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Title: Propagation of terahertz electromagnetic wave in plasma with inhomogeneous collision frequency

In this paper, we investigate the absorption spectra of terahertz electromagnetic wave in plasma with inhomogeneous collision frequency. Profiles are introduced to describe the non-uniformity of collision frequency. It is interesting to find that when the plasma is collision frequency inhomogeneous, the absorption spectrum would decreases faster than that in uniform plasma. And the rate of decreasing would be different when the profile changes. Two parameters are set up to predict how the profiles affect the absorption spectra. Furthermore, the effects of electron density are also considered.
Authors:
; ;  [1] ;  [2]
  1. School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071 (China)
  2. National Laboratory of Science and Technology on Antennas and Microwaves Xidian University, Xi'an 710071 (China)
Publication Date:
OSTI Identifier:
22252103
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 2; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ABSORPTION SPECTRA; COLLISIONS; ELECTROMAGNETIC RADIATION; ELECTRON DENSITY; PLASMA