Professor

Wonho Choe

Professor, Department of Nuclear and Quantum Engineering

  Joint Professor, Department of Physics

  Joint Professor, Department of Aerospace Engineering

  Joint Professor, Institute for Security Convergence Research

  Director, Impurity and Edge plasma Research Center

  Korea Advanced Institute of Science and Technology (KAIST)

  291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea

Phone: +82-42-350-3827 / E-mail: wchoe@kaist.ac.kr

Our Team

Jaehong Park

Ph.D. Candidate

1) Numerical simulation of Hall thruster

2) Deep learning applications to electric propulsion plasmas

Yoon Seong Han

Ph.D. Candidate

1) Plasma diagnostic & tomography,

2) Numerical impurity simulation in tokamak plasma

Junghoo Hwang

Ph.D. Candidate

1) Tokamak edge plasma simulation (SOLPS-ITER)

2) Power exhaust scenario in tokamaks

Junhyeok Yoon

Ph.D. Candidate

1) Machine learning applications to fusion plasmas

2) Studies on impurity seeding with SOLPS-ITER simulation

Minhyeok Choi

Ph.D. Student

(Current location: KFE)

1) SOLPS-ITER Modelling of KSTAR Edge Plasma

2) DEMO

Changmin Shin

Ph.D. Candidate

1) Spectroscopic measurement of tungsten sputtering flux in divertor region plasmas

2) Data-driven approach for optical diagnostics of low temperature plasmas using collisional-radiative model

Youngho Kim

Ph.D. Candidate

1) Experiment of Hall thrusters

2) Alternative propellant (Kr, Ar) in Hall thruster

Jaejun Lee

Ph.D. Candidate

1) Electron source development

2) Hollow cathode development

Seong-Cheol Huh

Ph.D. Candidate

1) Reactive species measurement with absorption spectroscopy

2) High density production of reactive species from plasma

Seongsu Kim

Ph.D. Candidate

1) Low power Hall thruster operating with alternative propellant

2) Thrust measurement system with a photodetector

Dongha Park

Ph.D. Student

1) Development of a CubeSat using a Hall thruster

2) Thrust stand design

Chan Yeong Lee

Ph.D. Student

1) Numerical simulation for the impurity seeding simulation

2) Alternative divertor concept study

Chunyue Huang

Ph.D. Candidate

1) EEDF prediction from OES data using artificial intelligence


Juhong Kim

Master’s Student

1) Low power Hall thruster

Seungbeom Heo

Master’s Student

1) Low power Hall thruster

2) Experimental Data-driven

3) Plasma numerical simulation

GDPL alumni

Graduated Ph.D. students

Dr. Hyun Gyu Lee
이현규 

APRIL, Korea Advanced Institute of Science and Technology

(2023.08)


Dr. Haewon Shin
신해원

KAERI (Korea Atomic Energy Research Institute)
한국원자력연구원 

(2023.02)


Dr. Guentae Doh
도근태

KARI (Korea Aerospace Research Institute)
항공우주연구원

Effect of the axial magnetic field on the ionization region and ion kinetics in Hall thruster plasmas (2022.08)


Dr. Dongho Lee
이동호

HPEPL, Georgia Institute of Technology

Development of micro-Hall thrusters and investigation on the plasma discharge mode change (2022.08)


Dr. Jinwoo Kim
김진우

Samsung Electronics
삼성전자 

Research on the reactive species generation characteristics and application feasibility of the 2D grid electrode-based atmospheric pressure dielectric barrier discharge (2022.08)


Dr. Juyoung Park
박주영

KIMS (Korea Institute of Materials Science)
한국재료연구원 

Generation mechanism of reactive oxygen-nitrogen species in plasma-treated water and evaluation of its biological effect (2020.02)


Dr. Inwoo Song
송인우

Commonwealth Fusion Systems

Transport study of trace tungsten in rotating fusion plasmas through development of imaging spectrometer and analysis of impurity density profile (2020.02)


Dr. Youbong Yim
임유봉

Plasmapp

Nonlinear dynamics of fast ions in cylindrical Hall thruster plasmas (2020.02)


Dr. Seunghun Lee
이승훈

KIMS (Korea Institute of Materials Science)
한국재료연구원 

Performance Improvement and Physical understanding of 500 W small Hall thruster by Magnetic field tailoring (2019.02)


Dr. Jaesun Park
박재선

Oak Ridge National Laboratory

Divertor Plasma Detachment Studies in KSTAR by Experiment and Modeling (2019.02)


Dr. Juhyeok Jang
장주혁

KFE (Korea institute of Fusion Energy)
한국핵융합에너지연구원

ELM Mitigation and Suppression by Krypton Impurity Seeding in KSTAR Plasmas (2019.02)


Dr. Joohwan Hong
홍주환

Samsung Electronics
삼성전자 

Studies on modification of argon impurity transport by ECH in KSTAR plasmas (2017.02)


Dr. Holak Kim
김호락

Pusan National University
부산대학교 

Multiply charged ion generation and effects on performance and ion beam characteristics in Hall thruster plasmas (2017.02)


Dr. Sanghoo Park
박상후

Dept. Nuclear&Quantum Eng. Korea Advanced Institute of Science and Technology
KAIST 원자력및양자공학과 

Study on electron properties of atmospheric pressure rf discharges using continuum radiation-based electron diagnostics (2016.02)


Dr. Siwon Jang
장시원

LAM research

Development of high performance duplex MWPC based X-ray pinhole camera and tangential 2-D KSTAR plasma imaging diagnosis (2013.02)


Dr. Mihui Seo
서미희

ADD (Agency for Defense Development)
국방과학연구소 

Comparison of the low power Hall plasma thruster performance according to the geometrical structure of discharge region (2013.02)


Dr. Hee Soo Jung
정희수

ADD (Agency for Defense Development)
국방과학연구소 

Functionalization of TiO2 nano particles for photocatalyst and photoelectrode by atmospheric pressure plasma (2012.02)


Dr. Jong Sub Lee
이종섭

Samsung Electronics
삼성전자 

Development of high efficiency low power hall thruster and study of plasma plume characteristics (2011.08)

Dr. Seung Hun Lee
이승헌

Plasmapp

Modified Phillips-Tikhonov regularization for plasma tomography (2011.08)


Dr. Bo Mi Gweon
권보미

Dept. Mechanical Eng. Sejong University

Changes of cellular structure and behavior induced by atmospheric pressure plasma (2011.02)


Dr. Kil Byoung Chai
채길병

KAERI (Korea Atomic Energy Research Institute)
한국원자력연구원 

Control of nano-particle generation, growth rate and crystllinity by changing external parameters in SiH4 plasmas (2011.02)


Dr. Dan Bee Kim
김단비

KRISS (Korea Research Institute of Standards and Science)
한국표준과학연구원 

Driving Frequency Effects on the Atmospheric Pressure Corona Jet Discharge (2010.02)


Dr. Ho Yong Park
박호용

Samsung Electronics
삼성전자 

Tomography and lens optical diagnostics of excitation temperature for plasma process monitoring application (2010.08)


Dr. Chang Rae Seon
선창래

ITER-KOREA

Analysis of nano-particle growth, dynamics and the particle control by UV irradiation on silane plasmas (2008.08)


Dr. Jung Hee Kim
김정희

KFE (Korea institute of Fusion Energy)
한국핵융합에너지연구원

Analyses of the multi-step sawtooth crash behavior in the highly-elongated tokamak plasmas with the soft x-ray tomographic diagnostics (2007.08)


Dr. Se Youn Moon
문세연

Jeonbuk National University
전북대학교 

Study on discharge modes and characteristics of large-area plasma produced at atmospheric pressure (2006.02)


Dr. Seong Chong Park
박성종

KRISS (Korea Research Institute of Standards and Science)
한국표준과학연구원 

Study on diagnostics and dynamical properties of dust particles in plasmas (2005.02)


Dr. Jay Hyun Kim
김재현

KFE (Korea institute of Fusion Energy)
한국핵융합에너지연구원 

Solenoid-free toroidal plasma start-up concepts utilizing only the outer poloidal field coils a conducting conterpost (2005.02)


Dr. Sang Jean Jeon
전상진

Samsung Electronics
삼성전자 

The effects of stray magnetic field and background plasma on KAIST-Tokamak startup plasma (2002.02)


Dr. Gyu Sub Eom
엄규섭

APPLASMA

Development of a helicon plasma source and study of the helicon plasma characteristics at very high radio frequency (2001.08)


Dr. Gi Chung Kwon
권기청

Kwangwoon University
광운대학교

Study on improving KAIST-Tokamak plasma performance and plasma position measurement (2000.02, 지도교수: 최덕인)


Dr. Seong Heon Seo
서성헌

KFE (Korea institute of Fusion Energy)
한국핵융합에너지연구원

On the KAIST-Tokamak operation and control for steady state plasma (1999.02, 지도교수: 장홍영)