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報告人簡介:

梁國華，IEEE Fellow，香港城市大學電子工程系講席教授（Chair Professor），IEEE AP-S協會杰出講師（Distinguished Lecture），AP-S杰出講師程序委員會委員。曾獲國際無線電科學聯合會（USRI）青年科學家獎、教育部高等教育杰出科研成果獎（自然科學）一等獎、香港城市大學研究卓越獎。曾擔任美國電子電氣工程師學會天線與電波傳播匯刊（IEEE Transactions on Antennas and Propagation）主編，是該刊自1952年創刊以來首位華人主編。其研究領域包括介質諧振器天線、線天線、槽天線、導波理論、移動通信和計算電磁學。多年來，作為介質諧振器天線研究領域的先導者，相關基礎研究工作在國際學術期刊上發表SCI論文220余篇，其中領域頂級Engineering、Proceedings of the IEEE、IEEE Transactions會刊等一二區論文150余篇，論著被引用次數超過一萬次(Google Scholar)，創新理論成果已被國際同行所公認并廣泛引用。

報告摘要：

For a long time, transparent antennas have been of planar (2D) structures, which are based on the theory of patch antenna. Very recently, 3D transparent antennas have also been developed. This is a rather new and attractive topic. The principle of 3D transparent antenna is based on the theory of dielectric resonator antenna (DRA); the resonance is caused by the whole 3D structure rather than a confined cavity as found in the patch-antenna case. The basic characteristics of glass DRA will be elucidated through the design of a hemispherical glass DRA. This glass DRA has been used as a focusing lens for a solar-cell panel, and the results of both the antenna and solar-cell panel parts will be shown. 

Today, many modern buildings have antennas installed for indoor wireless communications. By using transparent DRAs as covers of the light, the antenna and lighting systems can be combined into one. Their installations can be done in one go, reducing the overall installation work and cost of the two systems. Also, since the light-cover DRA simply appears as part of the lighting system, it is an excellent camouflage antenna. Different light-cover DRAs will be given in this talk.

3D transparent antennas can also be designed as aesthetic glass wares or artworks. This idea is especially useful when invisible antennas are needed due to psychological reasons. The results of the aesthetic glass antennas will be presented. Finally, glass antennas for other applications will be discussed in this talk.