Detection of localized hot electrons in low-pressure large-area microwave discharges

Terebessy, Tibor; Kando, Masashi; Kudela, Jozef
October 2000
Applied Physics Letters;10/30/2000, Vol. 77 Issue 18
Academic Journal
A localized hot-electron region was observed in low-pressure (<3 mTorr) large-area microwave discharges. The region appears in the vicinity of the waveguiding plasma-dielectric interface in the place of critical plasma density. The existence of localized hot electrons is explained on the basis of transit time heating in the resonantly enhanced electric field. The phenomenon provides experimental evidence that the plasma resonance region plays an active role in heating mechanism in low-pressure microwave discharges. © 2000 American Institute of Physics.


Related Articles

  • Double window configuration as a low cost microwave weveguide window for plasma applications. Baskaran, R. // Review of Scientific Instruments;Dec1997, Vol. 68 Issue 12, p4424 

    Discusses double window configuration as a low cost microwave waveguide window for plasma applications. Function of the waveguide window; Use of a flat flange as a waveguide window; Minimum power reflection; Advantages of using radial microwave coupling than axial coupling.

  • Monolithic integration of a transparent dielectric waveguide into an active laser cavity by impurity-induced disordering. Thornton, Robert L.; Epler, John E.; Paoli, Thomas L. // Applied Physics Letters;12/14/1987, Vol. 51 Issue 24, p1983 

    In this letter we report the successful combination of a low-loss buried waveguide providing two-dimensional optical confinement with an active gain medium. We have thereby realized a planar and monolithic composite cavity laser where the laser cavity consists of distinct regions of optical gain...

  • Solution of dispersion relations for planar waveguides in the case of complex roots. Romanenko, A. A.; Sotskiı, A. B. // Technical Physics;Apr98, Vol. 43 Issue 4, p427 

    A method for calculating the complex roots of a nonlinear equation is described whereby the solution of the problem is reduced to quadratures. Applications of the method to the investigation of dispersion relations for various open waveguide structures with a complex dielectric permittivity are...

  • Present Status of the Theory of Relativistic Plasma Microwave Electronics. Kuzelev, M. V.; Rukhadze, A. A. // Plasma Physics Reports;Mar2000, Vol. 26 Issue 3, p231 

    Theoretical research on high-power microwave sources based on stimulated emission from relativistic election beams in plasma waveguides and resonators is reviewed. Both microwave amplifiers and oscillators are investigated. Two mechanisms for stimulated emission�resonant Cherenkov emission...

  • A general linear growth rate formula for large orbit, annular electron beams. Lawson, W.; Striffler, C. D. // Physics of Fluids (00319171);Sep85, Vol. 28 Issue 9, p2868 

    Microwave radiation can be produced at cyclotron harmonics as a result of the synchronous interaction between a rotating E layer and an em wave. The derivation of a general growth rate expression is presented here for systems involving large orbit, thin, annular, relativistic electron beams....

  • Hot electron heating due to resonance absorption of moderate-intensity microwaves: Microwave simulation experiment of laser–plasma interaction. Mizuno, Katsu // Physics of Fluids B: Plasma Physics;Sep91, Vol. 3 Issue 9, p2532 

    Microwave simulation experiments of laser-produced coronal plasma are presented. Extensive studies of hot electron heatings due to resonance absorption of moderate-intensity (v0/ve < 0.3, or Iλ2/Te < 3 × 1014 W/cm2 μm2/keV), p-polarized microwaves have been made. A simple theory is...

  • Investigation of Low-Frequency Waves in Plasma-Filled Microwave Oscillators. Antonov, A. N.; Bliokh, Yu. P.; Kornilov, E. A.; Kovpik, O. F.; Lubarskii, M. G.; Matyash, K. V.; Podobinskii, V. O.; Svichenskii, V. G.; Fainberg, Ya. B. // Plasma Physics Reports;Dec2000, Vol. 26 Issue 12, p1027 

    The excitation of microwave oscillations by an electron beam in a hybrid plasma waveguide�a slow-wave structure (a sequence of inductively coupled resonators) with a plasma-filled transport channel�is studied both experimentally and theoretically. It is shown that the governing role in...

  • Production of uniform plasma with surface electromagnetic wave launched by a waveguide-surfatron Cong-Feng Wu; Wu, Cong-Feng; Ru-Juan Zhan; Zhan, Ru-Juan; Shuai Wu; Wu, Shuai // Review of Scientific Instruments;Feb1999, Vol. 70 Issue 2, p1522 

    Describes the production of a uniform plasma with a surface electromagnetic wave launched by a waveguide-surfatron. Plasma uniformity; Plasma density.

  • Adaptation of the Galerkin method to interior diffraction problems. Agalakov, A.; Raevskii, S.; Titarenko, A. // Computational Mathematics & Mathematical Physics;Oct2011, Vol. 51 Issue 10, p1746 

    An approach based on a modified Galerkin method is proposed for solving interior diffraction problems. The solution procedure is demonstrated by computing the junction of two planar waveguides through a waveguide segment filled with an arbitrary dielectric material.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics