王涌天
作者: Zhou Lijun1,2;Yang Tong1,2;Gao Lina1,2;Cheng Dewen1,2;Wang Yongtian1,2 (1Beijing Inst Technol, Sch Opt & Photon, Beijing 100081, Peoples R China.;2Beijing Engn Res Ctr Mixed Real & Adv Display, Beijing 100081, Peoples R China.)
出处: ACTA OPTICA SINICA 2023 Vol.43 No.8
关键词: OPTICAL-SYSTEMS; SHAPE
摘要: Objective Freeform optical surface can benefit the design of off-axis nonsymmetric reflective imaging systems, as more design freedoms can be offered ...
作者: Zhou, Hongyin1;Liao, Kun2;Su, Zhaoxian1;Li, Tianhao1;Geng, Guangzhou3;Li, Junjie3;Wang, Yongtian1;Hu, Xiaoyong2;Huang, Lingling1; (1 Beijing Inst Technol, Beijing Engn Res Ctr Mixed Real & Adv Display, Sch Opt & Photon, Beijing 100081, Peoples R China. ;2 Peking Univ, Beijing Acad Quantum Informat Sci, Collaborat Innovat Ctr Quantum Matter, Nanooptoelectron Frontier Ctr Minist Educ, Beijing 100871, Peoples R China. ;3 Chinese Acad Sci, Inst Phys, Beijing 100191, Peoples R China.)
出处: NANOPHOTONICS 2023
关键词: ULTRA-COMPACT; WAVELENGTH
摘要: Tunable mode converter is a key component of channel switching and routing for optical communication system by adopting mode-division multiplexing. Tr ...
作者: Zhu, Shuangqi1;Jiang, Qiang1;Wang, Yongtian1;Huang, Lingling1; (1 Beijing Inst Technol, Beijing Engn Res Ctr Mixed Real & Adv Display, Sch Opt & Photon, Beijing 100081, Peoples R China.)
出处: NANOPHOTONICS 2023
摘要: Metalenses exhibit a substantial potential in replacing traditional optical component as they present a methodology for miniaturization. Lenses with t ...
作者: Jing, Xiaoli1; Li, Yao2; Li, Junjie2; Wang, Yongtian1; Huang, Lingling1 (1Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing; 10081, China;2Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing; 100191, China)
出处: Nanophotonics 2023
作者: Jiahao Wei,1;Chenxiao Wei,1;Haowen Ma,1;Dapu Pi,1;Haifeng Li,2;Xu Liu,2;Yongtian Wang,1;and Juan Liu1,;; (1Beijing Engineering Research Center for Mixed Reality and Advanced Display, MoE Key Lab of Photoelectronic Imaging Technology and System, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China 2State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China Corresponding author: juanliu@bit.edu.cn)
出处: Optics Express 2023 Vol.31 No.18 P28716-28733
关键词: Diffraction theory;Digital micromirror devices;Fresnel diffraction;Holographic displays;Holographic recording;Image quality
摘要: In this paper, we propose a convolutional symmetric compressed look-up-table (CSC-LUT) method to accelerate computer-generated hologram (CGH) computat ...
作者:
Yi Xiao1;Hao Sha1;Huaying Hao1;Yue Liu1;
出处: Displays 2023 P102535
摘要: Recovering 3D hand mesh from a monocular RGB image has a wide range of application scenarios such as VR/AR. The parametric hand model provides a good ...
作者: Wang, Jiajun1; Liu, Yue1; Wu, Yuhui1; Sha, Hao1; Wang, Yongtian1 (1Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing; 100081, China)
出处: Guangxue Xuebao/Acta Optica Sinica 2023 Vol.43 No.14
作者: Wei, Chenxiao1; Zhou, Ruyi1; Ma, Haowen1; Pi, Dapu1; Wei, Jiahao1; Wang, Yongtian1; Liu, Juan1 (1Beijing Engineering Research Center for Mixed Reality and Advanced Display, MoE Key Lab of Photoelectronic Imaging Technology and System, School of Optics and Photonics, Beijing Institute of Technology, Beijing; 100081, China)
出处: Optics Express 2023 Vol.31 No.15 P25153-25164
发明人: 李昕,黎诚智,景晓丽,黄玲玲,王涌天
申请人: 北京理工大学
申请号: 202311440332.7
申请日期: 2023.11.01
摘要: 本发明公开的一种基于超颖表面的非三角测量结构光传感方法,属于微纳光学、三维全息和结构光传感技术领域。本发明实现方法为:利用几何相位原理对入射到超颖表面上的圆偏振光束进行相位调制,实现预定图像和预定范围的三维全息投影。根据预设匹配策略,设计一系列相关性区分度满足匹配策略判定需求的阵列结构光图像,调整多 ...
作者: Li Xin1;Zhang Shifei1;Zhang Xiaotong1;Yang Jingyu1;Zheng Longhao1;Huang Lingling1;Wang Yongtian1 (1Beijing Institute of Technology; Beijing Institute of Technology; Beijing Institute of Technology)
出处: ACTA OPTICA SINICA 2023 Vol.43 No.15
关键词: DIELECTRIC METASURFACE; PHASE DISCONTINUITIES; POLARIZATION; GENERATION; VERSATILE
摘要: Significance Metasurfaces are two-dimensional artificial engineered optical elements composed of subwavelength metaatoms that have highly flexible des ...