Metasurface-based broadband hologram with high tolerance to fabrication errors

Scientific Reports
Xiaohu ZhangXiangang Luo

Abstract

With new degrees of freedom to achieve full control of the optical wavefront, metasurfaces could overcome the fabrication embarrassment faced by the metamaterials. In this paper, a broadband hologram using metasurface consisting of elongated nanoapertures array with different orientations has been experimentally demonstrated. Owing to broadband characteristic of the polarization-dependent scattering, the performance is verified at working wavelength ranging from 405 nm to 914 nm. Furthermore, the tolerance to the fabrication errors, which include the length and width of the elongated aperture, the shape deformation and the phase noise, has been theoretically investigated to be as large as 10% relative to the original hologram. We believe the method proposed here is promising in emerging applications such as holographic display, optical information processing and lithography technology etc.

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Citations

Jan 12, 2017·Nanoscale·Xiaohu ZhangXiangang Luo
Sep 8, 2017·Scientific Reports·Muhammad Waqas KhalidHaider Butt
Nov 17, 2016·Science Advances·Xiong LiXiangang Luo
Jul 16, 2017·Scientific Reports·Hujiang YangMing Lei
Aug 6, 2020·Optics Express·Ryota IzumiKentaro Iwami

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Methods Mentioned

BETA
electron beam lithography

Software Mentioned

CST MWS
CST Microwave Studio
IFTA

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