Measurement of spatio-temporal dynamics of the square superlattice pattern in dielectric barrier discharge by using photoelectric method

Weili Fan; Lifang Dong; Yafeng He; Ruiling Gao

doi:10.1117/12.790754

3 March 2008 Measurement of spatio-temporal dynamics of the square superlattice pattern in dielectric barrier discharge by using photoelectric method

Weili Fan, Lifang Dong, Yafeng He, Ruiling Gao

Author Affiliations +

Proceedings Volume 6621, International Symposium on Photoelectronic Detection and Imaging 2007: Photoelectronic Imaging and Detection; 662111 (2008) https://doi.org/10.1117/12.790754
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China

Abstract

A dielectric barrier discharge system with two liquid electrodes and a photoelectric detection system are specially designed to study the spatiotemporal dynamics of square superlattice pattern. Two different types of square superlattice patterns are observed for the first time. They are both composed of the square arranged large and small spots (filaments), while one is without the glow background (type I), and the other one has (type II). The photoelectric measurements indicate that they have the same spatial-temporal behaviors, which are an interleaving of two transient square sublattices - the small-spot square sublattice (S) and the large-spot square sublattice (L). The emerging sequence of the two sublattices in a one cycle of the applied voltage is S-L-L-S-L-L, which is harmonic with the forcing frequency. The dynamic of the glow background of the type II square superlattice pattern is also studied. It is found that the glow background discharge three times in each half cycle of the applied voltage, going with the emergence of each sublattice.

Citation Download Citation

Weili Fan, Lifang Dong, Yafeng He, and Ruiling Gao "Measurement of spatio-temporal dynamics of the square superlattice pattern in dielectric barrier discharge by using photoelectric method", Proc. SPIE 6621, International Symposium on Photoelectronic Detection and Imaging 2007: Photoelectronic Imaging and Detection, 662111 (3 March 2008); https://doi.org/10.1117/12.790754

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