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Beam‐Steering Metasurface: Two‐Dimensional Electromechanically Transformable Metasurface with Beam Scanning Capability Using Four Independently Controllable Shape Memory Alloy Axes (Advanced Optical Materials 22/2020)
Advanced Optical Materials ( IF 9 ) Pub Date : 2020-11-18 , DOI: 10.1002/adom.202070087
Syed Imran Hussain Shah 1 , Anirban Sarkar 1 , Ratanak Phon 1 , Sungjoon Lim 1
Affiliation  

In article number 2001180, Sungjoon Lim and co‐workers propose an electromechanically transformable metasurface working as a beam‐steering surface with wider tuning range in the azimuth plane and a simplified independent switching mechanism. The incorporation of four shape memory alloy (SMA) actuator springs allows swift movements in different directions. The electrical control of the pitches of the four springs oriented along the four different SMA axes enables adequate mechanical transformation of the 2D metasurface to obtain beam coverage capability.
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中文翻译:

光束控制超表面:使用四个独立可控的形状记忆合金轴具有扫描功能的二维机电可变形超表面(先进光学材料22/2020)

在Sungjoon Lim及其同事的文章编号2001180中,提出了一种可机电转换的超表面,它用作波束控制表面,在方位平面上具有更宽的调谐范围,并具有简化的独立开关机制。包含四个形状记忆合金(SMA)致动器弹簧,可在不同方向上快速移动。沿四个不同的SMA轴定向的四个弹簧的螺距的电气控制可实现2D超表面的适当机械转换,以获得射束覆盖能力。
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更新日期:2020-11-18
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