作者： Cai, Shunshuo¹;Ju, Yangyang²;Wang, Yangming²;Li, Xiaowei³;Guo, Tuan⁴;Zhong, Haizheng²;Huang, Lingling¹; （¹ Beijing Inst Technol, Sch Opt & Photon, Beijing Engn Res Ctr Mixed Real & Adv Display, Beijing 100081, Peoples R China. ;² Beijing Inst Technol, Sch Mat Sci & Engn, MIIT Key Lab Low Dimens Quantum Struct & Devices, Beijing 100081, Peoples R China. ;³ Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China. ;⁴ Jinan Univ, Inst Photon Technol, Guangzhou 510632, Peoples R China.）

出处： ADVANCED SCIENCE 2022 Vol.9 No.8

关键词： CHEMICAL SENSORS; TRACE OXYGEN; COMPLEX

摘要： Oxygen sensor is an important technique in various applications including industrial process control, medical equipment, biological fabrication, etc. ...

作者： Wu, Mengnan^{1, 2}; Li, Xiaowei²; Xiang, Zhikun²; Zhang, Leyi²; Yang, Yanpei²; Wang, Zhipeng²; Liu, Yang² （¹Beijing Institute of Technology, School of Mechatronical Engineering, Beijing; 100081, China;²Beijing Institute of Technology, School of Mechanical Engineering, Beijing; 100081, China）

出处： Zhongguo Jiguang/Chinese Journal of Lasers 2022 Vol.Vol.49 No.No.10

作者： Chao Zhang, Min Li, Baichen Ye, Jianying Wu, Zhi Wang;Xiaowei Li^;; （Laser Micro/Nano Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处： Opto-Electronic Engineering 2022 Vol.49 No.2 P210389

关键词： electrons dynamic control;femtosecond laser;micro-hole applications;micro-hole drilling;temporally/spatially shaping

摘要： As a common structure, microholes are widely used in various fields, including biomedical, aerospace, 3D packaging and so on. Femtosecond laser has un ...

发明人： 黄玲玲，张雪，王涌天，李晓炜，赵睿哲

申请人： 北京理工大学

申请号： 202210383510.6

申请日期： 2022.04.12

摘要： 本发明公开的基于达曼涡旋超颖表面的光束微分运算方法，属于涡旋光束、结构光束，光学通信领域。本发明实现方法为：设计广义涡旋光束，利用达曼涡旋光栅特有的各个衍射级次拓扑荷加减变化以及倍乘关系，结合广义涡旋光束具有的相位微分计算特点，在超颖表面上产生不同形状的广义涡旋光束阵列，通过构建光栅阵列并赋予广义涡 ...

发明人： 黄玲玲，陈屿丰，赵睿哲，李晓炜，王涌天

申请人： 北京理工大学

申请号： 202210799469.0

申请日期： 2022.07.06

摘要： 本发明公开的一种基于抛物线相位超表面的频率色散器件，属于微纳光学、频率色散调控、光谱分析领域。本发明能够在可见光宽波段内，基于贝里相位对超表面相位调制，在超表面形成抛物线型相位分布，实现对入射光的色散和聚焦，光经超表面器件作用后聚焦的焦距与波长成反比例关系。超表面所采用的矩形柱超颖原子结构便于贝里相 ...

发明人： 江毅，崔洋，姜澜，张雨彤，李晓炜

申请人： 北京理工大学

申请号： 202210627715.4

申请日期： 2022.06.06

摘要： 本发明涉及一种多边形周期结构蓝宝石光纤包层的制作方法，属于光纤传感领域，该技术通过飞秒激光在蓝宝石光纤侧表面沿着光纤轴向刻蚀出多边形的周期性的凹槽使得光纤外部周遭有效折射率降低，在蓝宝石光纤中心位置和周边形成微小的有效折射率差，使得蓝宝石光纤构成以刻蚀后的结构为外包层，未刻蚀部分为纤芯形成传光波导。 ...

作者： Jingxiao Yan;Qunshuo Wei;Yin Liu;Guangzhou Geng;Junjie Li;Xiaowei Li;Xin Li;Yongtian Wang;Lingling Huang （¹ Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China. ² Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100191, China. ³ Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China.）

出处： Small (Weinheim an der Bergstrasse, Germany) 2022 Vol.18 No.35 Pe2203197

关键词： holography;metasurfaces;optical encryption;single pixel imaging.

摘要： Compared with the traditional holographic technology, metasurface holography is a promising technology due to the large field angle and high spatial r ...

作者： Xue Zhang¹;Lingling Huang¹;Ruizhe Zhao¹;Hongqiang Zhou¹;Xin Li¹;Guangzhou Geng²;Junjie Li²;Xiaowei Li³;Yongtian Wang¹;Shuang Zhang^{4   5}; （¹ Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China. ² Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100191, China. ³ Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China. ⁴ Department of Physics, University of Hong Kong, Hong Kong, China. ⁵ Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China.）

出处： Science advances 2022 Vol.8 No.40 Peabp8073

摘要： In mathematics, general functions can be decomposed into a linear combination of basis functions. This principle can be used for creating an infinite ...

作者： Wei, Qunshuo¹;Huang, Lingling¹;Zhao, Ruizhe¹;Geng, Guangzhou²;Li, Junjie²;Li, Xiaowei³;Wang, Yongtian¹; （¹ Beijing Inst Technol, Sch Opt & Photon, Beijing Engn Res Ctr Mixed Real & Adv Display, Beijing 100081, Peoples R China. ;² Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China. ;³ Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China.）

出处： ADVANCED OPTICAL MATERIALS 2022 Vol.10 No.8

摘要： Since the emergence of optical metasurfaces, their outstanding wavefront modulation ability and numerous degrees of freedom (DOFs) have motivated many ...

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 Vol.352 Part 2 P130957

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 ...