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[Study on the microdischarge in dielectric barrier discharge by optical method]
Zeng-qian Yin1, Li-fang Dong, Xue-chen Li
1College of Physics Science & Technology, Hebei University, Baoding 071002, China.
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|September 5, 2003
Summary
Global light emission measurements in dielectric barrier discharge (DBD) correlate with current pulses, enabling optical current measurement. This method reveals temporal microdischarge dynamics, crucial for understanding DBD spatiotemporal behavior.
Area of Science:
- Plasma physics
- Electrical engineering
Context:
- Dielectric barrier discharge (DBD) is a complex plasma phenomenon.
- Understanding microdischarge dynamics is key to controlling DBDs.
- Current measurement in DBDs can be challenging.
Purpose:
- To investigate the correlation between light emission and current in pattern mode DBD.
- To demonstrate optical methods for measuring discharge current.
- To obtain temporal information about microdischarges.
Summary:
- Global light emission and global current in pattern mode air DBD were measured and compared.
- A strong correspondence was found between the timing and amplitude of light emission pulses and current pulses.
- This indicates that optical methods can be used to measure discharge current.
Impact:
- Enables non-invasive current measurement in DBDs.
- Provides a new method for studying the temporal aspects of microdischarges.
- Contributes to a deeper understanding of spatiotemporal dynamics in gas discharges.
- Valuable for research in gas discharge physics and applications.