Measurement of self-organization pattern in dielectric barrier discharge by a special photoelectronic detection system

Zengchao Zhao; Lifang Dong; Yuyan Qi; Yafeng He; Yonghui Li

doi:10.1117/12.755539

28 November 2007 Measurement of self-organization pattern in dielectric barrier discharge by a special photoelectronic detection system

Zengchao Zhao, Lifang Dong, Yuyan Qi, Yafeng He, Yonghui Li

Author Affiliations +

Proceedings Volume 6834, Optical Design and Testing III; 683425 (2007) https://doi.org/10.1117/12.755539
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The non-intrusive optical emission spectroscopy is used to measure the vibrational temperature and the electron density in white-eye pattern in dielectric barrier discharge (DBD) in air. The electron density is investigated by stark broadening of spectral line profile, and the molecule vibrational temperature is calculated by analyzing the intensity ratio of lines in the second positive system (SPS) of N₂ (C³ ∏_u −B³∏_g). The results show that the vibrational temperature and electron density of the spot in white-eye pattern is slightly different from that of the background in white-eye pattern. It indicates that both the spot discharge and the background discharge are microdischarges.

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Zengchao Zhao, Lifang Dong, Yuyan Qi, Yafeng He, and Yonghui Li "Measurement of self-organization pattern in dielectric barrier discharge by a special photoelectronic detection system", Proc. SPIE 6834, Optical Design and Testing III, 683425 (28 November 2007); https://doi.org/10.1117/12.755539

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