NDLI: The effect of ions on terahertz wave propagation characteristics in plasma sheath

Content Provider	IEEE Xplore Digital Library
Author	Li, Shuantao Li, Jun Zhu, Zhongbo Cui, Wanzhao
Copyright Year	2014
Description	Author affiliation: National key laboratory of science and technology on space microwave technology, China Academy of space Technology Xi'an, China (Li, Shuantao; Li, Jun; Zhu, Zhongbo; Cui, Wanzhao)
Abstract	The characteristics of terahertz wave propagation in plasma sheath are studied in this paper, when the effect of ions is considered. Starting from the kinetic equations of particles, the plasma dispersion relation is theoretically derived in the presence of ions and electrons model. Based on the relative permittivity of this dispersion model, the coefficients of power reflection, transmission, and attenuation are calculated for electromagnetic wave propagation in uniform plasma. Numerical simulation is done for relative permittivity and propagation characteristics under different density proportions between ions and electrons. Simulation results show that the influence of ions can be ignored when the proportion is below $10^{3},$ and the influence is weak when the proportion is $10^{4}.$ The effect becomes very significant at the same terahertz frequency point when the proportion reaches $10^{5},$ and the change of power attenuation can reach 200dB. These conclusions could hopefully provide a theoretical reference for the application of terahertz wave to solve the communication blackout problem.
Starting Page	2398
Ending Page	2402
File Size	889127
Page Count	5
File Format	PDF
ISBN	9781479921881
ISSN	21645221
e-ISBN	9781479921867
DOI	10.1109/ICOSP.2014.7015424
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ions Plasma sheaths Attenuation Permittivity Vehicles propagation characteristics terahertz wave effect of ions plasma sheath
Content Type	Text
Resource Type	Article

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