偏振器
极化(电化学)
材料科学
电介质
介质谐振器
光电子学
铟
谐振器
光学
共振器天线
可重构天线
物理
天线效率
辐射模式
天线(收音机)
计算机科学
电信
化学
物理化学
双折射
作者
Zhe Chen,Hang Wong,James R. Kelly
标识
DOI:10.1109/tap.2019.2901132
摘要
In this communication, we introduce a glass dielectric resonator antenna (DRA) incorporating a liquid-metal polarizer capable of polarization reconfiguration. The polarizer is formed by a type of liquid-metal alloy composed of gallium, indium, and tin. The antenna is capable of generating three different polarizations: a −45° polarization (STATE 1), a +45° polarization (STATE 2), and a $y$ -axis polarization (STATE 3). The glass DRA is designed to operate at 2.4 GHz with a wide effective bandwidth (overlapped impedance bandwidths of the three states) of 18.0% and a high radiation efficiency of more than 80%. The experimental results agree well with the theoretical analyses.
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