Results 271 to 280 of about 187,352 (298)

Microwave interactions with plasmas

IEEE Conference Record - Abstracts. 1996 IEEE International Conference on Plasma Science, 1996
The physics of EM wave interactions with plasma with and without the confining magnetic field is presented. The plasma resonance enhances the incident field to large local values. The ponderomotive force of these enhanced electric fields create density perturbations.
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Plasma as a Microwave Amplifier

The Physics of Fluids, 1961
A mechanism is postulated for which a streaming plasma may transmit energy to a traversing radiation field, and thereby enhance the signal. For a laboratory plasma, only resonance frequencies over a narrow band may be amplified by this method. Large amplification over a broad frequency range is postulated for an astronomical gas.
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Microwave Cooling of Josephson Plasma Oscillations

Physical Review Letters, 2011
An extended Josephson junction can be described as a microwave cavity coupled to a Josephson oscillator. This is formally equivalent to a Fabry-Perot cavity with a freely vibrating mirror, where it has been shown that radiation pressure from photons in the cavity can reduce (increase) the vibrations of the mirror, effectively cooling (heating) it.
J, Hammer, M, Aprili, I, Petković
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Microwave Interaction with Plasmas

1993
Abstract : During the past year, we have made progress on frequency shifting by means of plasmas. Theoretically we have demonstrated that a rising plasma density tends to slow down and trap microwaves passing through the plasma-filled region. This increases the interaction time, so that a very rapid rise in plasma density is not required to produce ...
Mark Radar, Igor Alexeff
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Microwave plasma diagnostics

2011
This thesis is concerned mainly with developing accurate microwave methods for determining electron-density distributions in transient plasma columns. Two new methods have been developed and these have been evaluated by comparing with other methods.
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Interaction of microwave and magnetoactive plasma in microwave’s plasmatrons

Physics of Plasmas, 1999
A method for calculating the interaction of a microwave with a plane layer of magnetoactive low-pressure plasma under conditions of electron cyclotron resonance is presented. In this paper, the plasma layer is situated between a plane dielectric layer and a plane metal screen.
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Nonlinear Transport in Microwave-Generated Plasma

IEEE Transactions on Plasma Science
Excitation of a plasma with microwaves has the advantage that the lifetime of ions and electrons is much longer than the oscillation period. At a frequency of 2.45 GHz the electron density is constant in time, therefore one expects a constant conductivity. A special behavior occurs at low pressures (
Horia-Eugen Porteanu, Ilija Stefanović, Michael Klute, Peter Awakowicz, Ralf Peter Brinkmann, Wolfgang Heinrich   +5 more
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Relativistic Corrections to Microwave Interferometry in Plasmas

The Physics of Fluids, 1963
The index of refraction for a plasma with a high electron temperature was calculated for plane, transverse waves having frequencies large compared to the plasma frequency and to the electron cyclotron frequency. Results indicate that microwave phase-shift measurements of the plasma density based on the cold plasma relation for the index of refraction ...
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Microwave Plasma Emission Spectrometry

Analytical Chemistry, 1976
R. K. Skogerboe, G. N. Coleman
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Nitrogen fixation in an electrode-free microwave plasma

Joule, 2021
Sean Kelly, Annemie Bogaerts
exaly