Offset semi-parabolic nanoantenna made of a photonic crystal parabolic mirror and a plasmonic bow-tie antenna

被引：1
作者：
Hattori, Haroldo T. [1 ]
机构：
[1] UNSW Canberra, Sch Engn & Informat Technol, Canberra, ACT 2610, Australia
来源：
APPLIED OPTICS | 2014年 / 53卷 / 29期
基金：
澳大利亚研究理事会;
关键词：
OPTICAL ANTENNAS; LASERS; LIGHT;
D O I：
10.1364/AO.53.006771
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In a parabolic mirror, light coming parallel to the antenna passes through its focal point. In this work, a waveguide feeds a semi-parabolic photonic crystal mirror and the emerging beam feeds a bow-tie antenna placed at the mirror's focal point-it is shown that the antenna system can not only feed a bow-tie antenna (producing a localized moderately high electric field) but also produces a directional radiation beam. The semi-parabolic mirror is also modified to reduce reflection back to the feeding waveguide. (C) 2014 Optical Society of America
引用
收藏
页码：6771 / 6777
页数：7
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