Reflection Properties of Electromagnetic Wave in a Bounded Plasma Slab

Yuan, Chengxun; Zhou, Zhongxiang; Sun, Haonan

doi:10.1109/tps.2010.2084110

Cited by 71 publications

(26 citation statements)

References 27 publications

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“…According to (8) and (9), the equiamplitude wavefront propagates in the positive direction of the z-axis and exponentially attenuates with the attenuation coefficient as…”

Section: B Refracted and Reflected Waves In The Uniform Plasma Slabmentioning

confidence: 99%

Reflections of Electromagnetic Waves Obliquely Incident on a Multilayer Stealth Structure With Plasma and Radar Absorbing Material

Bai

et al. 2015

IEEE Trans. Plasma Sci.

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To overcome some drawbacks of the plasma stealth technology in real-life application, a practical multilayer stealth structure composed of enclosed plasma slab and radar absorbing material (RAM) is presented in this paper. Based on a technique referred to as the transmission line analogy method, reflection coefficients of the perpendicularly polarized wave, the parallel polarized wave, and the circularly polarized wave obliquely incident upon this multilayer structure are determined, respectively. The effects of the incident angle, kinds of RAMs, and parameters of the plasma slab including electron density, collision frequency, and thickness on the stealthy effectiveness of this composite stealth structure have been studied systematically. The numerical results indicate that by a proper design, the power of reflected wave is significantly reduced over a wide frequency bandwidth, which provides some useful references to the plasma stealth technology applied to aircrafts, ships, and missiles.Index Terms-Multilayer stealth structure, obliquely incident, plasma stealth technology, transmission line analogy.

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“…According to (8) and (9), the equiamplitude wavefront propagates in the positive direction of the z-axis and exponentially attenuates with the attenuation coefficient as…”

Section: B Refracted and Reflected Waves In The Uniform Plasma Slabmentioning

confidence: 99%

Reflections of Electromagnetic Waves Obliquely Incident on a Multilayer Stealth Structure With Plasma and Radar Absorbing Material

Bai

et al. 2015

IEEE Trans. Plasma Sci.

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“…The field oscillations in the plasma are more prominent for small plasma thickness (Yuan et al 2010). This is due to the constructive interference of the multiple reflected waves.…”

Section: Wave Propagation In Unmagnetized Plasmamentioning

confidence: 99%

Plasma-based Radar Cross Section Reduction

Singh¹,

Antony²,

Jha³

2015

SpringerBriefs in Electrical and Computer Engineering

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The concealment of aircraft from radar sources or stealth is achieved either through shaping, or radar absorbing coatings, or engineered materials, or plasma, etc. Plasma-based stealth is a radar cross-section (RCS) reduction technique associated with the reflection and absorption of incident electromagnetic (EM) wave by the plasma layer surrounding the structure. Plasma cloud covering the aircraft may give rise to other signatures such as thermal, acoustic, infrared, or visual. Thus it is a matter of concern that the RCS reduction by plasma enhances its detectability due to other signatures. This needs a careful approach toward the plasma generation and its EM wave interaction. This book presents a comprehensive review of the plasma-based stealth, covering the basics, methods, parametric analysis, and challenges toward the realization of the idea. The book starts with the basics of EM wave interactions with plasma, briefly discusses the methods used to analyze the propagation characteristics of plasma, and its generation. It presents the parametric analysis of propagation behavior of plasma, and the challenges in the implementation of plasma-based stealth technology. This review serves as a starting point for graduate and research students, scientists, and engineers working in the area of low-observables and stealth technology.

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“…It is well known that the propagation of electromagnetic waves is attenuated when plasma is introduced in their path. The attenuation characteristics of plasma are affected by the collision frequency and the electron density, which has been deeply investigated both theoretically [1][2][3][4][5] and experimentally [6][7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Attenuation Effects of Plasma on Ka-Band Wave Propagation in Various Gas and Pressure Environments

Lee

Kim

et al. 2018

J Electromagn Eng Sci

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This work demonstrates attenuation effects of plasma on waves propagating in the 26.5-40 GHz range. The effect is investigated via experiments measuring the transmission between two Ka-band horn antennas set 30 cm apart. A dielectric-barrier-discharge (DBD) plasma generator with a size of 200 mm × 100 mm × 70 mm and consisting of 20 layers of electrodes is placed between the two antennas. The DBD generator is placed in a 400 mm × 300 mm × 400 mm acrylic chamber so that the experiments can be performed for plasma generated under various conditions of gas and pressure, for instance, in air, Ar, and He environments at 0.001, 0.05, and 1 atm of pressure. Attenuation is calculated by the difference in the transmission level, with and without plasma, which is generated with a bias voltage of 20 kV in the 0.1-1.4 kHz range. Results show that the attenuation varies from 0.05 dB/m to 9.0 dB/m depending on the environment. Noble gas environments show higher levels of attenuation than air, and He is lossier than Ar. In all gas environments, attenuation increases as pressure increases. Finally, electromagnetic models of plasmas generated in various conditions are provided.Key Words: Dielectric-Barrier-Discharge Actuator, Plasma Absorption Properties, Plasma Attenuation. This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. ⓒ

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Reflection Properties of Electromagnetic Wave in a Bounded Plasma Slab

Cited by 71 publications

References 27 publications

Reflections of Electromagnetic Waves Obliquely Incident on a Multilayer Stealth Structure With Plasma and Radar Absorbing Material

Reflections of Electromagnetic Waves Obliquely Incident on a Multilayer Stealth Structure With Plasma and Radar Absorbing Material

Plasma-based Radar Cross Section Reduction

Attenuation Effects of Plasma on Ka-Band Wave Propagation in Various Gas and Pressure Environments

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