Transparent near-infrared reflector metasurface with randomly dispersed silver nanodisks

被引：31

作者：

Tani, Takeharu ^{[1
]}

Hakuta, Shinya ^{[1
]}

Kiyoto, Naoharu ^{[1
]}

Naya, Masayuki ^{[1
]}

机构：

[1] FUJIFILM Corp, Frontier Core Technol Labs Res & Dev Management H, Kaisei, Kanagawa 2588577, Japan

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 08期

关键词：

OPTICAL-PROPERTIES; PLASMONIC METASURFACES; GOLD; NANOPARTICLES; REFRACTION; NANOSTRUCTURES; SHAPE;

D O I：

10.1364/OE.22.009262

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present large-area ultrathin metasurfaces that transmit visible light and reflect near-infrared (NIR) wavelengths. These visible-transparent metasurfaces consist of 10 nm-thick monolayer of randomly dispersed silver nanodisks, that is only lambda/90 thickness at the reflection peak wavelength. Calculated optical properties of the structure show that the reflectance for NIR wavelengths increases monotonically as a function of increasing nanodisk density, while the absorption saturates and scattering of visible light decreases. We demonstrate that the proposed structure is easy to fabricate with chemically synthesized silver particles using the bottom-up method and has industrially applications. (C) 2014 Optical Society of America

引用

页码：9262 / 9270

页数：9

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