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IEEE Transactions on Plasma Science

Issue 6 • Date Dec. 2004

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Displaying Results 1 - 23 of 23
  • Table of contents

    Publication Year: 2004, Page(s): c1
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  • IEEE Transactions on Plasma Science publication information

    Publication Year: 2004, Page(s): c2
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  • Slow cyclotron instability in a high-power backward-wave oscillator

    Publication Year: 2004, Page(s):2157 - 2168
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB) | HTML iconHTML

    The linear dispersion relation of a backward-wave oscillator (BWO), derived earlier by the authors, is modified to include effects of RF surface current at the beam-vacuum interface. This modified dispersion relation results in an unstable interaction between the slow cyclotron mode (SCM) and the structure mode in addition to the conventional Cherenkov instability caused by the slow space charge m... View full abstract»

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  • Magnetically driven Rayleigh-Taylor instability with acceleration gradient

    Publication Year: 2004, Page(s):2169 - 2174
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB) | HTML iconHTML

    We investigate the stability properties of a slab of accelerating, current-carrying, cold, fluid when the accelerating J_ × B_ force is nonuniform throughout the slab and leads to a gradient in the slab acceleration. A nonuniform force that squeezes (stretches) the slab while accelerating it increases (decreases) the Magnetic-Rayleigh-Taylor instability growth rate. This effect can explain r... View full abstract»

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  • Ferro-electric pellet shape effect on C2F6 removal by a packed-bed-type nonthermal plasma reactor

    Publication Year: 2004, Page(s):2175 - 2183
    Cited by:  Papers (30)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB) | HTML iconHTML

    Ceramic dielectric material pellet shape effects on the performance of perfluoroethane (C2F6) gas removal from simulated semiconductor process gas using packed-bed reactor are experimentally investigated. The bench-scale cylindrical shaped (plasma part: 30-mm inner diameter and 20-mm length) plasma reactor consists of two metal mesh electrodes packed with spherical, cylindric... View full abstract»

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  • Effect of attenuation on backward-wave oscillation start oscillation condition

    Publication Year: 2004, Page(s):2184 - 2188
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB) | HTML iconHTML

    In a practical helix traveling-wave tube (TWT), there is always attenuator/sever for suppressing the oscillations, including backward-wave oscillation (BWO). The factors of the influencing BWO include start position of the attenuator, its length, and attenuation quantity. In the event that the attenuator/sever and nonuniformities in the phase velocity and beam potential were considered, a linear t... View full abstract»

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  • Experimental observation of image sticking phenomenon in AC plasma display panel

    Publication Year: 2004, Page(s):2189 - 2196
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1232 KB) | HTML iconHTML

    The itinerant strong sustain discharge that occurs during a sustain period over a few minutes causes image sticking, which means a ghost image remains in the subsequent image when the previous image was continuously displayed over a few minutes. Accordingly, this paper investigates whether the dominant factor in image sticking is the MgO surface or phosphor layer by testing the effects of image st... View full abstract»

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  • Experiments on plasma-physical aspects of closed cycle MHD power generation

    Publication Year: 2004, Page(s):2197 - 2209
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2496 KB) | HTML iconHTML

    In this paper, important laboratory experiments in closed-cycle magneto-hydrodynamic (MHD) generator plasmas are discussed. The following aspects are treated: electron temperature elevation and nonequilibrium ionization, fluctuations and nonuniformity, streamers as the nonlinear appearance of ionization instability, inlet relaxation, and fully ionized seed as a concept to suppress ionization insta... View full abstract»

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  • PIC simulation of effect of energy-dependent foil transparency in an axially-extracted vircator

    Publication Year: 2004, Page(s):2210 - 2216
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB) | HTML iconHTML

    We have performed two-dimensional, relativistic, electromagnetic, particle-in-cell simulations for an axially extracted vircator. With a copper foil anode, the output frequency of the vircator is found to be strongly dependent upon the variation of foil transparency with electron energy. Using an average transparency for all electron energies yields results that are markedly different from those o... View full abstract»

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  • Plasma-sheath transition in the magnetized plasma-wall problem for collisionless ions

    Publication Year: 2004, Page(s):2217 - 2226
    Cited by:  Papers (36)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (616 KB) | HTML iconHTML

    A model for the collisionless plasma-wall problem under the action of an applied magnetic field is developed. The behavior of its solution is examined and found to be qualitatively consistent with experiment. The plasma and the sheath are then modeled separately to obtain the position of the quasi-neutral plasma boundary and the position of the edge of the electron-free sheath. It is shown that th... View full abstract»

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  • Soft X-ray optimization studies on a dense plasma focus device operated in neon and argon in repetitive mode

    Publication Year: 2004, Page(s):2227 - 2235
    Cited by:  Papers (60)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (832 KB) | HTML iconHTML

    This paper investigates the emission characteristics of a high-performance low-energy (3-kJ) repetitive dense plasma focus device, NX2, operated at up to 1-Hz repetition rate to develop it as an intense source of soft X-rays (SXR) for microlithography and micromachining. Various SXR yield optimization studies with argon and neon as filling gases were performed under different operating conditions ... View full abstract»

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  • A novel overmoded slow-wave high-power microwave (HPM) Generator

    Publication Year: 2004, Page(s):2236 - 2242
    Cited by:  Papers (57)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB) | HTML iconHTML

    We present the design and experimental results of a novel overmoded slow-wave high-power microwave (HPM) generator that is featured by its compactness, low-operation magnetic field, and potentially high power and high efficiency. The device includes two slow-wave structure (SWS) sections, a resonant cavity, and a tapered waveguide. The resonant cavity was well designed and was used to achieve the ... View full abstract»

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  • Imaging and spectrum diagnostics of air arc plasma characteristics

    Publication Year: 2004, Page(s):2243 - 2249
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB) | HTML iconHTML

    This paper is devoted to the study of the air arc plasma characteristics and consists of two parts. An optical high-speed imaging system is integrated with pressure sensing, arc current, and voltage measurement to investigate high-speed and high-temperature unsteady arc plasma motion in a molded case circuit breaker (MCCB) model, especially with the influence of polyoxymethylene (POM), polycarbona... View full abstract»

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  • Microwave breakdown in slots

    Publication Year: 2004, Page(s):2250 - 2262
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB) | HTML iconHTML

    The properties of microwave-induced breakdown of air in narrow metallic slots are investigated, both theoretically and experimentally, with emphasis on factors important for protection against transmission of incident high-power microwave radiation. The key factors investigated are breakdown power threshold, breakdown time, peak-leakage power, and total transmitted energy, as functions of incident... View full abstract»

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  • Intermodulation and noise suppression of a linearized, low-noise hybrid microwave amplifier

    Publication Year: 2004, Page(s):2263 - 2264
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (152 KB) | HTML iconHTML

    A new type of microwave amplifier module, consisting of a solid-state amplifier, a predistortion linearizer, and a traveling-wave-tube (TWT), is realized. Measurements show a noise figure of 2.2 dB at 9.5 GHz and the third-order intermodulation distortion ratio of 53 dBc at 10 dB back off from P1 dB point. View full abstract»

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  • Comments on "On asymptotic matching and the sheath Edge"

    Publication Year: 2004, Page(s):2265 - 2270
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB) | HTML iconHTML

    In Sternberg and Godyak (2003), the authors claim that the sheath edge obtained through asymptotic matching is the edge of the electron free ion sheath characterized by Godyak's "strong" electric field |E|=kTe/(eλD). I present a careful re-analysis of the same problem and show that the paper is incorrect. The "intermediate region" of asymptotic analysis has an extremel... View full abstract»

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  • Reply to comments on "On asymptotic matching and the sheath Edge"

    Publication Year: 2004, Page(s):2271 - 2276
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (176 KB) | HTML iconHTML

    In our recent paper [Sternberg and Godyak (2004)], we have solved the plasma-sheath problem using asymptotic matching techniques. We have shown that the position of the sheath edge obtained by asymptotic matching yields the position of the ion sheath edge determined by Godyak's condition (E=kTe/(eλD1)) [Godyak (1982)]. In addition, we were able to show how the sheath w... View full abstract»

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  • Special issue on vacuum discharge plasmas

    Publication Year: 2004, Page(s): 2277
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  • Special issue on plasma-assisted combustion

    Publication Year: 2004, Page(s): 2278
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  • 2004 Index

    Publication Year: 2004, Page(s):2279 - 2318
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  • Explore IEL IEEE's most comprehensive resource [advertisement]

    Publication Year: 2004, Page(s): 2319
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  • Proceedings of the IEEE celebrating 92 years of in-depth coverage on emerging technologies

    Publication Year: 2004, Page(s): 2320
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  • IEEE Transactions on Plasma Science Information for authors

    Publication Year: 2004, Page(s): c3
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Aims & Scope

IEEE Transactions on Plasma Sciences focuses on plasma science and engineering, including: magnetofluid dynamics and thermionics; plasma dynamics; gaseous electronics and arc technology.

 

 

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Steven J. Gitomer, Ph.D.
Senior Scientist, US Civilian Research & Development Foundation
Guest Scientist, Los Alamos National Laboratory
1428 Miracerros Loop South
Santa Fe, NM  87505  87505  USA
tps-editor@ieee.org
Phone:505-988-5751
Fax:505-988-5751 (call first)