The transmission spectrum switching speed of electromagnetic band gap plasma structure

The transmission spectrum switching speed of electromagnetic band gap (EBG) plasma structure formed by pulse discharges at atmospheric pressure was under investigation. The ability to obtain a nanosecond transmission spectrum switching time of plasma EBG structures was demonstrated. The time resolved H_α and H_β lines profiles were registered. Time behaviour of electron density during the discharge and time evolution of electron concentration were determined. The dependence of current growth rate and fall rate of transmitted microwave power on the applied voltage pulses were determined. (paper)