招待講演

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日 時:9月8日(金) 

■会 場:第11会場 F棟 6階 F601講義室

■開催セッション

International Session (1) Electromagnetic Waves and Antennas
国際セッション(1)(電磁波・アンテナ)

■共 催:IEEE Antennas and Propagation Society Fukuoka Chapter

Magneto-electric dipole: Advanced antenna technology for wireless connectivity

■時 間:11:30~12:00 (11-2A-09)

■発表者:Prof. Kwai Man Luk (City University of Hong Kong)

■概 要:

Since Heinrich Hertz developed the first antenna in 1887 to emonstrate the existence of radio waves, the antenna has become the linchpin in countless wireless systems and devices. With the increasing demand for faster wireless connectivity, rising adoption of smartphones for con-sumer electronics, and accelerating digitization, stringent requirements such as wide bandwidth and compact size are imposed on the antenna technology. The magneto-electric (ME) dipole is proposed to tackle the new challenges. It has been developed for mobile communications, global navigation receivers, radars, sensors, medical imaging systems and wireless power transfer systems. Compared with conventional an-tennas such as dipoles, slots and microstrip antennas, the ME dipoles have many distinguished features including wide bandwidth, low cross-polarization, low back radiation and stable gain and beamwidth over the operating frequencies. An overview of the theory and recent developments for diverse applications of the ME dipoles will be pre-sented.

Functional Metamaterial Design for Terahertz Metasurfaces with Radiation Beam Manipulations

■時 間:14:00~14:30 (11-2P-01

■発表者:Prof. Hang Wong (City University of Hong Kong)

■概 要:

Technology market forecasts high-frequency products will boost up rapidly in the coming decades not only the popular microwave electronics but also that of un-released millimeter-wave and terahertz inventions. Scientists put hard efforts to demonstrate both feasibility and capability of the newly allocated frequency spectrum by ITU from 110 to 450 GHz that can be commercialization through the introduction of emerging applications of wireless systems such as 6G communi-cations, terahertz imaging, millimeter-wave detection and sensing, low-orbit space communications, intelligent ultra-fast wireless, green energy network, etc. In this talk, the speaker will introduce recent high-frequency electronic developments by other world-leading antenna research groups and share state-of-the-art antenna technologies invented at the State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong. Breaking through the bottleneck of PIN diode at high-frequency devices, the speaker will demonstrate how to use func-tional materials to design millimeter-wave and terahertz meta atom, tunable metasurfaces, and radiation beam controls on the terahertz metasurface.