Research progress of transformation optics lens antenna

被引：0
|
作者：
Cao S.-W. [1 ]
Zhou Y.-J. [1 ]
Cheng H.-F. [1 ]
机构：
[1] Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, National University of Defense Technology, Changsha
来源：
Zhou, Yong-Jiang (zyj.ly@163.com) | 1600年 / Editorial Office of Chinese Optics卷 / 10期
关键词：
Lens antenna; Luneburg lens; Metamaterial; Quasi-conformal mapping; Transformation optics;
D O I：
10.3788/CO.20172002.0164
中图分类号：
学科分类号：
摘要：
Luneburg lens antenna is a kind of gradient index lens antenna, but its application is restricted due to certain disadvantages. In recent years, various new-type lens antennas, the most representative of which was planar Luneburg lens, were designed by means of transformation optics and metamaterial theories. In this paper, three transformation optics techniques of lens design including coordinate transformation, conformal mapping and quasi-conformal mapping are summarized and compared. Quasi-conformal mapping has better research and application prospect because of its flexibility in lens design and easy fabrication by all dielectric materials. Principles and procedures of quasi-conformal mapping in lens design are elaborated, and important research fruits about lens transformation and fabrication are introduced. Finally, the research directions of transformation optics lens antenna in the future are proposed. © 2017, China Science Publishing & Media LTD. All right reserved.
引用
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页码：164 / 175
页数：11
相关论文
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