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Showing results 1 to 57 of 57

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 View141
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 View119
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 View140
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 View187
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 View64
Amplitude Non-Uniformity of Millimeter-Wave Vortex Beams Generated by Transmissive Structures File

Sawant, Ashwini , Lee, Ingeun , Choi, Eunmi

Article Issue Date2022-06 View130
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 View71
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 View81
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 View115
Design and fabrication of a W-band quasi-optical mode generator

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

Conference Paper Issue Date2016-10-19 View61
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 View62
Design of a W-band Circular TE03 Mode Generator

Choi, Wonjin , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2015-08-20 View65
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 View63
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 View51
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 View72
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 View74
Development of a Second Harmonic Dual Mode Gyrotron for Generation of Orbital Angular Momentum Beam File File

Sawant, Ashwini

Thesis Issue Date2019-08 View78
Development of the Full Package of Gyrotron Simulation Code File

Sawant, Ashwini , Choi, EunMi

Article Issue Date2018-12 View141
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 View59
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 View94
Dual band operation of a photonic band gap cavity for 400 GHz gyrotron File

Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2016-04-19 View82
Experimental study on OAM mode antenna misalignment in E-band

Go, Hyun , Sawant, Ashwini , Choi, Wonjin , Moon, Seokju , Choi, EunMi

Conference Paper Issue Date2021-08-18 View64
Experimental Study on Plasma Breakdown Delay Time under Low Pressurized Argon Gas Using a W-band High-power Millimeter-wave Source

Kim, Dongsung , Yu, Dongho , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2016-08-24 View70
Experimental Verification on Remote Detectability of Concealed Radioactive Material Based on the Plasma Discharge Delay Time using High-Power Millimeter-Wave

Kim, Dongsung , Kim, Dongho , Sawant, Ashwini , Choe, Mun Seok , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2016-10-31 View66
Fundamental Analysis of OAM THz Communication Systems

Sawant, Ashwini , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2020-08-20 View78
Generation and Validation of Topological Charges of High-Power Gyrotron Orbital Angular Momentum Beams From Phase Retrieval Algorithm File

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

Article Issue Date2017-03 View148
Generation of a Laguerre-Gaussian beam using a spiral phase plate at W-band

Yoo, Dongho , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2015-10-21 View82
Generation of E-band metasurface-based vortex beam with reduced divergence angle File File

Chung, Hyeongju , Kim, Daeik , Sawant, Ashwini , Lee, Ingeun , Choi, Eunmi , Lee, Jongwon

Article Issue Date2020-05 View155
High-Density Plasma Diagnosis Using Quasi-Optical Millimeter-Wave Systems File

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

Article Issue Date2020-11 View121
High-Directivity Orbital Angular Momentum Antenna for Millimeter-Wave Wireless Communications File

Lee, Ingeun , Sawant, Ashwini , Choi, EunMi

Article Issue Date2021-07 View163
Higher Order Mode Generator by Using Dielectric Rod Waveguide in Millimeter Wave Regime

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

Conference Paper Issue Date2021-08-18 View72
Higher Order Mode Generator by using Dielectric Rod Waveguide in Millimeter Wave Regime

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

Conference Paper Issue Date2021-02-17 View73
Investigation of amplitude non-uniformity in OAM beams generated using transmissive structures

Sawant, Ashwini , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2020-08-20 View63
Measuring the carrier lifetime by using a quasi-optical millimeter- and THz-wave system File

Choe, Mun Seok , Sawant, Ashwini , Lee, Kyu-Sup , Yu, Nan Ei , Choi, EunMi

Article Issue Date2017-02 View200
Observation of Pulse Shortening Based on Plasma Discharge Phenomenon in W-band Gyrotron

Kim, Dongsung , Yu, Dongho , Sawant, Ashwini , Choi, EunMi

Conference Paper Issue Date2016-10-19 View73
Orbital angular momentum (OAM) multiplexing for a wireless backhaul communication system: Ultimate capacity analysis of OAM channels File

Sawant, Ashwini , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2020-05-25 View100
Orbital Angular Momentum (OAM) of Rotating Modes Driven by Electrons in Electron Cyclotron Masers File File

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

Article Issue Date2017-06 View126
Orbital angular momentum of gyrotron modes File

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

Conference Paper Issue Date2017-08-27 View88
Phase retrieval of a high power gyrotron vortex beam

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

Conference Paper Issue Date2016-12-16 View60
Phase Retrieval of High-Power Gyrotron Orbital Angular Momentum Beams File

Sawant, Ashwini , Yu, Dongho , Kim, Dongsung , Choe, Munseok , Choi, EunMi

Conference Paper Issue Date2017-04-24 View86
Proposal of Mode Selection Criterian for Advanced KDEMO Gyrotron File

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

Conference Paper Issue Date2016-04-04 View70
Real-time, remote detection of radioactive material using a high-power millimeter/THz wave vacuum device File

Kim, Dongsung , Yu, Dongho , Sawant, Ashwini , Choe, Mun Ssok , Lee, Ingeun , Choi, EunMi

Conference Paper Issue Date2017-10-10 View71
Reduction of fundamental mode competition in 400 GHz second harmonic Gyrotron

Sawant, Ashwini , 최은미

Conference Paper Issue Date2017-08-24 View62
Remote Detection of Radioactive Material using High-Power Pulsed Electromagnetic Radiation File File

Kim, Dongsung , Yu, Dongho , Sawant, Ashwini , Choe, Mun Seok , Lee, Ingeun , Kim, Sung Gug , Choi, EunMi

Article Issue Date2017-05 View225
Self-Driving Energy-Recirculating Micromachined G-Band Folded Waveguide Traveling-Wave Tube Oscillator File

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

Article Issue Date2018-08 View144
Stand-off radiation detection techniques File

Sawant, Ashwini , Kwak, Donghyun , Lee, Ingeun , Chung, Moses , Choi, EunMi

Article Issue Date2020-07 View158
Study on statistical breakdown delay time in argon gas using a W-band millimeter-wave gyrotron File

Kim, Dongsung , Kim, Sung Gug , Sawant, Ashwini , Yu, Dongho , Choe, MunSeok , Choi, EunMi

Article Issue Date2016-04 View125
System Design of Orbital Angular Momentum Transmitter Using Dual-Beam Traveling Wave Tube Amplifier

Lee, Ingeun , Sawant, Ashwini , Moon, Seok Ju , Choi, EunMi

Conference Paper Issue Date2021-04-27 View88
System Development and Perfomance Evaluation of a 0.272 THz Pulsed Folded Waveguide Traveling Wave Tube Oscillator File

Lee, Ingeun , Choi, Wonjin , Sawant, Ashwini , Choe, Mun Seok , Shin, Jinwoo , Choi, EunMi

Conference Paper Issue Date2019-04-28 View84
System Development and Performance Testing of a W-Band Gyrotron File

Kim, Sung Gug , Sawant, Ashwini , Lee, Ingeun , Kim, Dongsung , Choe, MunSeok , Won, Jong-Hyo , Kim, Jungho , So, Joonho , Jang, Won , Choi, EunMi

Article Issue Date2016-03 View165
The Experimental Study of Time Resolved Inductively Coupled Plasma for Fast Control of High-Power Millimeter-wave

Choe, Mun Seok , Sawant, Ashwini , Lee, Ingeun , Choi, Won jin , Choi, Hong Eun , Han, Taekyu , Choi, EunMi

Conference Paper Issue Date2019-06-23 View92
The Experimental Verification of Gaussian Beam Coupling for ECH Transmission Line at 400 GHz File

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

Conference Paper Issue Date2016-04-04 View87
The study of millimeter-wave based quasi-optical photoconductivity decay technique for precise measurement of minority carrier life time File

Choe, Mun Seok , Sawant, Ashwini , Lee, Kyu-Sup , Yu, Nan Ei , Choi, EunMi

Conference Paper Issue Date2016-09-25 View81
Time-Dependent Code Development for Gyrotron Design

Sawant, Ashwini , 이인근 , 최문석 , 최은미

Conference Paper Issue Date2018-02-21 View58
Ultimate Capacity Analysis of Orbital Angular Momentum Channels File

Sawant, Ashwini , Lee, Ingeun , Jung, Bang Chul , Choi, EunMi

Article Issue Date2021-02 View137
Validation of 3-D Time Domain Particle-in-Cell Simulations for Cold Testing a W-Band Gyrotron Cavity File

Sawant, Ashwini , Kim, Sung Gug , Lin, Ming-Chieh , Kim, Jung Ho , Hong, Yongjun , So, Joonho , Choi, EunMi

Article Issue Date2014-12 View117
플라즈마 방전 현상을 이용한 방사능 물질 원격 탐사 기법

김동성 , 유동호 , Sawant, Ashwini , 최문석 , 최은미

Conference Paper Issue Date2016-06-09 View69
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