Y
Yongjune Kim
Researcher at Yonsei University
Publications - 23
Citations - 832
Yongjune Kim is an academic researcher from Yonsei University. The author has contributed to research in topics: Cloak & Metamaterial. The author has an hindex of 6, co-authored 23 publications receiving 596 citations. Previous affiliations of Yongjune Kim include National University of Singapore & Hongik University.
Papers
More filters
Journal ArticleDOI
A Reconfigurable Active Huygens' Metalens.
Ke Chen,Yijun Feng,Francesco Monticone,Junming Zhao,Bo Zhu,Tian Jiang,Lei Zhang,Yongjune Kim,Xumin Ding,Shuang Zhang,Andrea Alù,Cheng-Wei Qiu,Cheng-Wei Qiu +12 more
TL;DR: In this article, a subwavelength reconfigurable Huygens' metasurface realized by loading it with controllable active elements is presented, which offers unprecedented potentials for real-time, fast, and sophisticated electromagnetic wave manipulation such as dynamic holography, focusing, beam shaping/steering, imaging, and active emission control.
Posted Content
A Reconfigurable Active Huygens' Metalens
Ke Chen,Yijun Feng,Francesco Monticone,Junming Zhao,Bo Zhu,Tian Jiang,Lei Zhang,Yongjune Kim,Xumin Ding,Shuang Zhang,Andrea Alù,Cheng-Wei Qiu,Cheng-Wei Qiu +12 more
TL;DR: The presented active Huygens' metalens may offer unprecedented potentials for real-time, fast, and sophisticated electromagnetic wave manipulation such as dynamic holography, focusing, beam shaping/steering, imaging, and active emission control.
Journal ArticleDOI
Wavenumber-Splitting Metasurfaces Achieve Multichannel Diffusive Invisibility
He-Xiu Xu,He-Xiu Xu,Lei Zhang,Yongjune Kim,Guang-Ming Wang,Xiao-Kuan Zhang,Yunming Sun,Xiaohui Ling,Xiaohui Ling,Haiwen Liu,Zhi Ning Chen,Cheng-Wei Qiu +11 more
Journal ArticleDOI
Design of a transmissive metasurface antenna using deep neural networks
Jaebum Noh,Yong-Hyun Nam,Sunae So,Chihun Lee,Sun-Gyu Lee,Yongjune Kim,Tae-Hyung Kim,Jeong-Hae Lee,Junsuk Rho +8 more
TL;DR: Two unique implementations for designing the target metasurfaces are described: 1) utilizing the inverse network 2) data augmentation by the forward network and a random search algorithm.
Journal ArticleDOI
Robust Control of a Multifrequency Metamaterial Cloak Featuring Intrinsic Harmonic Selection
TL;DR: In this paper, a multiband metamaterial cloak for large objects is proposed based on the intrinsic ability of an optimized medium to adjust optical phase delay by the cloak according to the size of the object.