发明人：姜澜，闫逸豪，李晓炜，王安东

申请日期：2023.12.27

摘要：本发明公开的一种利用激光划刻辅助循环冷却进行碳化硅晶体裂片的方法，属于飞秒激光应用技术领域。本发明实现方法为：1)激光划刻在碳化硅晶体侧壁刻蚀出V型槽，便于液体进入槽内并引发裂纹；2)将划刻后的晶体放置于循环冷却装置中，上表面粘结一层柔性层并施加恒定压力；3)利用液体凝固膨胀的原理使得晶体沿V型槽开 ...

发明人：姜澜，李璐奇，李晓炜，李松昌

申请日期：2023.12.27

摘要：本发明公开的一种基于飞秒激光双光子聚合制备的微柱可重构防伪全息图，属于激光应用技术领域。该防伪计算机全息图使用飞秒激光双光子聚合技术，通过激光直写，可加工出构成可重构全息图的最小单元的微柱结构，作为一种微纳结构，微柱在直立状态下可以对入射激光进行有效的调制，并且高度可灵活调控。作为变形单元，通过滴加 ...

作者：Bohong Li¹;，Lan Jiang^1,2,3;，Xiaowei Li¹;，Zhipeng Wang¹;，Peng Yi¹; （¹Laser Micro/Nano Fabrication Laboratory,School of Mechanical Engineering,Beijing Institute of Technology；²Beijing Institute of Technology Chongqing Innovation Center；³Yangtze Delta Region Academy of Beijing Institute of Technology）

出处：International Journal of Extreme Manufacturing 2024

摘要：The controllable transfer of droplets on the surface of objects has a wide application prospect in the fields of microfluidic devices, fog collection ...

发明人：姜澜，伊鹏，李晓炜，张向宇

申请日期：2024.05.14

摘要：本发明公开的电子自旋超快调控亚纳米级粗糙度激光刻型方法，属于激光应用技术领域。基于改进双温模型与三温模型，将激光偏振变化引起的时间相关的超快超强磁场变化过程通过泡利矩阵与电子自旋变化构建联系，构建偏振相关的飞秒激光与磁性金属材料相互作用过程的新模型；利用迈克尔逊干涉光路与1/4波片对入射的飞秒激光进 ...

作者：Xiaowei Li¹;Dong Zhao²;Xiangchun Li^{3   4};Yaoyu Shi¹;Jianhua Zeng¹;Shuhao Zhang¹;Changyong Zhou¹;Zhongbei Li⁵;Haiming Chang²; （¹ School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing, 100083, China. ² College of Safety and Emergency Management Engineering, Taiyuan University of Technology, Taiyuan, 030024, China. ³ School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing, 100083, China. chinalixc123@163.com. ⁴ State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China. chinalixc123@163.com. ⁵ School of Civil, Environmental and Architectural Engineering, University of Wollongong, MiningWollongong, NSW, 2522, Australia.）

出处：Environmental science and pollution research international 2024

关键词：Coal;Control mechanism;Diffusion behavior;Methane;Thermal stimulation.

摘要：Coalbed methane thermodynamic extraction, as an emerging ECBM recovery method, can effectively improve gas recovery rates. And clarifying methane diff ...