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Effect of Frequency on Emission of XeI* Excimer in a Pulsed Dielectric Barrier Discharge |
OU Qiong-Rong;MENG Yue-Dong;XU Xu;SHU Xing-Sheng;REN Zhao-Xing |
Institute of Plasma Physics, Chinese Academy of Sciences, PO Box 1126, Hefei 230031 |
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Cite this article: |
OU Qiong-Rong, MENG Yue-Dong, XU Xu et al 2004 Chin. Phys. Lett. 21 1317-1319 |
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Abstract Emission spectra of XeI* excimers and ultraviolet intensity at 253 nm from a dielectric barrier discharge (DBD) lamp excited by a pulsed voltage were measured as functions of pressure, electrical power, and frequency. In the DBD lamp driven by a higher frequency voltage, a more intense emission of XeI* excimers with high efficiency at 253 nm was found. A diffuse discharge mode was observed at high xenon pressure (> 1 atm) with an excessive iodine concentration in the DBD driven by a high frequency (60 kHz) voltage.
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Keywords:
52.80.Pi
52.80.Hc
51.50.+v
42.72.Bj
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Published: 01 July 2004
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