Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Weien Lai"'
Publikováno v:
AIP Advances, Vol 14, Iss 4, Pp 045028-045028-7 (2024)
This article presents a thin and flexible artificial electromagnetic absorber with two absorption peaks at frequencies of 28 and 39 GHz for 5G communication. Copper and a flexible FR4 substrate are used in a pyramid-shaped layered configuration, achi
Externí odkaz:
https://doaj.org/article/0eab283b54c9413f9bfabacaf2760783
Autor:
Sheng Gao, Jun Yang, Peng Wang, Andong Zheng, Hongbo Lu, Guangsheng Deng, Weien Lai, Zhiping Yin
Publikováno v:
Applied Sciences, Vol 8, Iss 12, p 2528 (2018)
An electrically tuned phase shifter based on the single slot unit cell and liquid crystal for a reconfigurable reflectarray antenna was presented. The simulation and measured results obtained at the F-band were used to demonstrate that the dielectric
Externí odkaz:
https://doaj.org/article/a27c137364a14205954e30031d0f42a7
Publikováno v:
ACS applied materialsinterfaces. 14(38)
Omnidirectional broadband terahertz (THz) antireflection (AR) with an actively configurable coating promises the achievement of next-generation efficient and versatile THz components with high performance. We demonstrate a near-infrared (NIR) light-t
Publikováno v:
ACS Applied Electronic Materials. 3:3044-3051
Autor:
Jie Zhong, Zhenglai Wang, Qiaohui Zhou, Jiaqi Zhu, Songsong Ma, Nasir Ali, Kai Li, Huizhen Wu, Haiming Zhu, Hanlun Xu, Weien Lai
Publikováno v:
IEEE Transactions on Electron Devices. 67:2432-2436
A CdTe/PbTe heterojunction (HJ) yields two-dimensional electron gas (2DEG) with a high electron density and mobility. Ultrahigh-speed and room-temperature operating mid-infrared photodetectors are developed with the 2DEG. The photoresponse of the det
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 41:665-674
A liquid crystal (LC)-based double dipole terahertz phase shifter is proposed. The block model is utilized in simulations to analysis the influence of inhomogeneity of the LC substrate. The sensitive parameters of the double dipole are simulated and
Broadband and large-depth terahertz modulation by self-assembly monolayer silver nanoparticle arrays
Publikováno v:
Journal of Physics D: Applied Physics. 55:505103
Broadband and large-depth THz modulation are crucially important for building next-generation THz devices in THz communication systems. Here, we present a broadband and large-depth THz modulator based on silicon/self-assembled silver nanoparticle (SA
Autor:
Zhiping Yin, Hongbo Lu, Ying Li, Guangsheng Deng, Jun Yang, Sheng Gao, Yaohui Hu, Weien Lai, Peng Wang
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 40:276-287
This article reports on the investigation, manufacture, and testing of a liquid crystal (LC)-based tunable terahertz (THz) metamaterial (MM) metal-dielectric-metal (MDM) structure, which has low insertion loss (IL) and large modulation depth (MD). Th
Angle-Dispersive Metasurface for Axisymmetric Wavefront Manipulation over Continuous Incident Angles
Publikováno v:
Physical Review Applied. 14
Axisymmetric wavefront manipulation is desirable for retroreflection, collimation, beam steering, and other applications in optics, but is not easily implemented with typical metasurfaces, which have an almost fixed phase gradient for various angles
Publikováno v:
Optics express. 27(19)
In this paper, a nematic liquid crystal (NLC)-based tunable terahertz (THz) plasmonic metamaterials (MMs) with large modulation depth (MD) and low insertion loss (IL) is designed and experimentally verified at THz frequencies. The proposed structure