作者：Zhaoyang Li;Xue Zhao;Chun Bao;Jie Cao;Dongxing Li;Qun Hao （¹School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China;²School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China）

出处：Computer Vision and Image Understanding 2023

摘要：Learning-based local feature point extraction work has made great research progress in related computer vision tasks. However, it is difficult to bala ...

作者：Yan-feng Song;Qun Hao;Jie Cao;Qiang-hui Liu;Hao Liu;Jie Li （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;²Xi\'an Modern Control Technology Research Institute, Xi\'an 710065, China）

出处：Journal of Physics: Conference Series 2023

摘要：As an ideal visual perception system with miniaturization, multi-aperture, wide field of view, low aberration, infinite depth of field, high efficienc ...

作者：Jingjing Li;Ying Bi;Kun Li;Lingyi Wu;Jie Cao;Qun Hao （¹ School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China. ² Beijing Institute of Aerospace Systems Engineering, Beijing 100076, China. ³ School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China. ⁴ Yangtze Delta Region Academy, Beijing Institute of Technology, Jiaxing 314003, China. ⁵ School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130013, China.）

出处：Sensors (Basel, Switzerland) 2023

关键词：accuracy;balanced detection;lidar;time-of-flight (TOF).

摘要：The ranging accuracy of pulsed time-of-flight (TOF) lidar is affected by walk error and jitter error. To solve the issue, the balanced detection metho ...

作者：Lijing Yu;Pin Tian;Libin Tang;Qun Hao;Kar Seng Teng;Hefu Zhong;Wenbin Zuo;Yulong Ji;Hongfu Li;Zhihua Li;Qi Ma;Min Yang;Lianjie Yu （¹The Laboratory of Photonics Information Technology, Ministry of Industry and Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;²Kunming Institute of Physics, Kunming 650223, China;³Yunnan Key Laboratory of Advanced Photoelectric Materials & Devices, Kunming 650223, China;⁴Department of Electronic and Electrical Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, United Kingdom;⁵School of Materials and Energy, Yunnan University, Kunming 650500, China）

出处：Materials & Design 2023

关键词：PbS colloidal quantum dots;Bi₂Te₃;Extended wavelength;Photodetector;Band alignment engineering;Stability

摘要：The tunable band gap of PbS colloidal quantum dots (CQDs) from ultraviolet (UV) to short-wave infrared (SWIR) bands provides many potential applicatio ...

作者：Lijing Yu;Pin Tian;Libin Tang;Wenbin Zuo;Hefu Zhong;Qun Hao;Kar Seng Teng;Guiqin Zhao;Runhong Su;Xiaoxia Gong;Jun Yuan （¹ School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China. ² Kunming Institute of Physics, Kunming 650223, China. ³ Yunnan Key Laboratory of Advanced Photoelectronic Materials & Devices, Kunming 650223, China. ⁴ School of Materials and Energy, Yunnan University, Kunming 650500, China. ⁵ Department of Electronic and Electrical Engineering, Swansea University, Bay Campus, Fabian Way, Swansea SA1 8EN, UK.）

出处：Sensors (Basel, Switzerland) 2023

关键词：Bi2Te3;broadband;colloidal quantum dots (CQDs);photodetector;room temperature;synergy effect.

摘要：Lead sulfide colloidal quantum dots (PbS CQDs) are promising optoelectronic materials due to their unique properties, such as tunable band gap and str ...

发明人：胡摇，刘一鸣，郝群，王子琛，徐楚恒

申请日期：2022.12.13

摘要：一种曲率半径测量方法及系统，能够利用较短的导轨即可实现曲率半径的高精度检测，极大增大了干涉法的测量范围，降低了测试成本。方法包括：(1)搭建检测光路，测量待测镜口径，将待测镜移动至共焦位置；(2)推动待测镜沿光轴方向移动，在位移测量干涉仪中获取轴向位移距离，在相位测量干涉仪中获取离焦波前；(3)对离 ...

发明人：郝群，唐鑫，陈梦璐，赵鹏飞

申请日期：2022.10.25

摘要：本发明涉及一种双波段量子点层、器件及其制备方法与应用，属于光电传感器技术领域。其中，该双波段量子点层包含复合在一起的红外感光膜层与可见光感光膜层，且红外感光膜层与可见光感光膜层构成两个同向P‑N异质结。由该双波段量子点层制备的器件能够实现在同一偏置电压下对红外及可见光的同时探测，且器件的光电转换效率 ...

发明人：郝群，唐鑫，陈梦璐，罗宇宁

申请日期：2022.11.14

摘要：本公开实施例涉及一种CMOS量子点成像芯片及其制备方法和驱动方法，该CMOS量子点成像芯片包括基底；探测单元，设置在基底的一侧，且阵列排布；探测单元包括紫外光‑可见光探测子单元和红外光探测子单元；紫外光‑可见光探测子单元在基底上的垂直投影与红外光探测子单元在基底上的垂直投影间错开；紫外光‑可见光探测 ...

发明人：韩斌，曹杰，史牟丹，梁龙，郝群，李林

申请日期：2022.11.18

摘要：本发明公开一种周视脉冲激光鬼成像探测与重构成像方法、装置及介质。所述方法包括：在根据所述控制指令执行混合模式的情况下，控制激光器发射光束，所述光束通过准直后，通过反射镜和带孔抛物反射镜后打到摆镜上，通过摆镜进行周视扫描，获得周围点的距离信息，对疑似兴趣点进行二次扫描获得距离信息，根据所述距离信息判断 ...

发明人：郝群，李千惠，胡摇，曹杰

申请日期：2022.11.07

摘要：前向街景与垂向天光复用的偏振成像系统及方法，能够同步捕捉前向街景视觉图像和垂向天光偏振特性，具有高集成度，在不使用多个传感器的情况下将基于前向街景的视觉导航和垂向天光的仿生偏振导航相结合，提高导航的精度和环境适应性。系统包括：第一带通滤光片(1)、第二带通滤光片(2)、偏振分光棱镜(3)、成像镜头( ...