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A comprehensive analysis of a TE11 to HE11 mode converter for an oversized F-band corrugated waveguide File

Choe, Mun Seok , Kim, Kwang Hoon , Choi, EunMi

Article Issue Date2013-11 View16
A Method for Pulse Shortening of High-Power Millimeter Waves Using Plasma Breakdown File

Kim, Dongsung , Choe, Mun Seok , Yu, Dongho , Sawant, Ashwini , Choi, EunMi

Article Issue Date2016-08 View20
A novel method for power measurement of a short pulse gyrotron using Friis transmission formula at W-band File

Kim, Sung Gug , Kim, Dong Sung , Choi, EunMi , Kim, Jung Ho , Lee, Woo Sang , Jang, Won

Conference Paper Issue Date2015-08-24 View14
A Study of Pulse Control of Millimeter-wave Gyrotron using High Density Plasma File

Choc, Mun Seok , Sawant, Ashwini , Lee, Ingeun , Han, Taegyu , Choi, Wonjin , Choi, EunMi

Conference Paper Issue Date2019-04-28 View53
Accurate Gyrotron Performance Prediction Based on Full 3-D Magnetic Field and Electron Beam Information Altered by Nonideal Factors File

Lee, Ingeun , Sawant, Ashwini , Shin, Jinwoo , Choi, EunMi

Article Issue Date2021-03 View26
Accurate identification of whispering gallery mode patterns of gyrotron with stabilized electro-optic imaging system File

Lee, Ingeun , Sawant, Ashwini , Choe, Munseok , Lee, Dong Joon , Choi, EunMi

Article Issue Date2018-01 View35
Activity on Gyrotron Development at UNIST

Kim, Sungguk , Kim, Jungho , Sawant, Ashwini , Choi, Moonseok , Kim, Dongseong , So, Joonho , Won, Jonghyo , Choi, EunMi

Conference Paper Issue Date2015-02-26 View12
Amplitude Non-Uniformity of Millimeter-Wave Vortex Beams Generated by Transmissive Structures File

Sawant, Ashwini , Lee, Ingeun , Choi, Eunmi

Article Issue Date2022-06 View27
Analysis of Delay Time Distribution for Argon Plasma Discharge Using a Sub-THz Gyrotron

김동성 , 김성국 , Ashwini Sawant , 유동호 , 최문석 , 최은미

Conference Paper Issue Date2016-02-24 View11
Analysis of dual-beam-based E-band traveling wave tube (TWT) design and experiment

Choi, Hongeun , Choi, Wonjin , Choi, EunMi

Conference Paper Issue Date2023-04-19 View8
Breakdown Experiment under Low Pressurized Gaseous Condition Using a High Power Millimeter Wave Gyrotron Oscillator

Kim, Dongseong , Kim, Seonggook , Choi, Moonseok , Lee, Ingeun , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2015-04-22 View12
Calculation of Radiation from a Helically Cut Waveguide for a Gyrotron Mode Converter in the Quasi-Optical Approximation File

Choi, EunMi , Shapiro, M. A. , Sirigiri, J. R. , Temkin, R. J.

Article Issue Date2009-01 View15
Characterization of the Goubau line for testing beam diagnostic instruments File

Kim, S. Y. , Stulle, F. , Sung, C. K. , Yoo, K. H. , Seok, J. , Moon, K. J. , Choi, C. U. , Chung, Y. , Kim, G. , Woo, H. J. , et al

Article Issue Date2017-12 View24
Cold test of gyrotron cavity modes using a 3D CFDTD method File

Lin, Ming-Chieh , Smithe, David N. , Choi, Eun Mi , Chu, Kwo Ray , Guss, William C. , Temkin, Richard J.

Conference Paper Issue Date2014-04-22 View23
Cold test of gyrotron cavity modes using a 3D CFDTD method File

Lin, M.C. , Smithe, D.N. , Choi, E. , Chu, K.R. , Guss, W.C. , Temkin, R.J.

Conference Paper Issue Date2014-05-25 View18
Cold testing of quasi-optical mode converters using a generator for non-rotating high-order gyrotron modes File

Kim, Sunggug , Kim, Dongsung , Choe, Munseok , Lee, W. , So, J. , Choi, EunMi

Article Issue Date2014-10 View21
Comparative study on PIC simulations of the gyrotron cavity File

Sawant, Ashwini , Kim, Jung Ho , Hong, Yongjun , So, Joonho , Choi, Eun Mi

Conference Paper Issue Date2014-09-17 View9
Competition-free second harmonic mode THz orbital angular momentum gyrotron with dual-mode operation by a perturbed cavity File

Sawant, Ashwini , Choi, EunMi

Article Issue Date2017-11 View22
Design and Experiment of a 300 GHz Folded Waveguide Traveling-Wave Tube

Choi, Wonjin , Lee, Ingeun , Shin, Jinwoo , Choi, EunMi

Conference Paper Issue Date2021-04-27 View13
Design and Fabrication of a 300 GHz Modified Sine Waveguide Traveling-Wave Tube Using a Nano Computer Numerical Control Machine File

Choi, Wonjin , Lee, Ingeun , Choi, EunMi

Article Issue Date2017-07 View23
Design and fabrication of a W-band quasi-optical mode generator

Sawant, Ashwini , Choe, Mun Seok , Choi, EunMi

Conference Paper Issue Date2016-10-19 View8
Design and nano-CNC fabrication of modified sine waveguide for 300 GHz traveling-wave tube File

Choi, Wonjin , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2017-04-24 View7
Design and Operation of a second harmonic dual mode gyrotron for OAM beam generation

Sawant, Ashwini , 최문석 , 이인근 , 최은미

Conference Paper Issue Date2018-08-23 View15
Design of a Calorimeter for Measurement of High Power Gyrotron

Choi, EunMi , Ashwini, Sawant , Kim, Dongsung , Kim, Sungkook , Kim, Jungho , Bae, Yeongsoon , So, Joonho , Lee, Woosang , Lee, Ingeun , Lee, Inhyuk , et al

Conference Paper Issue Date2014-06-19 View5
Design of a W-band Circular TE03 Mode Generator

Choi, Wonjin , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2015-08-20 View16
Design of an Interaction Cavity for a 100 kW, 200 GHz Gyrotron

Han, Tae Gyu , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2020-08-20 View7
Design of Elliptical Sheet-Beam Electron Gun for 300 GHz Sine Waveguide Traveling-Wave Tube

Choi, Wonjin , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2016-10-18 View7
Design study of a 0.4 THz 100 kW pulsed gyrotron File

Choi, Eun Mi

Conference Paper Issue Date2011-02-21 View14
Design Study of a 95GHz, TE62mode Generator

Choi, Eun Mi

Conference Paper Issue Date2012 View4
Design study of a G-band Folded Waveguide Traveling-Wave Tube driven by a Backward-Wave Oscillator

Lee, Ingeun , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2016-08-21 View4
Design study of a MIG electron gun of a 100 kW, 0.4 THz gyrotron oscillator File

Kim, Sung Gug , Sirigiri, Jagadishwar R. , Lee, Woo-Sang , So, Joon-Ho , Choi, Eun Mi

Conference Paper Issue Date2011-10-02 View12
Design Study of a Self-Driving G-band Folded Waveguide Traveling Wave Tube with an Integrated High Input Power

Lee, Ingeun , Sawant, A , So, JoonHo , Hong, Yongjin , Choi, EunMi

Conference Paper Issue Date2016-04-20 View8
Design Study of a Sine Waveguide Circuit for G-band Traveling-Wave Tube

Choi, Wonjin , Choi, EunMi , Hong, Yongjun

Conference Paper Issue Date2016-04-20 View5
Design study of an energy-recirculating G-band self-driving folded waveguide traveling-wave tube File

Lee, Ingeun , Sawant, Ashwini , So, Joonho , Hong, Yongjin , Choi, EunMi

Conference Paper Issue Date2016-04-19 View22
Design Study of an Extended Interaction Oscillator (EIO) for Ka-band Folded Waveguide Traveling-wave Tube (FWTWT)

Choi, EunMi , 이인근 , 최원진

Conference Paper Issue Date2014-11-02 View14
Design study of critical components of second harmonic a 100 kW, 0.4 THz gyrotron oscillator File

Kim, Sung Gug , Sirigiri, Jagadishwar R. , Lee, Woo-Sang , So, Joon-Ho , Choi, Eun Mi

Conference Paper Issue Date2012-09-23 View12
Design study of magnetron injection gun (MIG) for a high power W-band gyrotron

Choi, Eun Mi , None

Conference Paper Issue Date2013 View9
Design study of MIG for dual-band gyrotron File

Lee, Ingeun , Kim, Sung Gug , So, Joonho , Choi, Eun Mi

Conference Paper Issue Date2013-05-21 View13
Design Study of Two-Plane Focusing Periodic Permanent Magnet For a 300 GHz Sheet-Beam Traveling-Wave Tube

최원진 , 이인근 , 최은미

Conference Paper Issue Date2018-08-25 View16
Design Study of Two-Plane Focusing Periodically Cusped Magnets for a 300 GHz Sheet Beam Traveling-Wave Tube File

Choi, Wonjin , Lee, Ingeun , Choi, EunMi , Shin, Jinwoo

Conference Paper Issue Date2019-04-28 View31
Design Study of Y-band Folded Waveguide Backward Wave Oscillator as Input Driver for Traveling Wave Tube Amplifier

Lee, Ingeun , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2016-10-18 View12
Design, Fabrication and Test of a Sine Waveguide Circuit for a 300 GHz Traveling-Wave Tube

최원진 , 이인근 , 최은미

Conference Paper Issue Date2017-08-24 View8
Development of Dual Frequency Gyrotron operating at 142&208 GHz

Han, Taegyu , Choi, Wonjin , Lim, Jinho , Choi, EunMi

Conference Paper Issue Date2023-04-19 View10
Development of high power THz sources and applications

Choi, EunMi

Conference Paper Issue Date2022-12-01 View8
Development of Higher order rotating-mode generator using dielectric rod waveguide at W-band File

Han, Taekyu , Lim, Jinho , Choi, EunMi

Conference Paper Issue Date2022-05-18 View11
Development of the Full Package of Gyrotron Simulation Code File

Sawant, Ashwini , Choi, EunMi

Article Issue Date2018-12 View27
Development of the Second Harmonic 190 GHz Gyrotron for OAM Communication File

Sawant, Ashwini , Lee, Ingeun , Choe, Munseok , Choi, EunMi

Conference Paper Issue Date2019-09-01 View7
Development of the Second Harmonic Dual Mode Gyrotron for OAM Beam Generation File

Sawant, Ashwini , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2019-04-28 View25
Development Status of a 142/208 GHz Dual Frequency Gyrotron

Han, Taegyu , Hong Eun, Choi , Choi, EunMi

Conference Paper Issue Date2023-08-22 View14
Direct Real-Time Power Measurement of a High-Power Electron Cyclotron Maser by a Simple One-Point Schottky Detector Signal File

Kim, Sung Gug , Kim, Jung Ho , Kim, Dongsung , Won, Jong-Hyo , Lee, Woo Sang , Yang, Jongwon , Choi, EunMi

Article Issue Date2015-09 View12
Dual band operation of a photonic band gap cavity for 400 GHz gyrotron File

Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2016-04-19 View10
Efficiency enhancement of a 1.5-MW, 110-GHz gyrotron with a single-stage depressed collector

Choi, EunMi , Cerfon, A. J. , Mastovsky, I. , Shapiro, M. A. , Sirigiri, J. R. , Temkin, R. J.

Article Issue Date2007-08 View12
Electromagetic and Thermal Analysis of a Millimeter-wave Window

Choi, EunMi , 김동성 , 김우영 , 김정호 , 박해윤 , 소준호 , 양종원 , 오승섭 , 원정효 , 최준호

Conference Paper Issue Date2014-06-19 View7
Error Tolerant Method of Dielectric Permittivity Determination Using a TE₀₁ Mode in a Circular Waveguide at the W-Band File

Choi, Hong Eun , Choi, Wonjin , Simakov, Evgenya I. , Zuboraj, Muhammed , Carlsten, Bruce E. , Choi, EunMi

Article Issue Date2020-02 View21
Evaluation of complex permittivity of the high loss tangent materials at W-band region

Choi, Hong Eun , Choi, EunMi

Conference Paper Issue Date2021-02-17 View4
Excellent photonic-assisted measurement system for high order mode pattern scan in reactive near field File

Lee, Ingeun , Choe, Mun Seok , Lee, Dong-Joon , Choi, EunMi

Conference Paper Issue Date2015-08-24 View11
Experimental Investigation of a Dual-Beam Traveling Wave Tube File

Choi, Hong Eun , Choi, Wonjin , Lee, Junyoung , Choi, EunMi

Article Issue Date2024-07 View4
Experimental observation of the effect of aftercavity interaction in a depressed collector gyrotron oscillator File

Choi, EunMi , Shapiro, M. A. , Sirigiri, J. R. , Temkin, R. J.

Article Issue Date2007-09 View12
Experimental results for a 1.5 MW, 110 GHz gyrotron oscillator with reduced mode competition File

Choi, EunMi , Marchewka, CD , Mastovsky, I , Sirigiri, JR , Shapiro, MA , Temkin, RJ

Article Issue Date2006-02 View13
Experimental Results on a 1.5MW, 110GHz Gyrotron with a Smooth Mirror Mode Converter File

Tax, David S. , Choi, Eunmi M. , Mastovsky, Ivan , Neilson, Jeffrey M. , Shapiro, Michael A. , Sirigiri, Jagadishwar R. , Temkin, Richard J. , Torrezan, Antonio C.

Article Issue Date2011-03 View7
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