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논문 기본 정보

자료유형
학술저널
저자정보
Joo Hwan Lee (Yonsei University) Joonsuk Kim (Yonsei University) Yuna Kim (Yonsei University) Sangin Kim (Yonsei University) Doo-Soo Kim (Agency for Defense Development) Yongshik Lee (Yonsei University) Jong-Gwan Yook (Yonsei University)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.18 No.1
발행연도
2018.1
수록면
63 - 69 (7page)

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초록· 키워드

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This work demonstrates attenuation effects of plasma on waves propagating in the 26.5–40 GHz range. The effect is investigated via experiments measuring the transmission between two Ka-band horn antennas set 30 cm apart. A dielectric-barrier-discharge (DBD) plasma generator with a size of 200 mm × 100 mm × 70 mm and consisting of 20 layers of electrodes is placed between the two antennas. The DBD generator is placed in a 400 mm × 300 mm × 400 mm acrylic chamber so that the experiments can be performed for plasma generated under various conditions of gas and pressure, for instance, in air, Ar, and He environments at 0.001, 0.05, and 1 atm of pressure. Attenuation is calculated by the difference in the transmission level, with and without plasma, which is generated with a bias voltage of 20 kV in the 0.1–1.4 kHz range. Results show that the attenuation varies from 0.05 dB/m to 9.0 dB/m depending on the environment. Noble gas environments show higher levels of attenuation than air, and He is lossier than Ar. In all gas environments, attenuation increases as pressure increases. Finally, electromagnetic models of plasmas generated in various conditions are provided.

목차

Abstract
I. INTRODUCTION
II. EXPERIMENTAL SETUP
III. PLASMA GENERATION IN VARIOUS ENVIRONMENT
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
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