作者: Ata Ur Rahman Khalid,Naeem Ullah,Yu Han,Urooj Asghar,Xiaocong Yuan,Fu Feng (Nanophotonics Research Center,Shenzhen Key Laboratory of Micro-Scale Optical Information Technology&Institute of Microscale Optoelectronics,Shenzhen University,Shenzhen 518000,China;College of Physics and Optoelectronics Engineering,Shenzhen University,Shenzhen 518000,China;Beijing Engineering Research Center for Mixed Reality and Advanced Display,School of Optics and Photonics,Beijing Institute of Technology,Beijing 100081,China;Department of Physics,Forman Christian College-University,Lahore 54600,Pakistan)
出处: 中国光学快报(英文版) 2023 第21卷 第1期 P32-37
关键词: metasurface;spin-insensitivity;meta-hologram;beam splitter
摘要: Metasurfaces,two-dimensional[2D]or quasi-2D arrays of dielectric or metallic meta-atoms,offer a compact and novel platform to manipulate the amplitude ...
作者: Tianling Qin1;Ge Mu1;Pengfei Zhao1;Yimei Tan1 2;Yanfei Liu3;Shuo Zhang1;Yuning Luo1;Qun Hao1 2 4;Menglu Chen1 2 4;Xin Tang1 2 4; (1 School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China. 2 Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China. 3 Zhongxinrecheng Science and Technology Co. Ltd., Beijing 101102, China. 4 Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing 100081, China.)
出处: Science advances 2023 Vol.9 No.28 Peadg7827
摘要: Colloidal quantum dot (CQD)-based photodetectors are promising alternatives to bulk semiconductor-based detectors to be monolithically integrated with ...
作者: Yaoyao Hu, Chengwen Liu, Zi Heng Lim, Yi Qi, Haoyang Sun, Jun Chang, Guangya Zhou (1Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, 117575, Singapore ; 2School of Optics and Photonics, Beijing Institute of Technology, 100081 Beijing, China ; 3Institute of Bioengineering and Bioimaging, Agency for Science, Technology and Research (ASTAR), 11 Biopolis Way, Helios, #02-02, 138667, Singapore)
出处: Optics express 2023 Vol.31 No.12 P19293-19308
关键词: Fourier transform spectroscopy;Hyperspectral imaging;Image quality;Image sensors;Medical imaging;Multispectral imaging
摘要: The time-delay integration (TDI) technique is increasingly used to improve the signal-to-noise ratio (SNR) of remote sensing and imaging by exposing t ...
作者: Ubaid Ur Rahman Qureshi1;M Ismail Khan23;Bin Hu1; (1Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, People\'s Republic of China;2Department of Electrical Engineering, COMSATS University Islamabad, Attock Campus, Pakistan;3Department of Electrical Engineering, City University of Hong Kong, People\'s Republic of China)
出处: Physica Scripta 2023 Vol.98 No.7 P075513
摘要: Circular dichroism is characterized by distinct optical responses for left-handed and right-handed circularly polarized waves widely used for biologic ...
作者: Da-Ya Zhang1;Shuo Yang2;Hai-Xiao Geng2;Yu-Jia Yuan2;Chi-Jiao Ding2;Jian Yang2;Ming-Yang Li3; (1 Department of Gastroenterology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China. 2 School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China. 3 Department of Gastroenterology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China. mingyangli_pla@163.com.)
出处: World journal of gastroenterology 2023 Vol.29 No.20 P3157-3167
关键词: Cholelithiasis;Endoscopic retrograde cholangiopancreatography;Hilar cholangiocarcinoma;Registration;Three-dimensional images.
摘要: Background: It has been confirmed that three-dimensional (3D) imaging allows easier identification of bile duct anatomy and intraoperative guidance of ...
作者: Jiankun Sun, Zhihui Yang, Fanfei Li, Qun Hao, Shaohui Zhang (1School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China ; 2Science and Technology on Electromagnetic Scattering Laboratory, Beijing 100854, China ; 3School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun Jilin 130022, China ; 4Laboratory of Science and Technology on Integrated Logistics Support, National University of Defense Technology, Changsha 410073, China ; 5qhao@bit.edu.cn)
出处: Optics express 2023 Vol.31 No.11 P18379-18398
关键词: Fringe projection;Geometric optics;Speckle patterns;Structured light;Three dimensional imaging;Three dimensional measurement
摘要: Fringe projection profilometry has gained significant interest due to its high precision, enhanced resolution, and simplified design. Typically, the s ...
作者: 杨泊钰,柯钧 (北京理工大学光电学院)
出处: 液晶与显示 2023 第38卷 第6期 P770-777
关键词: 散斑成像;事件相机;神经网络
摘要: 现有的通过散射介质的目标分析主要针对静止目标,同时,环境或外部亮度条件对目标分析结果有着至关重要的影响,这就对图像采集设备的动态范围、时间分辨率等性能提出了极高要求。事件相机由于其高动态范围、高时间分辨率与低延迟等特点为应对上述问题提供了新的解决思路。本文针对低照度情况下运动目标透过薄散射介质探测效 ...
作者: 王珉,吴亚锋,郑堃,谢玲玲,刘哲,皮慧慧,陈冰昆 (北京理工大学光电学院)
出处: 发光学报 2023 第44卷 第5期 P801-818
关键词: 非铅钙钛矿;Cs3Cu2I5;自限激子;发光二极管;光电探测
摘要: 铅基卤化物钙钛矿材料具有优异的光电性质,在光电器件中被广泛应用,包括太阳能电池、发光二极管(LED)、光电探测器、激光器等。但是,材料的低稳定性与铅的毒性成为其进一步商业化进程的绊脚石,因此发展全无机非铅卤化物钙钛矿及其衍生物成为目前的研究热点之一。Cs3Cu2
作者: 郑传建,杨德隆,张韶辉,胡摇,郝群 (北京理工大学光电学院)
出处: 液晶与显示 2023 第38卷 第6期 P712-729
关键词: 傅里叶叠层显微术;计算光学成像;相位恢复;位姿校正
摘要: 傅里叶叠层显微术(Fourier Ptychographic Microscopy, FPM)通过采集不同照明角度下的一组低分辨率强度图像,并利用合成孔径与相位恢复技术拼接融合,实现了大视场和高分辨率的定量复振幅成像。精确的频谱位置是重构算法的重要先验知识,对获得高质量的重构图像至关重要。因此,校正 ...
作者: Xi Wang1,2;Wei Wei1,2;Baixuanyao Ye1,2;Weilin Xie1,2;Zhongwei Tan1,2;Yi Dong1,2; (1Key Laboratory of Photonic Information Technology, Ministry of Industry and Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China 2Yangtze Delta Region Academy, Beijing Institute of Technology, Jiaxing, China)
出处: Journal of Lightwave Technology 2023 P1-6
关键词: Delays;Wideband;Probes;Optical mixing;Optical fiber networks;Thermal stability;Optical fibers
摘要: We demonstrate an ultra-stable wideband signal dissemination scheme suitable for distributed systems. By inserting a 26 GHz probe signal whose round-t ...