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Ultrathin Planar Microlens Arrays Based on Geometric Metasurface
Jin, Jinjin1,2; Zhang, Xiaohu1,2; Gao, Ping1; Luo, Jun1; Zhang, Zuojun1; Li, Xiong1; Ma, Xiaoliang1; Pu, Mingbo1; Luo, Xiangang1
Source PublicationANNALEN DER PHYSIK
Indexed BySCI ; Ei
WOS IDWOS:000425360400006
EI Accession Number20174604407187
AbstractAscribing to the properties of two dimensional parallel focusing and imaging, low propagation loss, integration and miniaturization, microlens array has been widely used in imaging, optical communication, organic light emitting devices, adaptive optics, photolithography, biomedical and other applications. However, the existing traditional microlens array suffers from difficulty in fabrication, large-thickness, curved surface, non-uniformity of light spots, or requirement of additional discrete components to control the microlens. Herein, a planar microlens array is experimentally demonstrated based on the geometric metasurface. The single microlens is composed of space-variant subwavelength metallic gratings with high polarization conversion efficiency and thus exhibits gradient phase distribution. The focused spot diameter of 22.5 m with radius of 350 m, focal length of 1 cm and the light spots intensity uniformity of 0.9885 (standard deviation 0.0115) at the focal plane are obtained. Moreover, the broadband property of microlens array is also confirmed. The novel design strategy for microlens array would facilitate the miniaturization of optical devices and be easily integrated in the optical interconnected devices.
Keywordmetallic grating metasurface microlens array Pancharatnam-Berry phase
EI KeywordsAdaptive optics ; Diffraction gratings ; Light ; Light emission ; Microoptics ; Miniature instruments ; Optical communication ; Optical instrument lenses ; Organic light emitting diodes (OLED)
EI Classification Number714.2 Semiconductor Devices and Integrated Circuits ; 717.1 Optical Communication Systems ; 741.1 Light/Optics ; 741.3 Optical Devices and Systems
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Document Type期刊论文
Affiliation1.State Key Lab of Optical Technologies on Nano-fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, P.O. Box 350, Chengdu; 610209, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Jin, Jinjin,Zhang, Xiaohu,Gao, Ping,et al. Ultrathin Planar Microlens Arrays Based on Geometric Metasurface[J]. ANNALEN DER PHYSIK,2018,530(2):1700326.
APA Jin, Jinjin.,Zhang, Xiaohu.,Gao, Ping.,Luo, Jun.,Zhang, Zuojun.,...&Luo, Xiangang.(2018).Ultrathin Planar Microlens Arrays Based on Geometric Metasurface.ANNALEN DER PHYSIK,530(2),1700326.
MLA Jin, Jinjin,et al."Ultrathin Planar Microlens Arrays Based on Geometric Metasurface".ANNALEN DER PHYSIK 530.2(2018):1700326.
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