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本文设计了一个以二维光子晶体为基底用于太赫兹无线通信的微带贴片天线(0.4-0.6Thz)。太赫兹波介于微波和光频之间,占有很大的带宽,随着人们对通信质量的要求越来越高,太赫兹通信将成为必然趋势。用二维光子晶体做基底,有抑制表面波,提高天线的方向性,增益和效率等特性。文章中设计的天线的带宽,增益和方向性分别达到了31.7%,6.7DB和8.5DBi,为未来短距离无线通信和太赫兹空间通信提供了参考。本文选用了CST仿真软件。
This paper designs a microstrip patch antenna (0.4-0.6Thz) for terahertz wireless communication based on two-dimensional photonic crystals. Terahertz waves occupy a large bandwidth between the microwave and the optical frequency, and terahertz communication will become an inevitable trend as people request higher and higher quality of communication. With two-dimensional photonic crystal substrate, there is suppression of surface waves, improve the antenna directivity, gain and efficiency and other characteristics. The bandwidth, gain and directivity of the antenna designed in this paper reach 31.7%, 6.7DB and 8.5DBi, respectively, which provide a reference for future short-range wireless communication and terahertz space communication. This article selects CST simulation software.