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ABSTRACT
Under atmospheric pressure, dielectric barrier discharge (DBD) with a plasma layer is utilized to produce large-volume plasma without a vessel. When a 16-kV bias at 1 kHz is applied to 85 copper strips, the DBD actuator generates plasma with the dimensions 170 × 170 × 1 mm. When the incident wave with an electric wave vector perpendicular to the strip array is illuminated, the monostatic radar cross section (RCS) is reduced by a maximum of 3.5 dB. The measured results are validated using full-wave simulation based on homogeneous plasma, with estimated plasma parameters. By changing the number of copper strips connected to the feed line, the relative volume of plasma can be changed. If the relative volume decreases by 20%, the maximum RCS reduction is reduced by nearly 20%. This demonstrates the possibility of using plasma to control monostatic RCS in a wide bandwidth.
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Yuna Kim
Yuna Kim received the B.S. degree in Electrical and Electronic Engineering from Yonsei University, Seoul, Korea, in 2012, and is currently working toward the Ph.D. degree in Electrical and Electronic Engineering at Yonsei University. Her current research interests are plasma analysis, HEMP coupling, numerical analysis based on multi-physics including thermodynamics and electromagnetics. Recent research has focused on electric problems caused by high temperatures in circuit.
Sangin Kim
Sangin Kim received his B.S. degree in electrical and electronic engineering from Yonsei University, Seoul, South Korea, in 2015. He is currently working toward his Ph.D. degree in electrical and electronic engineering at Yonsei University. His current research interests are HEMP, electromagnetic shielding analysis, plasma analysis, vital sign sensor, and radio frequency system. His recent research focuses on electric problems caused by HEMP.
Yongshik Lee
Yongshik Lee received the B.S. degree from Yonsei University, Seoul, Korea, in 1998, and the M.S. and Ph.D. degrees in electrical engineering from The University of Michigan at Ann Arbor in 2001 and 2004, respectively. In 2004, he was a postdoctoral research associate at Purdue University, West Lafayette, IN. From 2004 until 2005, he was with EMAG Technologies, Inc., Ann Arbor, MI, as a Research Engineer. In September 2005, he joined Yonsei University, Seoul, Korea, where he is currently a Professor. His current research interests include wireless power transfer, plasma-based electromagnetic cloak, electromagnetic metamaterials, and microwave and millimeter-wave engineering for communication applications.
Jong-Gwan Yook
Jong-Gwan Yook received the B.S. and M.S. degrees in Electronics Engineering from Yonsei University, Seoul, South Korea, in 1987 and 1989, respectively, and the Ph.D. degree from the University of Michigan, Ann Arbor, MI, USA, in 1996. Currently, he is a Professor with the School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea. His main research interests are in the areas of theoretical/numerical electromagnetic modeling and characterization of microwave/millimeter-wave circuits and components, design of radio frequency integrated circuits and monolithic microwave integrated circuits, and analysis and optimization of high-frequency high-speed interconnects, including signal/power integrity, based on frequency as well as time-domain full-wave methods. Recently, his research team developed various biosensors, such as carbon nanotube RF biosensors for nanometer-sized antigen-antibody detection as well as remote wireless vital signal monitoring sensors.