팝업레이어 알림

팝업레이어 알림이 없습니다.

Kyungpook National University

PLAYWAVE LAB

Research Topic

  • Metasurface

Topic 01

Metasurface

전파를 효율적으로 반사 또는 투과 시키도록 설계된 2차원 표면구조인 메타표면은 전파의 방향, 편광, 빔의 개수 등을 실시간으로 조절하여 5세대/6세대 통신의 통신품질 향상 및 빔 커버리지 확대를 비롯하여 센싱, 보안, 컴퓨팅 등으로 활용될 수 있다.

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Our publication

Sangmin Lee and Sangjo Choi

"Reconfigurable Planar Huygens’ Metasurface for a Wide-Beam Steering Transmitarray"

Mohamad Khoirul Anam, Yudhistira Yudhistira and Sangjo Choi

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

Taeyoung Kim, Sangmin Lee, Seoungwoog Oh, JinHyun Kim, Jungsuek Oh, Sangjo Choi

"Prephased 1-bit Reflective Metasurface with Optimum Random Phases for Multiple Reflection Angles at 140 GHz"

Sangmin Lee and Sangjo Choi

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

Mohamad Khoirul Anam and Sangjo Choi

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

Nasim Al Islam and Sangjo Choi

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

Daecheon Lim, Md Nazim Uddin, Sangjo Choi, Dongyeon Choi and Jun Choi1

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

Kd M Raziul Islam and Sangjo Choi

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

Nasim Al Islam and Sangjo Choi

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

Md Nazim Uddin and Sangjo Choi

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

Mohamad Khoirul Anam and Sangjo Choi

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

Mohamad Khoirul Anam and Sangjo Choi

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

Sangjo Choi and Kamal Sarabandi

"Circularly polarized cross-tapered bowtie antenna for IR polarimetry"

Sangjo Choi and Kamal Sarabandi

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

Sangjo Choi and Kamal Sarabandi

"Bowtie Nanoantenna Integrated with InGaAsSb for Uncooled Infrared Detector with Enhanced Sensitivity"
Address.
IT-1, 80 Daehak-ro, Buk-gu Daegu, 41566 South Korea
Lab: 905 / Office: 901
Tel.
82-53-950-6554 (Office)
E-mail.
sangjoc@knu.ac.kr
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