Journal ArticleDOI
Microwave and plasma interaction in a rectangular waveguide: Effect of ponderomotive force
Hitendra K. Malik,Anil K. Aria +1 more
TLDR
In this paper, the authors considered the TE10 mode that propagates in an evacuated rectangular waveguide and encounters a plasma which is filled in another waveguide of the same size.Abstract:
Studies on the propagation of high power microwave and its interaction with a plasma in a metallic waveguide are carried out. For this we consider the fundamental TE10 mode that propagates in an evacuated rectangular waveguide and encounters a plasma which is filled in another waveguide of the same size. Using Maxwell’s equations we evaluate the field components of the mode in the evacuated waveguide and then obtain coupled differential equations for the field components of the mode in the plasma filled waveguide, where the plasma effect enters in terms of its dielectric constant. These equations are solved numerically using the fourth-order Runge–Kutta method for the electric field amplitude of the microwave and its wavelength under the effect of plasma density, waveguide width, and microwave frequency. All the investigations are carried out for different initial plasma density profiles, namely homogeneous density, linear density with gradient in the propagation direction and the density with Gaussian pr...read more
Citations
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Journal ArticleDOI
Properties of Propagation of Electromagnetic Wave in a Multilayer Radar-Absorbing Structure With Plasma- and Radar-Absorbing Material
TL;DR: In this paper, a multilayer radar-absorbing structure with plasma and radar absorbing material (RAM) is established to investigate the stealth mechanisms of the multillayer absorber. And the dependences of EM waves attenuation on the parameters of the plasma and RAMs are provided.
Journal ArticleDOI
Propagation characters of Gaussian laser beams in collisionless plasma: Effect of plasma temperature
Ying Wang,Zhongxiang Zhou +1 more
TL;DR: In this article, the second-order differential equation of dimensionless beam width parameter f(ξ) in terms of plasma temperature is established from Maxwell's equations with paraxial approximation.
Journal ArticleDOI
An improved inversion algorithm for spatio-temporal retrieval of soil moisture through modified water cloud model using C- band Sentinel-1A SAR data
TL;DR: Results showed that incorporation of fveg to the MWCM provided high potential to retrieve spatio-temporal SM in the region-2 where soil fields were mostly covered with wheat and barley crops rather than in region-1 having sparse vegetated soil field.
Journal ArticleDOI
Radiation characteristics of input power from surface wave sustained plasma antenna
TL;DR: The relationship between the antenna gain and the input power was investigated theoretically and experimentally in this article, focusing on the power consumption balance between the plasma generation and the radiation at 2.45 GHz.
Journal ArticleDOI
Density modification by two superposing TE10 modes in a plasma filled rectangular waveguide
TL;DR: In this paper, two fundamental TE10 modes propagating in a plasma filled rectangular waveguide after superposing at a smaller angle were examined via a wave equation obtained using the Maxwell's equations.
References
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Journal ArticleDOI
Space Charge Waves in Cylindrical Plasma Columns
A. W. Trivelpiece,Roy W. Gould +1 more
TL;DR: In this paper, the effect of a steady axial magnetic field is considered, but motion of heavy ions and electron temperature effects are neglected, and the properties of these space charge waves have been investigated by regarding the plasma as a dielectric and solving the resulting field equations.
Journal ArticleDOI
High brightness inductively coupled plasma source for high current focused ion beam applications
Noel Smith,W. P. Skoczylas,Sean Kellogg,D. E. Kinion,Paul P. Tesch,Orson Sutherland,Ane Aanesland,Roderick Boswell +7 more
TL;DR: In this article, a magnetically enhanced, inductively coupled plasma ion source has been developed to address focused ion beam (FIB) applications not satisfied by the liquid metal ion source (LMIS) based FIB.
Journal ArticleDOI
Modes in Dielectric-Loaded Waveguides and Resonators
K.A. Zaki,A.E. Atia +1 more
TL;DR: In this article, a method for the accurate determination of resonant frequencies of any mode excited in dielectrically loaded wavegnide cavities is described, which is used to construct mode charts for dielectric resonators.
Journal ArticleDOI
Fast-wave propagation in plasma-filled waveguides.
Vladislav Bevc,Thomas E. Everhar +1 more
TL;DR: In this paper, the cyclotron modes were found to be purely transverse electric at cut-off, gradually changing in character along their propagation curves through hybrid to purely transversal magnetic modes at cyclotic resonance.
Journal ArticleDOI
Plasma phenomena in inductive discharges
TL;DR: In this article, a review of low pressure inductively coupled plasmas (ICPs) is presented where the interaction of an electromagnetic field with electrons is governed by electron thermal motion rather than electron-atom collisions.
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