Dual-layer achromatic metalens design with an effective Abbe number

Planar achromatic metalenses with a thickness of the order of wavelength have attracted much attention for their potential applications in ultra-compact optical devices. However, realizing single-layer achromatic metalenses across a wide bandwidth requires that the corresponding meta-atoms have comp...

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Veröffentlicht in:	Optics express 2020-08, Vol.28 (18), p.26041-26055
Hauptverfasser:	Li, Mengmeng, Li, Shuaishuai, Chin, Lip Ket, Yu, Yefeng, Tsai, Din Ping, Chen, Rushan
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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