Experimental observations of a spherical transparent cathode glow discharge

Ryan M. Meyer; Mark A. Prelas; Sudarshan K. Loyalka

doi:10.1109/TPS.2008.928894

Experimental observations of a spherical transparent cathode glow discharge

Ryan M. Meyer
, Mark A. Prelas
, Sudarshan K. Loyalka

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

In this paper, several observations with regard to the nature of the glow discharge in a spherical inertial electrostaticconfinement device are reported. In particular, automated single and double Langmuir probe diagnostics are configured such that the ion-microchanneling phenomenon is directly verified. In addition, these measurements allow for the determination of the "star-to-jet" mode transition and show that microchanneling persists well into jet-mode regime despite its visual appearance. Conclusions about the overall discharge structure may also be drawn from spatial variations in the density and neutrality of the discharge. Finally, I-V characteristics obtained with the double Langmuir probe indicate the presence of energetic electrons inside of the cathode-grid region.

Original language	English
Pages (from-to)	1881-1889
Number of pages	9
Journal	IEEE Transactions on Plasma Science
Volume	36
Issue number	4 PART 5
DOIs	https://doi.org/10.1109/TPS.2008.928894
State	Published - Aug 2008
Externally published	Yes

Keywords

Electrostatic devices
Glow discharge
Inertial confinement
Neutron generator

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10.1109/TPS.2008.928894

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title = "Experimental observations of a spherical transparent cathode glow discharge",

abstract = "In this paper, several observations with regard to the nature of the glow discharge in a spherical inertial electrostaticconfinement device are reported. In particular, automated single and double Langmuir probe diagnostics are configured such that the ion-microchanneling phenomenon is directly verified. In addition, these measurements allow for the determination of the {"}star-to-jet{"} mode transition and show that microchanneling persists well into jet-mode regime despite its visual appearance. Conclusions about the overall discharge structure may also be drawn from spatial variations in the density and neutrality of the discharge. Finally, I-V characteristics obtained with the double Langmuir probe indicate the presence of energetic electrons inside of the cathode-grid region.",

keywords = "Electrostatic devices, Glow discharge, Inertial confinement, Neutron generator",

author = "Meyer, \{Ryan M.\} and Prelas, \{Mark A.\} and Loyalka, \{Sudarshan K.\}",

year = "2008",

month = aug,

doi = "10.1109/TPS.2008.928894",

language = "English",

volume = "36",

pages = "1881--1889",

journal = "IEEE Transactions on Plasma Science",

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T1 - Experimental observations of a spherical transparent cathode glow discharge

AU - Meyer, Ryan M.

AU - Prelas, Mark A.

AU - Loyalka, Sudarshan K.

PY - 2008/8

Y1 - 2008/8

N2 - In this paper, several observations with regard to the nature of the glow discharge in a spherical inertial electrostaticconfinement device are reported. In particular, automated single and double Langmuir probe diagnostics are configured such that the ion-microchanneling phenomenon is directly verified. In addition, these measurements allow for the determination of the "star-to-jet" mode transition and show that microchanneling persists well into jet-mode regime despite its visual appearance. Conclusions about the overall discharge structure may also be drawn from spatial variations in the density and neutrality of the discharge. Finally, I-V characteristics obtained with the double Langmuir probe indicate the presence of energetic electrons inside of the cathode-grid region.

AB - In this paper, several observations with regard to the nature of the glow discharge in a spherical inertial electrostaticconfinement device are reported. In particular, automated single and double Langmuir probe diagnostics are configured such that the ion-microchanneling phenomenon is directly verified. In addition, these measurements allow for the determination of the "star-to-jet" mode transition and show that microchanneling persists well into jet-mode regime despite its visual appearance. Conclusions about the overall discharge structure may also be drawn from spatial variations in the density and neutrality of the discharge. Finally, I-V characteristics obtained with the double Langmuir probe indicate the presence of energetic electrons inside of the cathode-grid region.

KW - Electrostatic devices

KW - Glow discharge

KW - Inertial confinement

KW - Neutron generator

UR - https://www.scopus.com/pages/publications/50249119171

U2 - 10.1109/TPS.2008.928894

DO - 10.1109/TPS.2008.928894

M3 - Article

AN - SCOPUS:50249119171

SN - 0093-3813

VL - 36

SP - 1881

EP - 1889

JO - IEEE Transactions on Plasma Science

JF - IEEE Transactions on Plasma Science

IS - 4 PART 5

ER -

Experimental observations of a spherical transparent cathode glow discharge

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