Ultra-broadband transmissive gradient metasurface based on the topologically coding optimization method

Metasurfaces have provided a novel way on modulating the wavefront of electromagnetic (EM) waves, where phase modulating is an important method to control EM waves. Normally, phase can be continuously modulated by changing the size of a meta-atom. For a broadband device, it is essential that phase c...

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Veröffentlicht in:	Optics express 2021-07, Vol.29 (14), p.22136-22145
Hauptverfasser:	Cui, Xingshuo, Wang, Guangming, Wang, Dengpan, Li, Xiaofeng, Cai, Tong, Liu, Kaiyue
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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