$Inverse design of sub-diffraction focusing metalens by adjoint-based topology optimization$

Inverse design of sub-diffraction focusing metalens by adjoint-based topology optimization

Breaking the diffraction limit to realize imaging at the nanoscale is challenging in scientific research. Traditional sub-diffraction focusing metalens is obtained by arranging artificially selected unit cells, of which the design process is passive and complex. This paper brings up an inverse desig...

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Veröffentlicht in:	New journal of physics 2023-10, Vol.25 (10), p.103026
Hauptverfasser:	Dong, Lianhong, Kong, Weijie, Wang, Changtao, Luo, Guoyu, Pu, Mingbo, Ma, Xiaoliang, Li, Xiong, Luo, Xiangang
Format:	Artikel
Sprache:	eng
Schlagworte:	adjoint method Design optimization Diffraction focusing metalens Image resolution Inverse design Metasurfaces Optimization Physics Structural design sub-diffraction Topology optimization
Online-Zugang:	Volltext
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