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E. M. Choi
E. M. Choi
Verified email at unist.ac.kr
Title
Cited by
Cited by
Year
Observation of large arrays of plasma filaments in air breakdown by 1.5-MW 110-GHz gyrotron pulses
Y Hidaka, EM Choi, I Mastovsky, MA Shapiro, JR Sirigiri, RJ Temkin
Physical review letters 100 (3), 035003, 2008
1872008
Plasma structures observed in gas breakdown using a 1.5 MW, 110 GHz pulsed gyrotron
Y Hidaka, EM Choi, I Mastovsky, MA Shapiro, JR Sirigiri, RJ Temkin, ...
Physics of Plasmas 16 (5), 2009
1192009
Nano-CNC machining of sub-THz vacuum electron devices
D Gamzina, LG Himes, R Barchfeld, Y Zheng, BK Popovic, C Paoloni, ...
IEEE Transactions on Electron Devices 63 (10), 4067-4073, 2016
1102016
Experimental results for a 1.5 MW, 110GHz gyrotron oscillator with reduced mode competition
EM Choi, CD Marchewka, I Mastovsky, JR Sirigiri, MA Shapiro, RJ Temkin
Physics of Plasmas 13 (2), 2006
392006
Experimental observation of the effect of aftercavity interaction in a depressed collector gyrotron oscillator
EM Choi, MA Shapiro, JR Sirigiri, RJ Temkin
Physics of Plasmas 14 (9), 2007
372007
Experimental results on a 1.5 MW, 110 GHz gyrotron with a smooth mirror mode converter
DS Tax, EM Choi, I Mastovsky, JM Neilson, MA Shapiro, JR Sirigiri, ...
Journal of Infrared, Millimeter, and Terahertz Waves 32, 358-370, 2011
332011
Remote detection of radioactive material using high-power pulsed electromagnetic radiation
D Kim, D Yu, A Sawant, MS Choe, I Lee, SG Kim, EM Choi
Nature communications 8 (1), 15394, 2017
322017
Generation of E-band metasurface-based vortex beam with reduced divergence angle
H Chung, D Kim, A Sawant, I Lee, E Choi, J Lee
Scientific Reports 10 (1), 8289, 2020
292020
Orbital angular momentum (OAM) of rotating modes driven by electrons in electron cyclotron masers
A Sawant, MS Choe, M Thumm, EM Choi
Scientific Reports 7 (1), 3372, 2017
292017
Direct real-time power measurement of a high-power electron cyclotron maser by a simple one-point Schottky detector signal
SG Kim, JH Kim, D Kim, JH Won, WS Lee, J Yang, EM Choi
IEEE Transactions on Terahertz Science and Technology 5 (5), 779-785, 2015
292015
Ultimate capacity analysis of orbital angular momentum channels
A Sawant, I Lee, BC Jung, EM Choi
IEEE Wireless Communications 28 (1), 90-96, 2020
282020
Megawatt power level 120 GHz gyrotrons for ITER start-up
EM Choi, C Marchewka, I Mastovsky, MA Shapiro, JR Sirigiri, RJ Temkin
Journal of Physics: Conference Series 25 (1), 1, 2005
282005
System development and performance testing of a W-band gyrotron
SG Kim, A Sawant, I Lee, D Kim, MS Choe, JH Won, J Kim, J So, W Jang, ...
Journal of Infrared, Millimeter, and Terahertz Waves 37, 209-229, 2016
262016
Imaging of atmospheric air breakdown caused by a high-power 110-GHz pulsed Gaussian beam
Y Hidaka, EM Choi, I Mastovsky, MA Shapiro, JR Sirigiri, RJ Temkin
IEEE transactions on plasma science 36 (4), 936-937, 2008
262008
Calculation of radiation from a helically cut waveguide for a gyrotron mode converter in the quasi-optical approximation
EM Choi, MA Shapiro, JR Sirigiri, RJ Temkin
Journal of Infrared, Millimeter, and Terahertz Waves 30, 8-25, 2009
232009
Efficiency enhancement of a 1.5-MW, 110-GHz gyrotron with a single-stage depressed collector
EM Choi, AJ Cerfon, I Mastovsky, MA Shapiro, JR Sirigiri, RJ Temkin
Fusion Science and Technology 52 (2), 334-339, 2007
232007
High-directivity orbital angular momentum antenna for millimeter-wave wireless communications
I Lee, A Sawant, EM Choi
IEEE Transactions on Antennas and Propagation 69 (7), 4189-4194, 2020
222020
E‐Band Metasurface‐Based Orbital Angular Momentum Multiplexing and Demultiplexing
H Chung, D Kim, E Choi, J Lee
Laser & Photonics Reviews 16 (6), 2100456, 2022
192022
Observation and study of low-frequency oscillations in a 1.5-MW 110-GHz gyrotron
AJ Cerfon, E Choi, CD Marchewka, I Mastovsky, MA Shapiro, JR Sirigiri, ...
IEEE Transactions on plasma science 37 (7), 1219-1224, 2009
192009
The effect of nefopam infusion during laparascopic cholecystectomy on postoperative pain
EM Kim, JH Jeon, MH Chung, EM Choi, SH Baek, PH Jeon, MH Lee
International journal of medical sciences 14 (6), 570, 2017
172017
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