发明人：HUANG LINGLING;黄玲玲;ZHANG XUE;张雪;WANG YONGTIAN;王涌天;LI XIAOWEI;李晓炜

申请日期：2021.11.15

摘要：(EN) The invention discloses a design method and a preparation method of a generalized vortex light beam, and belongs to the field of vortex light bea ...

发明人：宋维涛;袁悦;王涌天;刘越;马诗宁

申请日期：2022.09.13

摘要：(ZH) 本发明属于光辐射测量技术领域，具体涉及一种包含对比板的成像式散射属性测量系统及测量方法，该系统包括底板、对比板、准直光源、主镜、次镜、聚焦透镜和成像探测器，其中底板上设有样品孔，对比板安装在底板上；主镜为凹面反射镜，覆盖在底板上形成一个暗室环境；主镜上设置有入光孔和出光孔，多个准直光源固定 ...

发明人：CONG, Weijian;LIANG, Ping;YANG, Jian;WANG, Yongtian;WU, Wenbo;LIU, Yue;XUE, Jin;CHEN, Lei

申请日期：2014.06.18

摘要：An ultrasonic training system based on CT image simulation and positioning accelerates, by using a CPU, the implementation of ultrasonic image simulat ...

发明人：CHENG, DEWEN;WANG, YONGTIAN;HUA, HONG

申请日期：2010.04.30

摘要：A tiled head-mounted display device comprises an optical component including a plurality of prisms with free-form surfaces, and a display component in ...

作者：Dewen Cheng¹;CA1;Hailong Chen¹;Wenrui Shen¹;Tong Yang¹;CA2;Yue Liu¹;Yongtian Wang¹; （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing; 100081, China）

出处：Optics and Lasers in Engineering 2023

关键词：Imaging system;Freeform surface;Stitched surface

摘要：Freeform surfaces provide more design degrees of freedom (DOFs) to optical systems, making it possible to achieve higher performance and more powerful ...

作者：Dapu Pi;Juan Liu;Yongtian Wang （¹ Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China. ² Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China. juanliu@bit.edu.cn.）

出处：Light, science & applications 2022

关键词：LOOK-UP-TABLE;SPATIAL LIGHT-MODULATOR;FRONT-RECORDING PLANE;OPTIMIZED RANDOM-PHASE;POLYGON-BASED METHOD;IMAGE QUALITY ENHANCEMENT;HEAD-MOUNTED DISPLAY;WIDE VIEWING ANGLE;LIQUID-CRYSTAL;COMPLEX MODULATION

摘要：Holographic three-dimensional display is an important display technique because it can provide all depth information of a real or virtual scene withou ...

作者：Liu, Yin;Chen, Yufeng;Zhou, Shipeng;Huang, Lingling;Wang, Yongtian;Li, Xiaowei （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 10081, China;²Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 10081, China）

出处：Sensors and Actuators B: Chemical 2022

关键词：MACH-ZEHNDER INTERFEROMETER;POLYMER OPTICAL-FIBER;RELATIVE-HUMIDITY;POLYVINYL-ALCOHOL;SENSOR;STRAIN;FILM

摘要：In response to the requirements of small effective sensing volume for simultaneous interpreting of resonant peaks with different sensing sensitivities ...

作者：Chen, Shanshan;Ji, Chang-Yin;Han, Yu;Liu, Xing;Wang, Yongtian;Liu, Juan;Li, Jiafang （¹Key Lab of Advanced Optoelectronic Quantum Architecture and Measurement, Ministry of Education, Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing; 100081, China;²Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing; 100081, China;³Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing; 314019, China）

出处：APL Photonics 2022

关键词：NANO-KIRIGAMI;NANOSTRUCTURES;METAMATERIAL;RESONANCE;CHIRALITY

摘要：Chirality reversal between enantiomers is of great importance in both fundamental science and practical applications in chiroptics, biomedicine, and a ...

作者：Zhang, Qingtian;Song, Weitao;Liu, Yue;Wang, Yongtian （¹Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing, 100081, China;²AICFVE of Beijing Film Academy, Beijing, 100088, China）

出处：Optics Communications 2022

关键词：Light-field method;Maxwellian-view;Near-eye display

摘要：We have proposed an optical see-through near-eye display method, which combines Maxwellian-view and light-field displays by a space-division multiplex ...

作者：Liu, Bingyi;Wei, Qunshuo;Su, Zhaoxian;Wang, Yongtian;Huang, Lingling （¹School of Optics and Photonics, Beijing Engineering Research Center of Mixed Reality and Advanced Display, Beijing Institute of Technology, Beijing; 100081, China;²Department of Physics, Paderborn University, Warburger Str. 100, Paderborn; 33098, Germany）

出处：Journal of Applied Physics 2022

关键词：METASURFACE;SPIN;PROPAGATION;REFLECTION;OPTICS

摘要：Optical geometric-phase metasurfaces provide a robust and efficient means for light wave control by simply manipulating the spatial orientations of th ...