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

The wall voltage in a barrier discharge has been directly measured using an electro-optic crystal, KDP. One of the barriers is made up of a plate of KDP. A wall voltage due to charges accumulated on KDP surface is measured at various discharge conditions from the change of polarization of a laser tr...

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Veröffentlicht in:	Journal of physics. D, Applied physics Applied physics, 2003-12, Vol.36 (23), p.2887-2890
Hauptverfasser:	Sugimoto, Kyouzou, Takahashi, Hideaki, Shimomura, Osamu, Sakurai, Takeki
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Electric discharges Electric variable measurements (including voltage, current, resistance, capacitance, inductance, impedance, and admittance, etc.) Electronics Exact sciences and technology Other gas discharges Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges Testing, measurement, noise and reliability
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Beschreibung
Zusammenfassung:	The wall voltage in a barrier discharge has been directly measured using an electro-optic crystal, KDP. One of the barriers is made up of a plate of KDP. A wall voltage due to charges accumulated on KDP surface is measured at various discharge conditions from the change of polarization of a laser transmitting through KDP. The value of the wall voltage at applied voltage of 1 kV and Ar gas pressure of 3 Torr is about 120 V. This indicates that the accumulated charge is about 1.1 nC.
ISSN:	0022-3727 1361-6463
DOI:	10.1088/0022-3727/36/23/004