Deterministic Approach to Achieve Broadband Polarization-Independent Diffusive Scatterings Based on Metasurfaces

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成果类型：

期刊论文

作者：

Xu, He-Xiu*;Ma, Shaojie;Ling, Xiaohui;Zhang, Xiao-Kuan;Tang, Shiwei;...

通讯作者：

Xu, He-Xiu;Zhou, Lei

作者机构：

[Ma, Shaojie; He, Qiong; Xu, HX; Zhou, L; Xu, He-Xiu; Zhou, Lei; Cai, Tong; Ling, Xiaohui] Fudan Univ, State Key Lab Surface Phys, Key Lab Micro & Nano Photon Struct, Minist Educ, Shanghai 200433, Peoples R China.

[Ma, Shaojie; He, Qiong; Xu, HX; Zhou, L; Xu, He-Xiu; Zhou, Lei; Cai, Tong; Ling, Xiaohui] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.

[Xu, He-Xiu; Zhang, Xiao-Kuan; Cai, Tong] Air Force Engn Univ, Air & Missile Def Coll, Xian 710051, Shaanxi, Peoples R China.

[Sun, Shulin] Fudan Univ, Shanghai Engn Res Ctr Ultraprecis Opt Mfg, Green Photon, Shanghai 200433, Peoples R China.

[Sun, Shulin] Fudan Univ, Dept Opt Sci & Engn, Shanghai 200433, Peoples R China.

通讯机构：

[Xu, HX; Zhou, L; Zhou, Lei] F

[Xu, He-Xiu] A

[Xu, He-Xiu] H

Fudan Univ, State Key Lab Surface Phys, Key Lab Micro & Nano Photon Struct, Minist Educ, Shanghai 200433, Peoples R China.

Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.

语种：

英文

关键词：

broadband;diffusive scattering;focusing-phase;metasurface;Pancharatnam-Berry phase

期刊：

ACS Photonics

ISSN：

2330-4022

年：

2018

卷：

期：

页码：

1691-1702

DOI：

10.1021/acsphotonics.7b01036

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11734007, 61501499, 11474057, 11674068, 11404063, 11604167]; National Key Research and Development Program of China [2017YFA0303500]; National Defense Foundation of China [2201078]; Innovative Talents Cultivate Program of Shaanxi Province [2017KJXX-24]; Shanghai Science and Technology CommitteeShanghai Science & Technology Committee [16JC1403100, 16ZR1445200]; Natural Science Foundation of Shaanxi ProvinceNatural Science Foundation of Shaanxi Province [2016JQ6001]; Aviation Science Foundation of China [20161996009]

机构署名：

本校为通讯机构

院系归属：

物理与电子工程学院

摘要：

Diffusive scatterings of electromagnetic (EM) waves by a thin screen are important in many applications, but available approaches cannot ensure uniform angular distributions of low-intensity scatterings without time-consuming optimizations. Here, we propose a robust and deterministic approach to design metasurfaces to achieve polarization-independent diffusive scatterings of EM waves within an ultrabroad frequency band and for wide-range of incident angles. Our key idea is to use high-efficiency Pancharatnam-Berry meta-atoms to form subarrays e...

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Deterministic Approach to Achieve Broadband Polarization-Independent Diffusive Scatterings Based on Metasurfaces

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