郝群
光电学院
职称：教授
作者：刘惠兰
学位名称：博士
出处：北京理工大学 2004
关键词：非球面检测；部分补偿透镜；校准镜；非球面度
摘要：本文方法中，设计采用部分补偿透镜代替零补偿器，利用改进的泰曼-格林干涉仪，得到包含被测面信息的实际干涉图。采用数字技术构造虚拟的非球面标准参考面，通过光线追迹得到虚拟标准面的数字理论干涉图。将两幅干涉图利用数字技术产生莫尔图像，实现虚拟标准参考面与实际被测eIn this dissertation, ...
作者：QUN HAO，CHUANXUN CHEN，JIE CAO，ZHIKUO Li，YANG CHENG （Key Laboratory of Biomimetic Robots and Systems，Ministry of Education，Beijing Institute of Technology，Beijing 100081，China；Yangtze Delta Region Academy of Beijing Institute of Technology，Jiaxing 314003，China；Key Laboratory of Biomimetic Robots and Systems，Ministry of Education，Beijing Institute of Technology，Beijing 100081，China）
出处：光子学研究(英文) 2022
摘要：A remarkable feature of Alvarez lenses is that a wide focal length tuning range can be achieved using lateral displacement rather than commonly used a ...
作者：GE MU，TIANYU RAO，MENGLU CHEN，YIMEI TAN，QUN HAO，XIN TANG （School of Optics and Photonics，Beijing Institute of Technology，Beijing 100081，China；Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology，Beijing 100081，China；School of Optics and Photonics，Beijing Institute of Technology，Beijing 100081，China；School of Optics and Photonics，Beijing Institute of Technology，Beijing 100081，China；Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology，Beijing 100081，China；Yangtze Delta Region Academy of Beijing Institute of Technology，Jiaxing 314019，China；Yangtze Delta Region Academy of Beijing Institute of Technology，Jiaxing 314019，China）
出处：光子学研究(英文) 2022
摘要：Although the performance of quantum-dot-based light emitting diodes(QLEDs)has been significantly enhanced over the past years,conventional full-color ...
作者：Yao Hu1;Zhen Wang1;Qun Hao1 2; （1 Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China. 2 School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China.）
出处：Sensors (Basel, Switzerland) 2022
关键词：polarization grating;subaperture stitching;virtual–real combination interferometer.
摘要：This paper presents a polarization grating based circular subaperture stitching interferometer. The system can be used for small F/# concave surface t ...
作者：胡摇，陶鑫，郝群 （北京理工大学精密光电测试仪器及技术北京市重点实验室）
出处：红外与激光工程 2022
关键词：仪器科学与技术；非球面参数误差测量系统；虚实结合干涉法；猫眼波前定位
摘要：非球面广泛应用于光学系统中。表征非球面的基本参数包括顶点曲率半径、圆锥系数以及高阶非球面系数，它们贯穿了非球面的设计、制造、检测、装调过程。对非球面参数的高精度测量是加工和装调的前提。提出了一种基于虚实结合干涉仪的部分补偿非球面参数误差测量系统。在该系统中，采用部分补偿干涉法测量剩余波前，复用干涉仪 ...
