作者:庞素娜,王锋 (北京理工大学 物理学院)
出处:ACTA PHOTONICA SINICA 2022
关键词:高次谐波产生;孤立阿秒脉冲;含时密度泛函理论;氩晶体;少周期飞秒激光脉冲
摘要:采用第一性原理的含时密度泛函理论方法,从理论上研究了在少周期飞秒脉冲辐照下的氩晶体中孤立阿秒脉冲产生的最优控制。系统地研究了相对于晶体的不同激光偏振方向对孤立阿秒脉冲产生的影响,研究表明相对于晶体的激光偏振方向是产生孤立阿秒脉冲的敏感控制参数。对于Ar晶体,在最佳激光偏振方向上产生的孤立阿秒脉冲强度 ...
发明人:曾吉勇,胡君剑,王锋,乔川,周天丰,刘朋,谢秋晨
申请日期:2022.09.08
摘要:本发明提供了一种光学透镜的切割分离方法及系统。光学透镜的切割分离方法,包括:将一个或多个待切割的光学透镜放置于激光切割设备中的预设位置;通过激光作用于所述光学透镜并沿预设切割路径移动,以在所述光学透镜上形成改性区域;将光学透镜放入冷冻设备中进行冷冻裂片;经过第一预设时间后,将光学透镜从所述冷冻设备中 ...
作者:Qiu, Zhiwen;Wang, Feng;Wang, Chenyue;Zhu, Cheng;Wang, Hao;Chen, Qi;Chen, Yihua;Zhang, Yu;Guo, Zhenyu;Li, Nengxu;Zai, Huachao;Vicent-Luna, José Manuel;Tao, Shuxia;Zhou, Huanping (1School of Materials Science and Engineering, Peking University, Beijing; 100871, China;2Department of Materials Science and Engineering, Beijing Institute of Technology, Beijing; 100081, China;3Radiation Facility (SSRF), Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Shanghai; 201204, China;4Department of Applied Physics, Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, Eindhoven; 5600 MB, Netherlands)
出处:SSRN 2022
摘要:Cesium lead iodide (CsPbI3) has gained great attention due to its thermal stability and appropriate bandgap (≈1.73 eV) at black (γ) phase potentially ...
发明人:曾吉勇;胡君剑;王锋;乔川;周天丰;刘朋;谢秋晨
申请日期:2022.09.08
摘要:(ZH) 本发明提供了一种光学透镜的切割分离方法及系统。光学透镜的切割分离方法,包括:将一个或多个待切割的光学透镜放置于激光切割设备中的预设位置;通过激光作用于所述光学透镜并沿预设切割路径移动,以在所述光学透镜上形成改性区域;将光学透镜放入冷冻设备中进行冷冻裂片;经过第一预设时间后,将光学透镜从所述 ...
作者:Feng, Xiurong;Wang, Feng (1School of Physics, Beijing Institute of Technology, Beijing; 100081, China)
出处:Physical Review E 2022
关键词:DENSITY-FUNCTIONAL THEORY;OCTOPUS;SPACE;TOOL
摘要:In this paper, we present an improved real-time current-based approach for calculating the frequency-dependent dielectric function of a bulk periodic ...
作者:Ning, Shuo1;Luo, Lingling1;Yu, Beiming1;Mai, Dina1;Wang, Feng1; (1Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, 100081, China)
出处:Journal of Leukocyte Biology 2022
关键词:inhibitors;linear ubiquitin chains;LUBAC;LUBAC-associated DUBs;structure
摘要:Ubiquitination is a reversible posttranslational modification in which ubiquitin is covalently attached to substrates at catalysis by E1, E2, and E3 e ...
作者:Tang, Xiaolin;Zhou, Haitao;Wang, Feng;Wang, Weida;Lin, Xianke (1College of Mechanical and Vehicle Engineering, Chongqing University, Chongqing, 400044, China;2School of Economics and Business Administration, Institution of Energy Economics, Chongqing University, Chongqing University, Chongqing, 400044, China;3Schoolof Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;4Department of Automotive, Mechanical and Manufacturing Engineering, Ontario Tech University, Oshawa, ON L1G 0C5, Canada)
出处:Energy 2022
关键词:POWER MANAGEMENT;OPTIMIZATION;ALGORITHM;LIFETIME;DESIGN
摘要:Deep reinforcement learning-based energy management strategy play an essential role in improving fuel economy and extending fuel cell lifetime for fue ...
作者:Zeng, Tian-Hai;|Li, Kai;|Wang, Feng;|Shao, Bin;|Liang, Shi-Dong (1School of Physics, Beijing Institute of Technology, 100081, Beijing, China;2School of Physics, Sun Yat-Sen University, 510275, Guangzhou, China)
出处:Internat. J. Theoret. Phys. 2023
关键词:Beam splitter;Entangled state;Coherent superposed pure state;Quantum tunneling effect;Double-slit experiment;The zeroth postulate
摘要:There has been wide interest in beam splitter, quantum tunneling, and double-slit experiments for a long time. The states of single material particles ...
发明人:周天丰,曾子浩,刘朋,谢秋晨,于谦,赵斌,曾吉勇,胡君剑,王克民,王锋,乔川
申请日期:2022.12.20
摘要:本发明提供一种激光刻蚀装置、激光刻蚀方法和微透镜阵列,其中激光刻蚀装置包括承载结构、激光器和至少两片反射镜,承载结构用于固定刻蚀基材,且承载结构中与刻蚀基材相对应的位置具有透光部。激光器能够发射用于刻蚀的激光束。反射镜设置于激光器的光路下游,并位于承载结构相对的两侧,以使激光束由大致垂直于刻蚀基材的 ...
发明人:周天丰,刘朋,谢秋晨,曾吉勇,王锋,乔川
申请日期:2023.06.08
摘要:本发明提供了一种光学器件的激光切割方法及系统,涉及光学器件加工技术领域。激光切割方法包括:将待切割的光学器件浸入切割辅助介质中,切割辅助介质的折射率与光学器件的折射率之间相差不超过5%;降低切割辅助介质的温度,以降低切割辅助介质的流动性;通过激光作用于光学器件并沿预设切割路径进行切割,以在光学器件上 ...