Facile metagrating holograms with broadband and extreme angle tolerance

作     者：Zi-Lan Deng Junhong Deng Xin Zhuang Shuai Wang Tan Shi Guo Ping Wang Yao Wang Jian Xu Yaoyu Cao Xiaolei Wang Xing Cheng Guixin Li Xiangping Li 

作者机构：Guangdong Provincial Key Laboratory of Optical Fiber Sensing and CommunicationsInstitute of Photonics TechnologyJinan University510632 GuangzhouChina Department of Materials Science and EngineeringSouthern University of Science and Technology518055 ShenzhenChina Shenzhen Institute for Quantum Science and EngineeringSouthern University of Science and Technology518055 ShenzhenChina College of Electronic Science and TechnologyShenzhen University518060 ShenzhenChina Materials Characterization and Preparation CenterSouthern University of Science and Technology518055 ShenzhenChina Institute of Modern OpticsKey Laboratory of Optical Information Science and TechnologyNankai University300350 TianjinChina 

出 版 物：《Light(Science & Applications)》 (光（科学与应用)（英文版）)

年 卷 期：2018年第7卷第1期

页      面：305-312页

核心收录：

学科分类：070207[理学-光学] 07[理学] 08[工学] 0803[工学-光学工程] 0702[理学-物理学] 

基　　金：supported by the National Key R&D Program of China(YS2018YFB110012) the National Natural Science Foundation of China(NSFC)(Grant 11604217,61522504,61420106014,11774145,11734012,11574218) the Fundamental Research Funds for the Central Universities(Grant 21617410) the Guangdong Provincial Innovation and Entrepreneurship Project(Grant 2016ZT06D081,2017ZT07C071) the Applied Science and Technology Project of the Guangdong Science and Technology Department(2017B090918001) the Natural Science Foundation of the Shenzhen Innovation Committee(JCYJ20170412153113701) 

主　　题：angle extreme uniformly 

摘      要：The emerging meta-holograms rely on arrays of intractable meta-atoms with various geometries and sizes for customized phase profiles that can precisely modulate the phase of a wavefront at an optimal incident angle for given *** stringent and band-limited angle tolerance remains a fundamental obstacle for their practical application,in addition to high fabrication precision *** a different design principle,we determined that facile metagrating holograms based on extraordinary optical diffraction can allow the molding of arbitrary wavefronts with extreme angle tolerances(near-grazing incidence)in the visible–near-infrared *** modulating the displacements between uniformly sized meta-atoms rather than the geometrical parameters,the metagratings produce a robust detour phase profile that is irrespective of the wavelength or incident *** demonstration of high-fidelity meta-holograms and in-site polarization multiplexing significantly simplifies the metasurface design and lowers the fabrication demand,thereby opening new routes for flat optics with high performances and improved practicality.