International Conference

 

2016

  • Holak Kim, Seunghun Lee, Junbum Kim, Youbong Lim and Wonho Choe, "Multiply charged ion generation according to magnetic field configurations in Hall thruster plasmas", 69th Annual Gaseous Electronics Conference(Bochum, Germany, 2016.10.10-14)
  • Seunghun Lee, Holak Kim, Junbum Kim, Youbong Lim and Wonho Choe, "Magnetic Field Tailored Annular Hall Thruster with Anode Layer", 69th Annual Gaseous Electronics Conference(Bochum, Germany, 2016.10.10-14)
  • Jooyoung Park and Wonho Choe, "Role of atmospheric-pressure-plasma produced chemical species in biofilm activation", 6th International Conference on Microelectronics and Plasma Technology(Gyeongju, Korea, 2016.09.26-29)
  • Jooyoung Park, Wonho Choe, Youbong Lim, Minsung Kook, Wooryong Han and Jonghyun Lee "Low temperature plasma sterilization inside a packaging pouch", 20th International Vacuum Congress (Busan, Korea, 2016.08.21-26)
  • Holak Kim, Seunghun Lee, Youbong Lim, Junbum Kim and Wonho Choe, "Plume and beam properties of miniaturized low-power cylindrical Hall thruster for micro-satellites"(oral presentation), 52nd AIAA/SAE/ASEE Joint Propulsion conference(Salt Lake City, USA, 2016.07.25-27)
  • Seunghun Lee, Holak Kim, Junbum Kim, Youbong Lim and Wonho Choe, "Annular Hall thruster with high anode efficiency"(oral presentation), 52nd AIAA/SAE/ASEE Joint Propulsion conference(Salt Lake City, USA, 2016.07.25-27)
  • Holak Kim, Seunghun Lee, Youbong Lim, and Wonho Choe, "Development of a low-power cylindrical type Hall thruster with permanent magnets for micro-satellites"(oral presentation), The 8th Asian Joint Conference on Propulsion and Power (AJCPP) (Kagawa, Japan, 2016.03.16-19)
  • Seunghun Lee, Holak Kim, Youbong Lim, and Wonho Choe, "High performance annular Hall plasma thruster with tailored magnetic field"(oral presentation), The 8th Asian Joint Conference on Propulsion and Power (AJCPP) (Kagawa, Japan, 2016.03.16-19)

2015

  • Sanghoo Park, Wonho Choe, Se Youn Moon, and Jian Jun Shi, "Electron Information of Single and Dual Rf Driven Capacitive Discharges at Atmospheric Pressure (oral presentation)", 68th Gaseous Electronics Conference (Honolulu, USA, 2015.10.12-16)
  • Sanghoo Park, Youbong Lim, Joo Young Park, Hyun-Hoo Kim, Samooel Jung, Hae In Young, Cheorun Jo, and Wonho Choe, "Analysis and Utilization of Plasma Treated Water for Food and Agricultural Interest", 68th Gaseous Electronics Conference (Honolulu, USA, 2015.10.12-16)
  • Sanghoo Park, Youbong Lim, Hyun-Joo Kim, Hae In Yong, Cheorun Jo, and Wonho Choe, "Key Chemical Species in Plasma Treated Water for Food and Agriculture Applications", 10th AEPSE (Jeju, Korea, 2015.9.20-24)
  • Sanghoo Park, Juhyeok Jang, Sung Jae Hong, Byung Hee Koo, and Wonho Choe, "Preliminary Result of Tomographic Diagnostics for Plasma Spatial Uniformity of 8G Plasma Etching Device", 10th AEPSE (Jeju, Korea, 2015.9.20-24)
  • Holak Kim, Youbong Lim, Seunghoon Lee, Jongho Seon, and Wonho Choe, "Plasma Characteristics related to Multiply charged ions in Hall Effect Ion beam Sources", 10th AEPSE (Jeju, Korea, 2015.9.20-24)
  • Holak Kim, Youbong Lim, Jongho Seon, and Wonho Choe, Characteristics of the Ion Beam and Performance related to Multiply Charged Ions in Annular and Cylindrical type Hall Thruster Plasmas", 30th ISTS, 34th IEPC & 6th NSAT Joint Conference (Kobe-Hyogo, Japan, 2015.07.04-07.10)
  • Holak Kim, Youbong Lim, Jongho Seon, and Wonho Choe, "Multiply Charged Ions Depending on Magnetic Field Configuration in Hall Thruster Plasmas", 30th ISTS, 34th IEPC & 6th NSAT Joint Conference (Kobe-Hyogo, Japan, 2015.07.04-07.10)
  • Youbong Lim, Holak Kim, Jae Sun Park, Jongho Seon, and Wonho Choe, "Nonlinear Ion Acceleration in Hall Thruster Plasmas with Transit-Time Instability", 30th ISTS, 34th IEPC & 6th NSAT Joint Conference (Kobe-Hyogo, Japan, 2015.07.04-07.10)
  • Youbong Lim, Holak Kim, Jae Sun Park, Jongho Seon, and Wonho Choe, "Azimuthal Distribution of Neutral and Electron Densities Reconstructed from Optical Emission Images of Hall Thruster Plasma", 30th ISTS, 34th IEPC & 6th NSAT Joint Conference (Kobe-Hyogo, Japan, 2015.07.04-07.10)
  • Holak Kim, Youbong Lim, Jongho Seon, and Wonho Choe, "Multiply charged ions in Hall thruster plasmas", 2015 ICOPS (Belek, Antalya, Turkey, 2015.5.24-28)
  • Sanghoo Park, Se Youn Moon, Wonho Choe, Kijung, Kim, and Joo Young Park, "Electron properties of radio-frequency capacitive discharge at atmospheric pressure (oral presentation)", 2015 ICOPS (Belek, Antalya, Turkey, 2015.5.24-28)
  • J. S. Park, J. Jang, H. Y. Lee, J. Hong, T. Jeon, I. W. Song, and W. Choe, "Neural Network Techniques for KSTAR Plasma Diagnostics and Disruption Prediction", 7th A3 Workshop (Chuncheon, Korea, 2015.5.19-22)
  • H. Y. Lee, S. H. Hahn, W. H. Ko, J. H. Lee, S. W. Yoon, H. Han, June-Woo Juhn, Y.-c. Ghim, Y. W. Nam, H. H. Lee, Seung Hun Lee, Joohwan Hong, Juhyeok Jang, Jae Sun Park, and Wonho Choe, “Experiment on Edge Localized Mode Mitigation by Supersonic Molecular Beam Injection in KSTAR", KSTAR Conference 2015 (Daejeon, Korea, 2015.2.25-2.27)
  • H. Y. Lee, Inwoo Song, Suk-Ho Hong, Seung Hun Lee, Joohwan Hong, Juhyeok Jang, Taemin Jeon, Jae Sun Park, and Wonho Choe, “Performance test of gun-type metal impurity injection system for KSTAR", KSTAR Conference 2015 (Daejeon, Korea, 2015.2.25-2.27)
  • Seung Hun Lee, D. Pacella, Taemin Jeon, Juhyeok Jang, H. Y. Lee, Joohwan Hong, Jae Sun Park, In Woo Song, Siwon Jang, S. G. Lee, and Wonho Choe, “Experimental results of KSTAR H-mode plasmas with a tangential GEM X-ray camera: Ar impurity dynamics, localization effects of ECH, and edge cooling by SMBI", KSTAR Conference 2015 (Daejeon, Korea, 2015.2.25-2.27)
  • Joohwan Hong, Seung Hun Lee, C. R. Seon, H. Y. Lee, J. H. Jeong, S. G. Lee, K. D. Lee, J. H. Lee, Siwon Jang, S. Henderson, Inwoo Song, Juhyeok Jang, Taemin Jeon, Jae Sun Park, and Wonho Choe “Effects of ECH on Argon impurity transport in KSTAR H-mode plasmas", KSTAR Conference 2015 (Daejeon, Korea, 2015.2.25-2.27)
  • Juhyeok Jang, Seung Hun Lee, Joohwan Hong, H. Y. Lee, Junghee Kim, Jae Sun Park, Siwon Jang, Taemin Jeon, Inwoo Song, and Wonho Choe, “Development of multi-energy soft X-ray array diagnostics for visualization of KSTAR plasma", KSTAR Conference 2015 (Daejeon, Korea, 2015.2.25-2.27)
  • J. S. Park, J. Jang, S. H. Lee, H. Y. Lee, J. Hong, T. Jeon, I. W. Song, and Wonho Choe, “Neural networks for edge electron temperature reconstruction from soft X-ray diagnostics", KSTAR Conference 2015 (Daejeon, Korea, 2015.2.25-2.27)
  • H. Y. Lee, Inwoo Song, Suk-Ho Hong, Joohwan Hong, Seung Hun Lee, Juhyeok Jang, Taemin Jeon, Jae Sun Park, L. Roquemore, and Wonho Choe, “Development of Impurity Particle Injection Systems for Impurity Transport Study in KSTAR", A3 Foresight Program Workshop (China, 2015.1.6-1.9)
  • Joohwan Hong, Seung Hun Lee, H. Y. Lee, Juhyeok Jang, Jae Sun Park, Taemin Jeon, Inwoo Song, and Wonho Choe, “Effects of non-resonant magnetic perturbation on impurity transport in KSTAR L-mode plasma", A3 Foresight Program Workshop (China, 2015.1.6-1.9)
  • Juhyeok Jang, Seung Hun Lee, Joohwan Hong, H. Y. Lee, Junghee Kim, Jae Sun Park, Siwon Jang, Taemin Jeon, Inwoo Song, and Wonho Choe, “Development of multi-energy soft X-ray array diagnostics on KSTAR for MHD mode structure analysis", A3 Foresight Program Workshop (China, 2015.1.6-1.9)

2014

  • Holak Kim, Youbong Lim, Jongho Seon, and Wonho Choe, “Multiply Charged Ions and the Performance Characteristics of Annular and Cylindrical Hall Thruster Plasmas", 1st Korea-Japan Workshop on Electric propulsion (Daejeon, Korea, 2014.12.01-12.02)
  • Youbong Lim, Holak Kim, Jongho Seon, and Wonho Choe, “High-energy tail formation in an ion energy distribution function in cylindrical Hall thruster plasmas", 1st Korea-Japan Workshop on Electric propulsion (Daejeon, Korea, 2014.12.01-12.02)
  • Holak Kim, Youbong Lim, Jongho Seon, and Wonho Choe, “Ion beam and performance characteristics in the presence of multiply charged ions in annular and cylindrical type Hall thruster plasmas", 67th Gaseous Electronics Conference (Raleigh, USA, 2014.11.2-11.7)
  • Youbong Lim, Holak Kim, Jaesun Park, Jongho Seon, and Wonho Choe, “High-energy tail formation in an ion energy distribution function in the cylindrical Hall thruster plasma", 67th Gaseous Electronics Conference (Raleigh, USA, 2014.11.2-11.7)
  • Sanghoo Park, Se Youn Moon, and Wonho Choe, “Electron density and temperature diagnostics for atmospheric pressure plasmas using continuum radiation", 67th Gaseous Electronics Conference (Raleigh, USA, 2014.11.2-11.7)
  • Jae Sun Park, Juhyeok Jang, Seung Hun Lee, H. Y. Lee, Joohwan Hong, Taemin Jeon, In Woo Song, and Wonho Choe, “Study on Electron Temperature Reconstruction Using Neural Networks in KSTAR”, 7th Japan-Korea Seminar on Advanced Diagnostics for Steady-State Fusion Plasmas (Kyoto, Japan, 2014.8.17-8.20)
  • Taemin Jeon, Siwon Jang, S. G. Lee, C. H. Lim, H. O. Kim, Seung Hun Lee, Joohwan Hong, Juhyeok Jang, Jae Sun Park, M. K. Moon, and Wonho Choe, “Experimental result of a tangential soft x-ray pinhole camera system with a duplex MWPC in KSTAR Plasma”, 7th Japan-Korea Seminar on Advanced Diagnostics for Steady-State Fusion Plasmas (Kyoto, Japan, 2014.8.17-8.20)
  • Sanghoo Park, Youbong Lim, Hyun-Joo Kim, Hae In Yong, Cheorun Jo, and Wonho Choe, “Study of key chemical components in air discharge irradiated solution (ADIS) for food and agriculture application (MODIFIED)”, ICMAP 2014 (Gunsan, Korea, 2014.7.7-7.11)
  • Sanghoo Park and Wonho Choe, “Time-resolved continuum radiation emitted from the helium plasma jet at atmospheric pressure”, 19th Korea-Japan workshop for Advanced Plasma Process and Diagnostics (Gunsan, Korea, 2014.7.6-7.7)
  • Sanghoo Park and Wonho Choe, “Discharge characteristics of an argon pulsed plasma jet at atmospheric pressure”, 18th Korea-Japan workshop for Advanced Plasma Process and Diagnostics (Fukuoka, Japan, 2014.2.7-2.8)

 

2013

  • Sanghoo Park, Juhyeok Jang, and Wonho Choe, “Development of optical emission uniformity diagnostics for multiple meter size plasmas”, 1st International Conference on Surface Engineering (ICSE 2013) (Busan, Korea, 2013.11.18 -11.21)
  • Seung Hun Lee, Siwon Jang, Juhyeok Jang, Joohwan Hong, Taemin Jeon, Juhyung Kim and Wonho Choe, “Characterization of MHD instabilities during sawtooth crashes visualized by soft X-ray imaging diagnostics on KSTAR”, 9th Asia Plasma and Fusion Association Conference in Gyeongju (gyeongju, Korea, 2013.11.5 -11.8)
  • Siwon Jang, S. G. Lee, C. H. Lim, S. H. Lee, J .H. Hong, J. H. Jang, T. M. Jeon, D. Pacella, M. K. Moon, and Wonho Choe, "Experimental measurement of soft x-ray emissivity distribution in KSTAR plasma using tangential x-ray pinhole cameras", 9th Asia Plasma and Fusion Association Conference in Gyeongju (gyeongju, Korea, 2013.11.5 -11.8)
  • Joohwan Hong, Seung Hun Lee, Juhyung Kim, Jae Sun Park, H. Y. Lee, Juhyeok Jang, Siwon Jang, Taemin Jeon, S. G. Lee, C. R. Seon, G. Y. Park, K. D. Lee, Junghee Kim, S. Henderson. M.O’Mullane and Wonho Choe, "ECH effects on argon impurity transport in KSTAR L-mode plasmas", 9th Asia Plasma and Fusion Association Conference in Gyeongju (gyeongju, Korea, 2013.11.5 -11.8)
  • Juhyeok Jang, Seung Hun Lee, H. Y. Lee, Joohwan Hong, C. R. Seon, Siwon Jang, Taemin Jeon, Juhyung Kim and Wonho Choe, "Measurement of total radiation power using AXUV photodiodes of soft X-ray diagnostic system on KSTAR", 9th Asia Plasma and Fusion Association Conference in Gyeongju (gyeongju, Korea, 2013.11.5 -11.8)
  • H.Y.Lee, Suk-Ho Hong, Joohwan Hong, Seung Hun Lee, Siwon Jang, Juhyeok Jang, Taemin Jeon, Jaesun Park and Wonho Choe, "Measurement of total radiation power using AXUV photodiodes of soft X-ray diagnostic system on KSTAR", 9th Asia Plasma and Fusion Association Conference in Gyeongju (gyeongju, Korea, 2013.11.5 -11.8)
  • Holak Kim, Youbong Lim, Mihui Seo, Jongho Seon, Hae June Lee and Wonho Choe, "Comparison of the Xe ion beam characteristics between annular type and cylindrical type low power Hall thrusters (Oral Speaker)", IEPC 2013 (Washington, D.C., USA, 2013.10.05-10.10)
  • Youbong Lim, Holak Kim, Seung Hun Lee, Jongho Seon, Hae June Lee and Wonho Choe, "Accurate measurement of an ion energy distribution of Hall thruster plasma using an ExB probe (Oral Speaker)", IEPC 2013 (Washington, D.C., USA, 2013.10.05-10.10)
  • Sanghoo Park, Se Youn Moon, Jaeyoung Park, and Wonho Choe, "Continuum radiation and electron diagnostics in atmospheric pressure plasmas", ICPIG2013 (Granada, Spain, 2013.7.14-7.19)
  • Siwon Jang, S. G. Lee, C. H. Lim, H. Y. Kim, S. H. Lee, H. Y. Lee, J .H. Hong, J. H. Jang, T. M. Jeon, M. K. Moon and Wonho Choe, "Preliminary result of an advanced tangential x-ray pinhole camera system with a duplex MWPC on KSTAR plasmas", 15th International Workshop on Radiation Imaging Detectors (Paris, France, 2013.6.23-6.27)
  • Siwon Jang, S. G. Lee, C. H. Lim, H. O. Kim, S. H. Lee, J .H. Hong, J. H. Jang, T. M. Jeon, M. K. Moon, and Wonho Choe, "An advanced tangential x-ray pinhole camera system with a duplex MWPC for study of the high-m magnetic islands on KSTAR", 3rd Asia Pacific transport Working Group International Conference (Jeju, Korea, 2013.5.21-5.24)
  • H. Y. Lee, S. Kobayashi, M. Yokoyama, T. Harada, T. Mizuuchi, K. Nagasaki, H. Okada, T. Minami, S. Murakami, S. Yamamoto, S. Ohshima, N. Shi, L. Zang, Y. Nakamura, S. Konoshima, N. Kenmochi and F. Sano “Experimental Study of Effect of Magnetic Field Configuration on Parallel Plasma Flow in Heliotron J", 3rd Asia Pacific transport Working Group International Conference (Jeju, Korea, 2013.5.21-5.24)
  • Seung Hun Lee, Siwon Jang, Joohwan Hong, Juhyeok Jang, Taemin Jeon, Junghee Kim, C. R. Seon, Jayhyun Kim, Suk-Ho Hong, Jongha Lee, S. G. Lee, C. H. Lim, H. Y. Kim, M. K. Moon, I. N. Bogatu, Jin-Soo Kim, S. Henderson, M. O'Mullane, D. Pacella, L. Gabelieri, B. Tilia, V. Piergotti, and Wonho Choe, "Overview of transport study based on X-ray imaging and VUV diagnostics on KSTAR", 2013 A3 Foresight Program Workshop on Critical Physics issues Specific to Steady State Sustainment of High-Performance Plasmas (China, 2013.5.19-24)
  • Joohwan Hong, Seung Hun Lee, Siwon Jang, Juhyeok Jang, Taemin Jeon, S. G. Lee, C. R. Seon, G. Y. Park, J. H. Lee, Junghee Kim, Jayhyun Kim, Suk-Ho Hong, S. Henderson, M. O'Mullane, and Wonho Choe, " Impurity transport analysis of 2012 KSTAR Ar transport experiment", 2013 A3 Foresight Program Workshop on Critical Physics issues Specific to Steady State Sustainment of High-Performance Plasmas (China, 2013.5.19-24)
  • Joohwan Hong, Seung Hun Lee, Siwon Jang, Juhyeok Jang, Taemin Jeon, S. G. Lee, C. R. Seon, G. Y. Park, J. H. Lee, Junghee Kim, Jayhyun Kim, Suk-Ho Hong, S. Henderson, M. O'Mullane, and Wonho Choe, "Argon impurity transport analysis of 2012 KSTAR experiments using UTC-SANCO code", KSTAR Conference 2013 (Chungnam, Korea, 2013.2.26-2.27)
  • J. H. Jang, S. H. Lee, C. R. Seon, S. W. Jang, J. H. Hong, and W. Choe, "Development of tomographic reconstruction method for the ITER VUV imaging diagnostics", KSTAR Conference 2013 (Chungnam, Korea, 2013.2.26-2.27)
  • Siwon Jang, S. G. Lee, C. H. Lim, H. O. Kim, S. H. Lee, J .H. Hong, J. H. Jang, T. M. Jeon, M. K. Moon, and Wonho Choe, "Preliminary result of an advanced tangential x-ray pinhole camera system with a duplex MWPC on KSTAR plasma", KSTAR Conference 2013 (Chungnam, Korea, 2013.2.26-2.27)
  • Seung Hun Lee, Siwon Jang, Joohwan Hong, Juhyeok Jang, Taemin Jeon, Junghee Kim, C. R. Seon, Jayhyun Kim, Suk-Ho Hong, Jongha Lee, S. G. Lee, C. H. Lim, H. Y. Kim, M. K. Moon, I. N. Bogatu, Jin-Soo Kim, S. Henderson, M. O'Mullane, D. Pacella, L. Gabelieri, B. Tilia, V. Piergotti, and Wonho Choe, "Overview of transport investigation related with X-ray imaging diagnostics on KSTAR", KSTAR Conference 2013 (Chungnam, Korea, 2013.2.26-2.27)
  • Sanghoo Park and Wonho Choe, "Control of helium jet trajectory by atmospheric pressure jet plasma", ISPlasma2013 (Nagoya, Japan, 2013.1.28-2.1)
  • Sanghoo Park, Sasa Lazovic, Heesoo Jung, Kilbyoung Chae, Uros Cvelbar, and Wonho Choe, "Electrode material dependence on the characteristics of the single electrode atmospheric pressure jet plasma bullets",15th Korea-Japan workshop for Advanced Plasma Process and Diagnostics (Okazaki, Japan, 2013.1.25-1.27)
  • Siwon Jang, S. G. Lee, C. H. Lim, H. O. Kim, S. H. Lee, J .H. Hong, J. H. Jang, T. M. Jeon, M. K. Moon, and Wonho Choe, "Preliminary result of an advanced tangential x-ray pinhole camera system with a duplex MWPC on KSTAR plasmas", Korea-Japan Workshop on Tomography and Reconstruction in Fusion Plasmas (Kyoto, Japan, 2013.1.22-1.23)
  • Seung Hun Lee, Siwon Jang, Joohwan Hong, Juhyeok Jang, Taemin Jeon, Junghee Kim, C. R. Seon, Jayhyun Kim, Suk-Ho Hong, Jongha Lee, S. G. Lee, C. H. Lim, H. Y. Kim, M. K. Moon, I. N. Bogatu, Jin-Soo Kim, S. Henderson, M. O'Mullane, D. Pacella, L. Gabelieri, B. Tilia, V. Piergotti, and Wonho Choe, "Results of multi-purpose soft X-ray diagnostics from 2012 KSTAR campaign", Korea-Japan Workshop on Tomography and Reconstruction in Fusion Plasmas (Kyoto, Japan, 2013.1.22-23)
  • Joohwan Hong, Seung Hun Lee, Siwon Jang, Juhyeok Jang, Taemin Jeon, S. G. Lee, C. R. Seon, G. Y. Park, J. H. Lee, Junghee Kim, Jayhyun Kim, Suk-Ho Hong, S. Henderson, M. O'Mullane, and Wonho Choe, "Impurity transport analysis of 2012 KSTAR Ar transport experiment by UTC-SANCO code", Korea-Japan Workshop on Tomography and Reconstruction in Fusion Plasmas (Kyoto, Japan, 2013.1.22-23)

 

 2012

  • Sanghoo Park, Heesoo Jung, Sasa Lazovic, Kilbyoung Chae, Uros Cvelbar, Wonho Choe, "Characteristics of single electrode atmospheric pressure jet plasmas depending on electrode materials", 69th IUVSTA workshop (Slovenia, 2012.12.9-12.12)
  • Sanghoo Park, and Wonho Choe, "Longitudinal multi-streamers in helium-nitrogen atmospheric pressure jet plasmas", 11th APCPST & 25th SPSM (Kyoto, Japan, 2012.10.2-10.5)
  • Holak Kim, Mihui Seo, Kijung Kim, Jongho Seon, Hae-June Lee, Wonho Choe, "Development of E x B Probe to Study Hall Thruster Plasma Characteristics", Japan-Korea Seminar on Plasma Diagnostics 2012 (Jeju, Korea, 2012.8.23-8.25)
  • Seung Hun Lee, Kil Byoung Chai, Siwon Jang, J. H. Hong, J. H. Jang, Won-Ha Ko, Junghee Kim, Dongcheol Seo, Jongha Lee, I. N. Bogatu, Jin-Soo Kim, and W. Choe, "Design and fabrication of a multi-purpose soft X-ray diagnostic system for KSTAR", Japan-Korea Seminar on Plasma Diagnostics 2012 (Jeju, Korea, 2012.8.23-8.25)
  • Siwon Jang, C. H. Lim, H. Y. Kim, S. G. Lee, M. K. Moon, S. H. Lee, J. H. Hong, J. H. Jang, T. M. Jeon and Wonho Choe, "Development of an advanced tangential x-ray pinhole camera system with a duplex MWPC for KSTAR", Japan-Korea Seminar on Plasma Diagnostics 2012 (Jeju, Korea, 2012.8.23-8.25)
  • Joohwan Hong, S. H. Lee, S. W. Jang, M. O'Mullane and Wonho Choe, "Study of impurity transport in KSTAR with impurity transport code UTC-SANCO", Japan-Korea Seminar on Plasma Diagnostics 2012 (Jeju, Korea, 2012.8.23-8.25)
  • Ju Hyeok Jang, S. H. Lee, C. R. Seon, S. W. Jang, J. H. Hong and Wonho Choe, "Development of Tomographic Reconstruction Method in ITER", Japan-Korea Seminar on Plasma Diagnostics 2012 (Jeju, Korea, 2012.8.23-8.25)
  • Sanghoo Park and Wonho Choe, "Control of neutral gas flow via electric wind driven by atmospheric pressure jet plasma", ICMAP2012 (Jeju, Korea, 2012.7.4-7.6)
  • Mihui Soe, Jongsub Lee, Jongho Seon, Hae June Lee, Wonho Choe, "Effect of the length of the annular region on performance of cylindrical hall plasma thrusters", ICMAP2012 (Jeju, Korea, 2012.7.4-7.6)
  • Sanghoo Park, and Wonho Choe, "Multi plasma bullets in the capillary dielectric barrier discharge at atmospheric pressure", 15th Korea-Japan workshop for Advanced Plasma Process and Diagnostics (Suwon, Korea, 2012.6.7-6.8)
  • Mihui Soe, Jongsub Lee, Jongho Seon, Hae June Lee, Wonho Choe, "Perfomance characteristics according to the channel length of cylinderical Hall thrusters", Asian Joint Conference on Propulsion and Powers 2012 (Xi'an, China, 2012.3.1-3.4)
  • Sanghoo Park, and Wonho Choe, "Change of plasma characteristics by introducing liquid vapors into plasma", 14th Korea-Japan workshop for Advanced Plasma Process and Diagnostics (Kyushu, Japan, 2012.1.7-1.8)

 

2011

  • Seung Hun Lee, Siwon Jang, Kil Byoung Chai, Won-ha Ko, Dongcheol Soe, Jong-ha Lee, KSTAR team, Wonho Choe, "Imaging diagnostics of soft X-ray emission from KSTAR plasmas with multi-channel photodiode array detector", 2nd International Conference Frontiers in Diagnostic Technologies (Frascati, Italy, 2011.11.28-11.30)
  • Siwon Jang, Y. S. Kim, M. K. Moon, C. H. Lee, J. H. Hong, S. G. Lee, Wonho Choe, "Initial operation of the tangential x-ray pinhole camera diagnostic system for KSTAR plasma", 2nd International Conference Frontiers in Diagnostic Technologies (Frascati, Italy, 2011.11.28-11.30)
  • Kil Byoung Chai, Wonho Choe, “Laser-based measurement of 3-dimensional dust trajectory in plasma”, The 53rd Annual Meeting of the APS Division of Plasma Physics (APS DPP), (Salt Lake City, Utah, USA, 2011.11.13-11.17)
  • Siwon Jang, S.G. Lee, M.K. Moon, C.H. Lim, S.H. Lee, Wonho Choe, "Initial operation of the tangential x-ray pinhole camera system for KSTAR plasma", The 53rd Annual Meeting of the APS Division of Plasma Physics (APS DPP), (Salt Lake City, Utah, USA, 2011.11.13-11.17)
  • Kil Byoung Chai, Wonho Choe, "Laser-aided 3dimensional dust traject", 15th International symposium on Laser-Aided Plasma Diagnostics (Jeju, Korea, 2011.10.9 - 10.13)
  • Wonho Choe, Kil Byoung Chai, Changrae Seon, Seongchong Park, "Laser-based diagnostics of dust particle size and density in low pressure plasmas", 15th International symposium on Laser-Aided Plasma Diagnostics (Jeju, Korea, 2011.10.9 - 10.13)
  • Wonho Choe, Dan Bee Kim, Se Youn Moon, H. Jung, J. K. Rhee, B. Gweon, "Characteristics of atmospheric pressure plasmas at different driving frequency in the low to radio frequency range", the 30th International Conference on Phenomena in Ionized Gases (ICPIG), (Belfast, Northern Ireland, 2011.8.28 - 9.2)
  • Wonho Choe, Dan Bee Kim, Heesoo Jung, Bomi Gweon, Se Youn Moon, "Inactivation of environmentally hazardous materials using non-thermal atmospheric pressure plasmas" the 13th International Workshop on Advanced Plasma Processing and Diagnostics (Daejeon, Korea, 7.21~7.22)
  • Heesoo Jung, Wonho Choe, Hyun Suk Jung, Jaeyoung Park, "Phase transition of TiO2 nano particles induced by low temperature atmospheric pressure plasma treatment", 3 rd International Conference on Microelectronics and Plasma Technology (Dalian, China, 2011.7.4~7.7)
  • Kil-Byoung Chai, Wonho Choe, "Role of plasma density in dust generation, growth, and transport", 3 rd International Conference on Microelectronics and Plasma Technology (Dalian, China, 2011.7.4~7.7)
  • Wonho Choe, Dan Bee Kim, Se Youn Moon, "Characteristics of atmospheric pressure plasma depending on driving frequency in low to radio frequency", 3 rd International Conference on Microelectronics and Plasma Technology (Dalian, China, 2011.7.4~7.7)
  • Mihui Seo, Jongsub Lee, Jongho Seon, Hea June Lee, and Wonho Choe, "Scale effects on the perfomrnace of cylindrical Hall plasma thruster",28 th International Space Technology and Science (Okinawa, Japan, 2011. 6.5~6.12)
  • Jonhho Seon, Wonho Choe, Hae June Lee, Yun Hwang Jung, "Semi-empirical Modeling of Plasma-wall interaction in Hall Thruster",28 th International Space Technology and Science (Okinawa, Japan, 2011. 6.5~6.12)
  • In Cheol Song, Hyo-Won Bae, Wonho Choe, JongHo Seon, Hae June Lee, "Simulation Study of Plasma Kinetics and Instability under Cross Fields in Hall Thrusters",28 th International Space Technology and Science (Okinawa, Japan, 2011. 6.5~6.12)

2010

  • Heesoo Jung, Dan Bee Kim, Bomi Gweon, Jong-Joo Rha, and Wonho Choe, " One dimensional micro-patterning on flexible substrate by low frequency atmospheric pressure micro jet plasma", 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas (Maison de la Chimie, Paris, France,2010. 10.4~10.8)

  • B. Kim, Heesoo Jung, Wonho Choe, Y, Jung, S. Jung, J. S. Ham, and C. Jo,"Effect of atmospheric pressure plasma on Listeria Monocytoges using different gas compositions", The 56th International Congress of Meat Science and Technology (ICC, Jeju, Korea, 2010. 8.15 ~8.20)

  • Heesoo Jung, D. B. Kim, B. Gweon, and Wonho Choe,"Characteristic change of TiO2 particles by the atmospheric pressure plasma treatment and its bio application", The 18th International Conference on Photochemical Conversion and Storage of Solar Energy (Korea University, Seoul, Korea, 2010. 7.25 ~ 7.30)

  • Heesoo Jung, Bomi Gweon, Wonho Choe, "Low frequency atmospheric pressure helium micro plasma jet discharge for different gas flow rates (Oral Speaker)", The 10th Asia Pacific Conference on Plasma Science and Technology (Lotte Hotel, Jeju, 2010. 7. 4 ~ 7. 8).

  • Wonho Choe, B. Gweon. H. Jung. D. Kim, D.B. Kim, S.Y. Moon, J.H.Shin, "Inactivation enhancement of bacteral spores with TiO2 assisted plasma and change of subcellular cytoskeletal structures in human hepatocytes induced by atmospheric pressure plasma (Invited Speaker)", The 10th Asia Pacific Conference on Plasma Science and Technology (Lotte Hotel, Jeju, 2010. 7. 4 ~ 7. 8).

  • Mihui Seo, Jongsub Lee, Jongho Seon, Wonho Choe, "Magnetic field effects on the performance of anode-layer type Hall plasma thruster", The 10th Asia Pacific Conference on Plasma Science and Technology (Lotte Hotel, Jeju, 2010. 7. 4 ~ 7. 8).

  • Bomi Gweon, Dan Bee Kim, Se Youn Moon, Heesoo Jung, Wonho Choe, "Feasibility of curved surface treatment using a bendable planar type plasma source", The 10th Asia Pacific Conference on Plasma Science and Technology (Lotte Hotel, Jeju, 2010. 7. 4 ~ 7.8).

  • Bomi Gweon, Mi Na Kim, Dan Bee Kim, Dae Yeon Kim,Heesoo Jung, Jennifer H. Shin, Wonho Choe, "Differential responses of cancer cells to atmospheric plasma treatment (Oral Speaker)", The 10th Asia Pacific Conference on Plasma Science and Technology (Lotte Hotel, Jeju, 2010. 7. 4 ~ 7. 8).

  • Siwon Jang, SH Lee, SG LEE, W. Choe, "Preliminary design of the tangential X-ray pinhole camera for KSTAR plasma disgnostics", 18th Topical Conference High-Temperature Plasma Diagnostics (NewJersey, USA, 2010. 5. 16 ~ 5. 20).

  • Seung Hun Lee, Won Ha Ko, Dongcheol Seo, Jong Ha Lee and Wonho Choe, "Fabrication of multi-channel soft x-ray diagnostic system for KSTAR", 18th Topical Conference High-Temperature Plasma Diagnostics (NewJersey, USA, 2010. 5. 16 ~ 5. 20).

  • Kilbyoung Chai, Suk-Ho Hong and Wonho Choe, "Lase diagnostics for non-spherical dust particles for tokamak plasmas", 18th Topical Conference High-Temperature Plasma Diagnostics (NewJersey, USA, 2010. 5. 16 ~ 5. 20).

2009

  • Bomi Gweon, Daeyeon Kim, Danbee Kim, Heesoo Jung, Wonho Choe, and Jennifer H. Shin, "Modulation of the cytoskeleton and focal adhesion proteins by atomospheric pressure plasma", Biomedical Engineering Society annual meeting (Pittsburgh, United States, 2009. 10. 7 ~ 10. 10).

  • Jongho Seon, Seongmin Kang, Younho Kim, Eunyong Jeon, Yun-Whang Jeong, Amer Al Sayegh, Jongsub Lee, Mihui Seo, Wonho Choe, and Hitoshi Juninaka, "Development of a 300-W class Hall-effect thruster for small satellites", International Astronautical Congress (Daejeon, Korea, 2009. 10. 12 ~ 10. 16).

  • Wonho Choe, Jongsub Lee, Mihui Seo, Jongho Seon, and Hee Keun Cho, "Development of a 10mN class Hall thruster for STSAT-3 (Oral Speakers) ", International Astronautical Congress (Daejeon, Korea, 2009. 10. 12 ~ 10. 16).

  • Seongmin Kang, Younho Kim, Yunhwang Jeong, Jongho Seon, Jongsub Lee, Mihui Seo, and Wonho Choe, "Performance Characteristics of Cylindrical Hall Thrusters (Oral Speakers) ", The 31th International Electrical Propulsion Conference (Michigan, USA, 2009. 9. 20 ~ 9. 24).

  • Younho Kim, Seongmin Kang, Yunhwang Jeong, Jongho Seon, Junghyun Wee, Hoseong Yoon, Jongsub Lee, Mihui Seo, and Wonho Choe, "Development of Xenon feed system for a 300-W Hall-Thruster (Oral Speakers) ", The 31th International Electrical Propulsion Conference (Michigan, USA, 2009. 9. 20 ~ 9. 24).

  • Dan Bee Kim, H. Jung, B. Gweon, and W. Choe, "Multi-streamer phenomena in atmospheric pressure low frequency corona discharge (Oral Speakers) ", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Dan Bee Kim, H. Jung, B. Gweon, and W. Choe, "Comparative study for plasma biomaterial surface treatments ysing LF and RF micro-jets", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Bomi Gweon, D.Y. Kim, D.B.Kim, H.Jung, S.Y. Moon, J.H. Shin, and W. Choe, "Study of cell-plasma interactions at the atmospheric pressure (Oral Speakers) ", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Seung Hun Lee, and Wonho Choe, "Calculation of time-varying geometry-matrix including magnetics for the analysis of tokamak plasma with tangential-viewing detector ", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Mihui Seo, Jongsub Lee, Jongho Seon, and Wonho Choe, "Dependence of the plasma parameters on the peration condition in a low power Hall thruster",Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Hoyong Park, S.H. Lee, and W. Choe, "Measurement of spatially-resolved excitation temperature profile from tne lime-of-sight-integrated emission signal using Tomography diagnostics and optical emission spectroscopy", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Jongsub Lee, Mihui Seo, Jongho Seon, and Wonho Choe, "Visual observation of Hall thruster intermal plasma and performance enhancement through an efficiency analysis", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • KB Chai, CR Seon, W. Choe, S.Y. Moon , and C.W. Chung, "Synthesis of crystalling silicon quantum dots using silane plasmas for photovoltaics", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • KB Chai, CR Seon, W. Choe, S.Y. Moon , and C.W. Chung, "Role of hydrogen in rf silane plasmas", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

  • Heesoo Jung, Dan Bee Kim, Bomi Gweon, and Wonho Choe, "Characteristic change of various catalysis particles by the atmospheric pressure plasma treatment", Joint International conference of AEPSE/ICMAP/DPS 2009 (Busan, Korea, 2009.09.20 - 09.25).

2008

  • D. Kim, B. Gweon, D. B. Kim, W. Choe, and J. H. Shin, "A Feasibility Study for the Cancer Therapy Using Cold Plasma", The 13th International Conference on Biomedical Engineering (ICBME2008) (Singaproe, 2008.12.03 - 12.06).

  • Junghee Kim, Seung Hun Lee, G. Turri, H. Weisen and W. Choe , "Core plasma behavior during sawtooth activities in highly-elongated ohmic/ECH tokamak plasmas", 50th Annual Meeting of the Division of Plasma Physics, American Physical Society (Dallas, TX, USA, 2008.11.17 - 11.21).

  • W. Choe, Jongsub Lee, Youbong Lim, Mihui Seo, Jongho Seon and Hae June Lee, "Development of a 10 mN Class Hall Thruster for Small Satellites in Korea ", 50th Annual Meeting of the Division of Plasma Physics, American Physical Society (Dallas, TX, USA, 2008.11.17 - 11.21).

  • Seung Hun Lee, Junghee Kim and W. Choe, "Local 3-D Toroidal Plasma Tomography Using the Phillips-Tikhonov Regularization Method", 50th Annual Meeting of the Division of Plasma Physics, American Physical Society (Dallas, TX, USA, 2008.11.17 - 11.21).

  • W.Choe, "Atmospheric pressure glow plasmas: from fundamentals to applications", The 9th Asia-Pacific Conference on Plasma Science and Technology (APCPST) and 21st Symposium on Plasma Science for Materials (SPSM), (Huangshan,China, 2008.10.8 - 10.11).

  • Moon, Se-Youn, "Driving frequency and dual frequency effects on the atmospheric pressure capacitive helium discharge characteristics", The 9th Asia-Pacific Conference on Plasma Science and Technology (APCPST) and 21st Symposium on Plasma Science for Materials (SPSM), (Huangshan,China, 2008.10.8-11).

  • W.Choe, "Dust and PWI(Oral Speakers)", The 4th Korea-Japan Diagnostics Seminar (Pohang,Korea,2008.8.25 - 8.27).

  • Junghee Kim,Seung Hun Lee, S.W.Jang and W.Choe, " Design of the two-color soft x-ray array for tomographic imaging of the electron temperature profile for KSTAR plasmas ", The 4th Korea-Janpan Diagnostics Seminar (Pohang,Korea,2008.8.25 - 8.27).

  • H.Y.Park,C.R. Seon and W.Choe, " Measurement of spatially-resolved optical emission profile from the line of sight integrated emission signal using a geometry-dependent system matrix ", The 4th Korea-Janpan Diagnositcs seminar (Pohang,Korea,2008.8.25 - 8.27).

  • Heesoo Jung,Seung Hun Lee,Junghee Kim,S.Y.Moon,S.Baang,and W.choe, "Laser deflection mehod for electron density and gas temperature measurement ", The 4th Korea-Japan Diagnostics Semina (Pohang,Korea,2008.2008.8.25 - 8.27).

  • Seung Hun Lee, Junghee Kim and W.Choe, "Local Three-dimensional Toroidal Plasma Tomography Using Phillips Tikonov Regularization Method ", The 4th Korea-Japan Diagnostics Seminar (Pohang,Korea,2008.2008.8.25 - 8.27).

  • Seung Heun Lee, Junghee Kim and W.Choe, "Feasibility Study of Local Three-dimensional Toroidal Plasma Tomography Using Phillips-Tikhonov Regularization Method ", 2nd ITER International Summer School (Fukuoka,Japan,2008.7.22 - 7.25).

  • S. Y. Moon, D. B. Kim, B. M. Gweon, C. R. Jo and W. Choe "Feasibility study of the sterilization of pork and human skin surface by atmospheric pressure plasmas ", 1st ICMAP (Jeju, Korea, 2008.8.18 - 8.20).

  • Wang Sun Lim, Hae June Lee, Wonho Choe, Jongho Seon, "A two-dimensional particle-in-cell simulation of stationary plasma thruster discharges", ICOPS 2008·The 35th IEEE Intermational Conference on Plasma Science (Karlsruhe, Germany, 2008. 6.15 - 6.19).

  • B.Gweon, D.B.Kim, S.Y.Moon, W.Cheo, S.Song, D.Kim, J.H.Shin "Feasibility Study of Atmospheric Pressure Plasma Treatments of HEPG-2 and SK-HEP-1 Cancer Cells", ICOPS 2008·The 35th IEEE Intermational Conference on Plasma Science (Karlsruhe, Germany, 2008. 6.15 - 6.19).

  • D.B.Kim, B.Gweon, S.Y.Moon, W. Cheo, " Decontamination of Chemical Warefare Agent Simulator Dimethyl Methylphosphonate (DMMP) Using RF Large Area Non-Thermal Atomospheric Pressure Plasma", ICOPS 2008·The 35th IEEE Intermational Conference on Plasma Science (Karlsruhe, Germany, 2008. 6. 15 - 19).

  • Wonho Choe, Jongho Seon, Hea-June Lee, "Development of a 10mN-class Hall thruster for Small Satellites in Korea", 26th International Symposium on Space Technology and Science (Hamamatsu City, Japan, 2008. 6. 1~ 6. 8).

  • Wonho Choe, Youbong Lim, Jongsub Lee, Mihui Seo, Jongho Seon, Hea June Lee, "Thrust Measurement Using a Simple Set-up with a He-Ne Laser and a Position Sensitive Diode Detector", 26th International Symposium on Space Technology and Science (Hamamatsu City, Japan, 2008. 6. 1~ 6. 8).

  • K. B. Chai, C. R. Seon, W. Choe, S. Park, and C. W. Chung, "Electron Temperature and Density Variation by Temporal Evolution of Nano Particle Growth in rf Silane Plasma" , Fifth Intermational Confence on Physics of Dusty Plasmas (Ponta Delagada, Azores, 2008. 5. 18~ 5. 23).

  • C.R. Seon, K. B. Chai, W. Choe, S. Park, and C. W. Chung, " Plasma Parameter Dependene of Critical Particle Sizes at the Moment of Void Formation in rf Silane Plasmas", Fifth Intermational Confence on Physics of Dusty Plasmas (Ponta Delagada, Azores, 2008. 5. 18~ 5. 23).

  • Jongsub Lee, Jongho Seon, Jaeheung Park, Yubong Lim, Mihui Seo, Hea-June Lee and W.Choe, "A Two-Dimensional Particle-In-Cell Simulation for the Acceleratrion Channel of a Hall thruster", Asian Joint Conference on Propulsion and Power 2008 (Gyeongju, Korea, 2008. 3. 6~ 3. 8).

  • Jongsub Lee, Jongho Seon, Jaeheung Park, Yubong Lim, Mihui Seo, Hea-June Lee and W.Choe, "Development of 10-mN class HAll thruater and its performance optimization through numerical analysis", Asian Joint Conference on Propulsion and Power 2008 (Gyeongju, Korea, 2008. 3. 6~ 3. 8).

2007

  • Youbong Lim, Jongsub Lee, Mihui Seo, Jaejin Lee and W. Choe, "Plasma fluctuation in cylindrical Hall thruster plasmas",Performance Characteristics of Cylindrical Hall Thrusters). The 30th International Electrical Propulsion Conference (Florence, Italy, 2007. 9. 17 ~ 9. 20).

  • Jongsub Lee, Youbong Lim, Mihui Seo, Jaejin Lee and W. Choe, "Dependence of Low Power Cylindrical Hall Thruster Performance on Magnetic Field Configuration", The 30th International Electrical Propulsion Conference (Florence, Italy, 2007. 9. 17 ~ 9. 20).

  • C. R. Seon, K. B. Chai, H. Y. Park, and W. Choe, "Effects of UV irradiation on the particle growth in low pressure silane plasmas", The 34th International Conference on Plasma Science (Albuquerque, NM, USA, 2007. 6. 18 ~ 6. 22).

  • K. B. Chai, C. R. Seon, and W. Choe, "Multi optical passes method for measuring 2-D particle size distribution in plasmas", The 34th International Conference on Plasma Science (Albuquerque, NM, USA, 2007. 6. 18 ~ 6. 22).

  • Bomi Gweon, Dan Bee Kim, J. K. Rhee, S. Y. Moon, and W. Choe, "Study of RF plasma characteristics and plasma sterilization at the atmospheric pressure ", The 34th International Conference on Plasma Science (Albuquerque, NM, USA, 2007. 6. 18 ~ 6. 22).

  • Dan Bee Kim, J. K. Rhee, B. Gweon, S. Y. Moon, and W. Choe, "Comparative study of atmospheric pressure LF and RF micro jet plasmas produced in a single eletrode system", The 34th International Conference on Plasma Science (Albuquerque, NM, USA, 2007. 6. 18 ~ 6. 22).

  • Seung Hun Lee, Junghee Kim, S. Y. Moon, and W. Choe, "Electron density measurement for microwave-induced atmospheric pressure plasmas using laser deflection method", The 34th International Conference on Plasma Science (Albuquerque, NM, USA, 2007. 6. 18 ~ 6. 22).

2006

  • Seung Hun Lee, Junghee Kim, and W. Choe, "Tomography Methods for Toroidal Plasma Diagnostics", The 3rd Japan-Korea Seminar on Advanced Diagnostics for Steady-State Fusion Plasmas (Matsushima, Miyagi, Japan, 2006. 8. 31 ~ 9. 3).

  • Junghee Kim, Seung Hun Lee, and W. Choe, "R&D activities of soft X-ray tomographic array diagnostic system for KSTAR plasmas", The 3rd Japan-Korea Seminar on Advanced Diagnostics for Steady-State Fusion Plasmas (Matsushima, Miyagi, Japan, 2006. 8. 31 ~ 9. 3).

  • Seung Hun Lee, Junghee Kim, Sang Hyun Choi, and W. Choe, 2006/11 48th APS DPP meeting, “Local three-dimensional tokamak plasma tomography using nonlinear weight matrix” at Philadelphia, PA, US

  • Danbee Kim, J.K. Rhee, B. Gweon, and W. Choe, 2006/11 48th APS DPP meeting, "Generation of micro-jet atmospheric pressure plasmas and study of their characteristics" at Philadelphia, PA, US

  • W. Choe, C.R. Seon, K.B. Chai, H.Y. Park, Y.H. Shin, and K.H. Chung, 2006/11 48th APS DPP meeting, "Dust particle size measurement by the multi-channel laser light scattering method" at Philadelphia, PA, US

  • H. Y. Park, J. H. In, H. Y. Chang, W. Choe, 2006/10 59th GEC, "Comparison of excitation tenperature and electron temperature in low pressure argon plasmas" at Columbus, OH, US

  • C. R. Seon, K. B. Chai, H. Y. Park, W. Choe, K. H. Jeong, Y. H. Shin, 2006/10 59th GEC, "Measurement of dust particle size and density by a laser light scattering and extinction method" at Columbus, Ohio, US

  • D. B. Kim, J. K. Rhee, S. Y. Moon, B. M. Gweon, and W. Choe, 2006/07 8th APCPST, "Atmospheric pressure micro- plasma in a single pin-electrode configuration" at Cairns, north Queensland, Australia

  • C. R. Seon, K.B. Chai, H. Y. Park, W. Choe, S. Park, Y. H. Shin, and K. H. Chung, 2006/07 8th APCPST, "Measurement of density and size of dust particles in capacitive-coupled plasmas" at Cairns, north Queensland, Australia

  • W. Choe, S. Y. Moon, D. B. Kim, and J. K. Rhee, 2006/06 33rd ICOPS, "α , γ, and normal, abnormal glow discharge modes in radio--frequency capacitively-coupled discharges at atmospheric pressure pressure" at traverse city, MI, US

  • D. B. Kim, J. K. Rhee, S. Y. Moon, and W. Choe, 2006/06 33rd ICOPS, "Atmospheric pressure micro-plasma in a single pin-electrode configuration" at traverse city, MI, US

  • J. K. Rhee, S. Y. Moon, D. B. Kim, and W. Choe, 2006/06 33rd ICOPS, "Spectroscopic characterization of α-and and γ-mode in a mode in a capacitively-coupled plasma in the high pressure range up atmospheric pressure" at traverse city, MI, US

  • Bomi Gweon, D. B. Kim, J. K. Rhee, S. Y. Moon, and Wonho Choe, 2006/06 33rd ICOPS, "Study of atmospheric pressure volumetric discharge characteristics and surface modification feasibility" at traverse city, MI, US

  • Junghee Kim, S. H. Lee, and W. Choe, 2006/05 16th Topical Conference on High Temperature Plasma Diagnostics meeting, "Comparison of the tokamak plasma tomography methods for high spatial resolution and fast calculation" at Williamsburg, VA, US

  • Seung Hun Lee, Junghee Kim, and W. Choe, 2006/05 16th Topical Conference on High Temperature Plasma Diagnostics meeting, "Feasibility Study of Local Three-dimensional Toroidal Plasma Tomography Using Phillips-Tikhonov Regularization Method" at Williamsburg, VA, US

2005

  • D. B. Kim, J. K. Rhee, S. Y. Moon, and W. Choe, 2005/11 27th International Symposium on Dry Process, "Study of small size atmospheric plasma with a pin to plane electrode configuration" at Jeju, Korea

  • S. Y. Moon, D. B. KIM, J. K. Rhee, and W. Choe, 2005/11 27th International Symposium on Dry Process, "Discharge mode characteristics of atmospheric RF capacitive discharge" at Jeju, Korea

  • J. K. Rhee, D. B. KIM, S. Y. Moon, and W. Choe, 2005/11 27th International Symposium on Dry Process, "Effects of helium and oxygen mixing in argon-based atmospheric large area plasmas" at Jeju, Korea

  • Junghee Kim, and W. Choe, 2005/10 9th International Tokamak Physics Activity, "Soft x-ray array" at Daejeon, Korea

  • C. R. Seon, H. Y. Park, and W. Choe, 2005/10 47th APS, "Measurement of dust particle density by a laser extinction method" at Denver, CO, US

  • Junghee Kim, Seung Hun Lee, and W. Choe, 2005/10 47th APS, "Feasibility study on local three-dimensional soft x- ray tomographic imaging for KSTAR plasmas" at Denver, CO, US

  • W. Choe, Junghee Kim, Seung Hun Lee, J. K. Rhee, and W. Choe, 2005/10 47th APS, "Initial design of the soft x-ray tomographic diagnostic array system for KSTAR plasmas" at Denver, CO, US

  • S. Y. Moon, D. B. KIM, J. K. Rhee, and W. Choe, 2005/10 47th APS, "Discharge mode transition in a high-pressure RF capacitive discharge" at Denver, CO, US

  • Junghee Kim, and W. Choe, 2005/08 5th Asia Plasma & Fusion Association, "Initial design of the soft X-ray tomographic diagnostic array system for KSTAR plasmas" at Jeju, Korea

  • Seunghun Lee, Junghee Kim, and W. Choe, 2005/08 5th Asia Plasma & Fusion Association, "Modified Phillips- Tikhonov regularization method for tokamak plasma tomography" at Jeju, Korea

  • D. B. Kim, J. K. Lee, S. Y. Moon, and W. Choe, 2005/08 13th International Conference of Women Engineers and Scientists, "Generation of small size atmospheric pressure plasmas and study of their characteristics" at Seoul, Korea

  • W. Choe, S. Y. Moon, J. K. Lee, D. B. Kim, and W. Choe, 2005/07 1st China Korea Workshop on Low Temperature Plasma Physics and Applications, "Dependence of plasma characteristics on gas mixing in atmospheric glow plasmas" at China

  • S. Y. Moon, J. W. Han, D. B. Kim, J. K. Lee, and W. Choe, 2005/06 32nd ICOPS, "Normal and abnormal glow discharge modes in atmospheric plasmas" at Monterey, CA, US

  • S. Y. Moon, J. W. Han, D. B. Kim, J. K. Lee, and W. Choe, 2005/06 32nd ICOPS, "Plasma characteristics due to helium and oxygen mixing in argon-based atmospheric plasmas" at Monterey, CA, US

  • C. R. Seon, H. Y. Park, and W. Choe, 2005/06 32nd ICOPS, "Measurement of particle density in a dusty plasma by a single-pass laser extinction method" at Monterey, CA, US

2004

  • Junghee Kim, and W. Choe, 2004/11 46th APS-DPP, "Feasibility study on the hybrid soft x-ray diagnostics with tomography and tangential 2-D array in toroidal geometry"at Savannah, GA

  • J Kim, and W. Choe, 2004/11 46th APS-DPP, "A solenoid-free current start-up scenario utilizing outer poloidal field coils"at Savannah, GA

  • Seongchong Park, Changrae Seon, and W. Choe, 2004/8 57th GEC, "Effect of an ac-superposed cathode on dust charging and nonlinear behavior in the dust vertical oscillation" at Shannon, Ireland

  • S. Y. Moon, and W. Choe, 2004/8 9th HAKONE, "Study of the electrical characteristics of a large-area argon assisted glow discharge produced in the ambient air" at Padova, Italy

  • S. Y. Moon, J. W. Han, and W. Choe, 2004/6 7th APCPST, "Feasibility study of material surface treatment using an atmospheric large-area plasma" at Fukuoka, Japan

  • J. W. Han, S. Y. Moon, and W. Choe, 2004/6 7th APCPST, "Effects of Ar-He mixing on atmospheric large-area plasma characteristics" at Fukuoka, Japan

  • C. R. Seon, S. Park, and W. Choe, 2004/6 7th APCPST, "Effects of ac-modulated cathode on the nonlinear vertical dust oscillation in a dc discharge" at Fukuoka, Japan

  • H. Y. Park, S. Park, and W. Choe, 2004/6 7th APCPST, "Measurement of dust particle charge with the parabolic sheath potential model in the dc glow plasma" at Fukuoka, Japan

  • S. Park, C. R. Seon, and W. Choe, 2004/6 7th APCPST, "Dependence of the nonlinear dust oscillation on particle size in dc discharges" at Fukuoka, Japan

  • S. Park, C. R. Seon, H. Park, and W. Choe, 2004/6 7th APCPST, "Trapping and nonlinear oscillatory motion of dust particles at relatively high pressure" at Fukuoka, Japan

  • Junghee Kim, and W. Choe, 2004/4 15th Topical Conference on High Temperature Plasma Diagnostics meeting, "Preliminary design of the soft x-ray array tomographic diagnostic system for Korea Superconducting Tokamak Advanced Research (KSTAR) plasmas" at San Diego, CA, US

2003

  • Jayhyun Kim, and W. Choe, 2003/10 45th APS-DPP, "An outer PF coil-only inductive plasma startup technique on spherical tori" at New Mexico

  • Jayhyun Kim, and W. Choe, 2003/10 45th APS-DPP, "Simulation of plasma buildup in the initial phase of inductive outer PF coil-only startup" at New Mexico

  • Junghee Kim, and W. Choe, 2003/10 45th APS-DPP, "Preliminary design of the soft X-ray diode array diagnostic system for KSTAR plasmas" at New Mexico

  • S. Park, C. R. Seon, and W. Choe, 2003/6 30th ICOPS, "Effect of an ac-modulated cathode on particle trap in a dusty dc discharge" at Jeju, Korea

  • Jayhyun Kim, and W. Choe, 2003/6 30th ICOPS, "Simulation of plasma evolution in the initial phase of inductive tokamak startup" at Jeju, Korea

  • S. Y. Moon, and W. Choe, 2003/6 30th ICOPS, "Study of an atmospheric-pressure dielectric barrier discharge developed for large area material processing" at Jeju, Korea

  • Junghee Kim, and W. Choe, 2003/6 30th ICOPS, "Development and test of a tomographic reconstruction method for soft X-ray array diagnostics for KSTAR plasmas" at Jeju, Korea

  • T. S. Lee, and W. Choe, 2003/6 30th ICOPS, "Design of magnetic nozzle for an advanced RF thruster" at Jeju, Korea

  • C. R. Seon, S. Park, and W. Choe, 2003/6 30th ICOPS, "Spatial distribution of dust particles around the trapping region in a dc dusty plasma" at Jeju, Korea