期刊
OPTICS EXPRESS
卷 26, 期 18, 页码 23760-23769出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.26.023760
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资金
- National Natural Science Foundation of China [11604167, 61501499]
- K.C. Wong Magna Fund in Ningbo University
- Foundation of Navigation [20151896014]
In this paper. we present a general method to realize polarization-selective dual-wavelength gap-surface plasmon metasurfaces (GSPMs), which are composed of strongly anisotropic meta-atoms periodically arranged in a rectangular lattice with two degrees of freedom to independently control the reflection phase and amplitude of orthogonal linear polarizations at two discrete wavelengths. We design and demonstrate dual-wavelength GSPMs as polarization beam splitters and focusing metunirrors operating at 850 and 1550 nm simultaneously. Our work provides a general approach to design multiwavelength, multifunctional metasurfaces with various potential applications. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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