Measurement of wall voltage in barrier discharges using an electro-optic nonlinear crystal

Sugimoto, Kyouzou; Takahashi, Hideaki; Shimomura, Osamu; Sakurai, Tsunehisa

doi:10.1088/0022-3727/36/23/004

Cited by 23 publications

(16 citation statements)

References 8 publications

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“…3) The surface charge density can vary significantly from one mode to other (from a few nC/cm 2 in diffuse discharges to hundreds of nC/cm 2 in filamentary ones). 2,4,9)…”

Section: Resultsmentioning

confidence: 99%

“…2(c) indicates that the decay time constant ( ¼ RC) of surface charge in atmosphericpressure helium DBD is considerably longer than the duration of the voltage pulse. Note that the effect of decay time constant becomes essential only at millisecond or longer scales, 4) typically at f < 200 Hz. The calculations using eqs.…”

Section: Volume Dbdsmentioning

confidence: 99%

“…[1][2][3] To observe the spatiotemporal evolution of surface charge in DBDs, the longitudinal electro-optic Pockels technique has been proposed recently. 4,5) The temporal resolution of the method is typically in the nanosecond range, while its spatial resolution seems to depend on the thickness of electro-optical crystal used. In this study, we further examine the Pockels technique, mainly focusing on its spatial resolution.…”

Section: Introductionmentioning

confidence: 99%

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Spatiotemporal Surface Charge Measurement in Two Types of Dielectric Barrier Discharges Using Pockels Effect

Abolmasov

Abo

Shirafuji

et al. 2006

Jpn. J. Appl. Phys.

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We show the existence of a new class of astrophysical objects where the self-gravity of the dust is balanced by the force arising from shielded electric fields on the charged dust. The problem of equilibrium dust clouds is formulated in terms of an equation of hydrostatic force balance together with an equation of state. Because of the dust charge reduction at high dust density, the adiabatic index reduces from two to zero. This gives rise to a mass limit M AS for the maximum dust mass that can be supported against gravitational collapse by these fields. If the total mass M D of the dust in the interstellar cloud exceeds M AS , the dust collapses, while in the case M D < M AS , equilibrium may be achieved. The physics of the mass limit is similar to the Chandrasekhar's mass limit for compact objects, such as white dwarfs and neutron stars.

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“…3) The surface charge density can vary significantly from one mode to other (from a few nC/cm 2 in diffuse discharges to hundreds of nC/cm 2 in filamentary ones). 2,4,9)…”

Section: Resultsmentioning

confidence: 99%

Section: Volume Dbdsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Spatiotemporal Surface Charge Measurement in Two Types of Dielectric Barrier Discharges Using Pockels Effect

Abolmasov

Abo

Shirafuji

et al. 2006

Jpn. J. Appl. Phys.

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“…Recently, surface charges have been measured with the Pockels effect of electro-optic crystals [2], [3]. In the surface charge measurement of these electro-optic crystals, the crystal works as the dielectric barrier.…”

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confidence: 99%

Development of Self-Organized Filaments in a Microgap Atmospheric Barrier Discharge on Bismuth Silicon Oxide Dielectrics

Fue

Hasegawa

Sato

et al. 2011

IEEE Trans. Plasma Sci.

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In this paper, we present subsequent images of self--organized filaments in a microgap atmospheric barrier discharge with and without bismuth silicon oxide (BSO) dielectrics. The images were obtained using an intensified charge-coupled device digital camera. Different developments of the discharge were observed in the region occupied by the filaments in the case of BSO and glass dielectrics. The charge distribution on the dielectric surface played an important role in the development of the self-organized patterns.Index Terms-Bismuth silicon oxide (BSO), dielectric barrier discharge, helium, microgap discharge, self-organized discharge.

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“…Measurements of surface charges in scaled plasma display cells have been made by this technique [9,10]. The spatial resolution in [10] was achieved by scanning the discharge area with a laser beam.…”

mentioning

confidence: 99%

Spatially Resolved Surface-Charge Measurement in a Planar Dielectric-Barrier Discharge System

2007

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We investigate a laterally extended dielectric helium discharge system with plane electrodes. The system is operated in the glow mode and is known to exhibit a rich variety of self-organized lateral patterns in the current distribution, most of them being filamentary. It is known from theory that surface charges on the dielectrics play a major role for the emerging patterns. In this work we present a method to measure the spatial charge distribution on the dielectrics via the Pockels effect of a bismuth-silicon-oxide crystal. The experimental results of the surface-charge distribution measurements are in good agreement with previous numerical solutions of the corresponding transport equations.

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Measurement of wall voltage in barrier discharges using an electro-optic nonlinear crystal

Cited by 23 publications

References 8 publications

Spatiotemporal Surface Charge Measurement in Two Types of Dielectric Barrier Discharges Using Pockels Effect

Spatiotemporal Surface Charge Measurement in Two Types of Dielectric Barrier Discharges Using Pockels Effect

Development of Self-Organized Filaments in a Microgap Atmospheric Barrier Discharge on Bismuth Silicon Oxide Dielectrics

Spatially Resolved Surface-Charge Measurement in a Planar Dielectric-Barrier Discharge System

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