstract

Intensive collisions between electrons and neutral particles in partially ionized plasmas generated in atmospheric/sub-atmospheric pressure environments can sufficiently affect the propagation characteristics of electromagnetic waves, particularly in the sub-wavelength regime. To investigate the collisional effect in such plasmas, we introduce a simplified plasma slab model with a thickness on the order of the wavelength of the incident electromagnetic wave. The scattering matrix method (SMM) is applied to solve the wave equation in the plasma slab with significant nonuniformity. Results show that the collisions between the electrons and the neutral particles, as well as the incident angle and the plasma thickness, can disturb the transmission and reduce reflection significantly.
- plasmasonic sheath,
- electromagnetic wave,
- scattering matrix method

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