On the Synthesis of Aperiodic Multi-Atom 1-Bit Reconfigurable Passive EMSs at 140 GHz

Taeyoung Kim, Francesco Zardi, Sangmin Lee, Jinhyun Kim, Uichan Park, Jungsuek Oh, Sangjo Choi, and Giacomo Oliveri , IEEE Open Journal of Antennas and Propagation , published , 2025

Path Loss Modeling and Communication Performance Verification Of Transmissive RIS in Simulated Outdoor-to-Indoor Channels

Sangmin Lee and Sangjo Choi , Journal of Korean Institiute of Electromagnetic Engineering and Science , published , 36 , 737-748 , 2025

Compact circular polarization detector with Z-shaped thermoelectric nanoantenna for infrared (IR) polarimetry

Yudhistira Yudhistira and Sangjo Choi , Materials Today Advances , published , 27 , 100599 , 2025

Reconfigurable Planar Huygens’ Metasurface for Wide Beamforming

Sangmin Lee and Sangjo Choi , Advanced Materials Technologies , published , 2402131 , 2025

Optimization of Thermoelectric Nanoantenna for Massive High-Output-Voltage Arrays

Mohamad Khoirul Anam, Yudhistira Yudhistira, and Sangjo Choi , Nanomaterials , published , 14(13) , 1159 , 2024

Pre-phased 1-bit Reflective Passive Metasurface with Optimum Number of Pre-phasing for Low QLL and SLL at 140 GHz

Taeyoung Kim, Sangmin Lee, Seoungwoog Oh, JinHyun Kim, Jungsuek Oh, and Sangjo Choi , IEEE Transactions on Antennas and Propagation , 2024

Universal and Non-Iterative Design Equation for In-Phase Radiation of Microstrip Traveling-wave Series-fed Antenna Arrays

Sangmin Lee and Sangjo Choi , IEEE Transactions on Antennas and Propagation , published , 71 , 1403-1413 , 2023

Infrared Thermoelectric Nanoantenna with Maximum Output Voltage Using Grounded and Open-Ended SiO2

Mohamad Khoirul Anam and Sangjo Choi , Advanced Optical Materials , published , 11 , 2201767 , 2022

Bowtie Nanoantenna Coupled Metal-Oxide-Silicon (p-Doped) Diode for 28.3 THz IR Rectification

Nasim Al Islam and Sangjo Choi , Nanomaterials , published , 12 , 3940 , 2022

Dual microwave-excited atmospheric-pressure plasma jets with a single power source

Daecheon Lim, Md Nazim Uddin, Sangjo Choi, Dongyeon Choi, and Jun Choi , Japanese Journal of Applied Physics , published , 60 , 026001 , 2021

Compact Double-Layer FR4-based Focusing Lens Using High-Efficiency Huygens’ Metasurface Unit Cells

Kd M Raziul Islam and Sangjo Choi , Sensors , published , 20 , 6142 , 2020

Compact folded dipole metasurface for high anomalous reflection angles with low harmonic levels

Nasim Al Islam and Sangjo Choi , Scientific Reports , published , 10 , 18125 , 2020

Non-Uniformly Powered and Spaced Corporate Feeding Power Divider for High-Gain Beam with Low SLL in Millimeter-Wave Antenna Array

Md Nazim Uddin and Sangjo Choi , Sensors , published , 20 , 4753 , 2020

Bowtie Nanoantenna Array Integrated With Artificial Impedance Surfaces for Realizing High Field Enhancement and Perfect Absorption Simultaneously

Mohamad Khoirul Anam and Sangjo Choi , IEEE Access , published , 8 , 99858-99869 , 2020

Perfect Absorption Efficiency Circular Nanodisk Array Integrated with a Reactive Impedance Surface with High Field Enhancement

Mohamad Khoirul Anam and Sangjo Choi , Nanomaterials , published , 10 , 258 , 2020

Circularly polarized cross-tapered bowtie antenna for IR polarimetry

Sangjo Choi and Kamal Sarabandi , IEEE Access , published , 7 , 128263-128272 , 2019

A W-Shaped Antenna with Spatial Polarization Variation for Direction Finding

Sangjo Choi and Kamal Sarabandi , IEEE Antennas and Wireless Propagation Letters , published , 17 , 2429-2433 , 2018

Bowtie Nanoantenna Integrated with InGaAsSb for Uncooled Infrared Detector with Enhanced Sensitivity

Sangjo Choi and Kamal Sarabandi , Applied optics , published , 52 , 8432-8438 , 2013

Design optimization of bowtie nanoantenna for high-efficiency thermophotovoltaics

Sangjo Choi and Kamal Sarabandi , Journal of Applied Physics , published , 114 , N.A. , 2013

Batch-Fabricated High-Power RF Microrelays With Direct On-PCB Packages

Fatih M Ozkeskin, Sangjo Choi, Kamal Sarabandi, and Yogesh B Gianchandani , Journal of microelectromechanical systems , published , 12 , 990-1001 , 2012

An All-Metal Micro-Relay with Bulk Pt-Rh contact for High Power RF applications

Fatih M Ozkeskin, Sangjo Choi, Kamal Sarabandi, and Yogesh B Gianchandani , IEEE transactions on microwave theory and techniques , published , 60 , 1595-1604 , 2012

Performance assessment of bundled carbon nanotube for antenna applications at terahertz frequencies and higher

Sangjo Choi and Kamal Sarabandi , IEEE Transactions on Antennas and Propagation , published , 59 , 802-809 , 2011