作者： Xin Li，Qinmiao Chen，Xue Zhang，Ruizhe Zhao，Shumin Xiao，Yongtian Wang，Lingling Huang （Beijing Engineering Research Center of Mixed Reality and Advanced Display，School of Optics and Photonics，Beijing Institute of Technology，Beijing 100081，China； MoE Key Laboratory of Photoelectronic Imaging Technology and System，and MIIT Key Laboratory of Photonics Information Technology，School of Optics and Photonics，Beijing Institute of Technology，Beijing 100081，China； State Key Laboratory on Tunable Laser Technology，Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System，Harbin Institute of Technology (Shenzhen)，Shenzhen 518055，China； National Key Laboratory of Science and Technology on Advanced Composites in Special Environments，Harbin Institute of Technology，Harbin 150080，China； Collaborative Innovation Center of Extreme Optics，Shanxi University，Taiyuan 030006，China）

出处： Opto-Electronic Advances 2022 第6卷 第8期 P220060

关键词： metasurface；color holography；dynamic display；code division multiplexing

摘要： Color metasurface holograms are powerful and versatile platforms for modulating the amplitude, phase, polarization, and other properties of light at m ...

作者： Ding He¹;Lv Guoqing¹;Cai Xue²;Chen Junyu²;Cheng Ziyi¹;Peng Yanxiu¹;Tang Guo²;Shi Zhao²;Xie Yang²;Fu Xin³;Yin Lan³;Yang Jian¹;Wang Yongtian¹;Sheng Xing² （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing Engineering Research Center of Mixed Reality and Advanced Display, Beijing, 100081;²Department of Electronic Engineering, Institute for Precision Medicine, Center for Flexible Electronics Technology, and IDG/McGovern Institute for Brain Research, Tsinghua University, Beijing National Research Center for Information Science and Technology, Beijing, 100084;³School of Materials Science and Engineering, Tsinghua University, Beijing, 100084）

出处： Light: Science & Applications 2022 第11卷 第6期 P130

摘要： Thermometric detectors are crucial in evaluating the condition of target objects spanning from environments to the human body. Optical-based thermal s ...

作者： 王涛;杨琢;冯翰林;黄玲玲;王涌天;张楠 （北京理工大学光电学院, 北京市混合现实与新型显示工程技术研究中心, 北京, 100081）

出处： 光子学报 2022 第51卷 第9期 P0951607

关键词： 银纳米线；柔性透明电极；飞秒激光；辐照焊接；柔性电子

摘要： 为了解决银纳米线受限于高温焊接工艺和物理焊接效率在柔性透明材料应用上存在瓶颈的问题,结合飞秒激光纳米焊接工艺制备了银纳米线/PMMA/PDMS柔性在可见波段透明的电极,通过对不同激光波长与不同银纳米线交叉角度间的相互作用进行数值模拟,摸索了激光焊接辐照强度以及银纳米线沉积密度的最佳工艺参数。研究结果 ...

作者： Pi Dapu;Liu Juan;Wang Yongtian （School of Optics and Photonics, Beijing Institute of Technology, Beijing Engineering Research Center for Mixed Reality and Advanced Display, Beijing, 100081）

出处： Light: Science & Applications 2022 第11卷 第9期 P231

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： 廖启明，杨静育，王涌天，黄玲玲 （北京理工大学光电学院）

出处： 激光与光电子学进展 2022 第59卷 第20期 P47-56

关键词： 微纳光学；增强现实；亚波长光栅；超表面

摘要： 增强现实显示器件作为一种可穿戴式的智能设备，通过将虚拟信息叠加在真实视野上，两种信息相互补充叠加，显著增强对真实世界的体验，对器件体积和质量的要求非常严格。微纳光学元件是指厚度及特征尺寸在纳米或微米量级的光学元件，在拥有强大的光场调控能力的前提下为缩减系统的尺寸和体积提供了新的途径。首先回顾几类典型 ...

作者： 沙浩，刘越，王涌天，卢晨光，赵梦泽 （北京市混合现实与新型显示工程技术中心北京理工大学光电学院）

出处： 光学学报 2022 第42卷 第19期 P47-57

关键词： 成像系统；深度估计；卷积神经网络；单目三维重建；几何约束

摘要： 提出了编码器到解码器结构的深度卷积神经网络，并基于二维层面和三维层面共同约束网络从单目图像中学习深度。在二维图像层面，为了均衡网络提取到的浅层细节特征和深层语义特征，引入通道注意力机制，在相同尺度上为编码器特征与解码器特征添加权重连接；为了得到边缘细节信息更丰富的深度图，构建了尺度不变损失和基于图像 ...

作者： Dapu Pi，Juan Liu，Yongtian Wang （Beijing Engineering Research Center for Mixed Reality and Advanced Display，School of Optics and Photonics，Beijing Institute of Technology，Beijing 100081，China）

出处： 光：科学与应用(英文版) 2022 第11卷 第9期 P1962-1978

关键词： HOLOGRAPHIC；DYNAMIC；OVERCOME

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： 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 Vol.510 P127833

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： Haijian Zhang;Yanxiu Peng;Nuohan Zhang;Jian Yang;Yongtian Wang;He Ding （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;²GMA Optoelectronic Technology Limited, Xinyang 464000, China）

出处： Micromachines 2022 Vol.13 No.7 P1069

关键词： microscale LEDs;lift-off;transfer printing;optogenetics;phototherapy;photometry

摘要： Thin-film microscale light-emitting diodes (LEDs) are efficient light sources and their integrated applications offer robust capabilities and potentia ...

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 Vol.131 No.18 P185108

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 ...