SCANNING ANTENNA AT THZ BAND BASED ON QUASI-OPTICAL TECHNIQUES

被引：14
|
作者：
Dou, W. B. [1 ]
Meng, H. F. [1 ]
Ni, B. [1 ]
Wang, Z. X. [1 ]
Yang, F. [1 ]
机构：
[1] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2010年 / 108卷
关键词：
WAVE-GUIDE; TERAHERTZ; SURFACE; MILLIMETER; HORN;
D O I：
10.2528/PIER10062810
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A scanning antenna at THz region is proposed and developed based on the quasi-optical techniques. It is composed of extended hemispherical lens/dielectric waveguide feed, inverse Cassegrain antenna, and transform lens. The extended hemispherical lens/dielectric waveguide feed is the key innovation of the scanning antenna. The inverse Cassegrain antenna is realized at THz region with special process and techniques, and the transform lens is used to match the input beam and the quasi-optical feed. The properties of the quasi-optical antenna are simulated with the FDTD method, and the experiments are carried out. The measured radiation pattern of the antenna is in agreement with the simulated result.
引用
收藏
页码：343 / 359
页数：17
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