Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Hee Myung Shin"'
Autor:
Phil Yong Oh, Eun Ha Choi, Min Wug Moon, Guangsup Cho, Young June Hong, Hee Myung Shin, Yoonho Seo
Publikováno v:
IEEE Transactions on Plasma Science. 37:184-189
We have generated the Ar plasma in the diode chamber based on the established coaxial electrode type and investigated the emitted visible light for emission spectroscopy. The optical emission spectrum data have been obtained for the focused plasma in
Autor:
Kyu B. Jung, Eun Ha Choi, Wook Jeon, Hee Myung Shin, Yoonho Seo, Won Bae Park, Min Wug Moon, Jeong Eun Lim
Publikováno v:
IEEE Transactions on Plasma Science. 34:937-944
Numerical simulation studies of a coaxial virtual cathode oscillator with and without a bar reflector have been performed by the three-dimensional particle-in-cell (PIC) code, MAGIC. Also, the experimental studies are performed in our high-power micr
Autor:
Eun Ha Choi, Yoon Jung, Chun Ho Kim, S.H. Choi, Hee Myung Shin, Jae Woon Ahn, Myung C. Choi, Yoonho Seo, Kie Back Song, Dong Woo Lim, Han Sup Uhm, Jae Min Lee
Publikováno v:
IEEE Transactions on Plasma Science. 30:1728-1732
When an electron beam is generated from a cathode, an electrode sheath plasma is also generated. Hence, the perveance of the diode is varied and changes the diode output characteristics. In our pulsed-power system "Chundoong," the perveance character
Publikováno v:
IEEE Transactions on Plasma Science. 25:400-404
The pulsewidth and rising time of a mildly relativistic electron beam (300 kV, 1-3 kA) passing through a gas-filled diode region are investigated experimentally under various gas pressures P. The pulsewidth and rising time of a relativistic electron
Autor:
Young June Hong, Min Wug Moon, Ki Baek Song, Phil Yong Oh, Byoung Hee Hong, Hee Myung Shin, Eun Ha Choi
Publikováno v:
2007 16th IEEE International Pulsed Power Conference; 2007, p1715-1719, 5p
Autor:
Eun Ha Choi, Young June Hong, Hee Myung Shin, Ki Baek Song, Min Wug Moon, Won-Ju Yi, Byoung Hee Hong, Phil Yong Oh
Publikováno v:
2007 IEEE 34th International Conference on Plasma Science (ICOPS).
Summary form only given. We have generated the argon plasma in the diode chamber based on the established coaxial electrode type and investigated the emitted visible light for emission spectroscopy. We applied various voltages 2-3.5 kV to the device
Publikováno v:
2007 IEEE 34th International Conference on Plasma Science (ICOPS).
Summary form only given. We have investigated an efficiency enhancement of high power microwave generation from axial virtual cathode oscillator by adopting a bar type reflector in this experiment. This high power microwave generator is powered by th
Publikováno v:
IEEE Conference Record - Abstracts. 1996 IEEE International Conference on Plasma Science.
Summary form only given, as follows. Using a mildly relativistic electron beam (300 kV, 40 kA, 60 ns) with a foilless diode in a beam-induced plasma channel, the effect of return current has been investigated experimentally. The pressure of filling g
Autor:
Young June Hong, Yong Oh, Phil, Min Wug Moon, Hee Myung Shin, Yoonho Seo, Guangsup Cho, Eun Ha Choi
Publikováno v:
IEEE Transactions on Plasma Science; Jan2009, Vol. 37 Issue 1, p184-189, 6p
Autor:
Wook Jeon, Jeong Eun Lim, Min Wug Moon, Kyu Bong Jung, Won Bae Park, Hee Myung Shin, Yoonho Seo, Eun Ha Choi
Publikováno v:
IEEE Transactions on Plasma Science; Jun2006 Part 3, Vol. 34 Issue 3, p937-944, 8p, 8 Black and White Photographs, 3 Diagrams, 1 Chart, 11 Graphs