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SELF-FOCUSING: 作品数：58被引量：26H指数：3; 导出分析报告; 相关领域：电子电信理学机械工程更多>>; 相关作者：周馨我更多>>; 相关机构：北京理工大学更多>>; 相关期刊：《Frontiers of Optoelectronics》《Light(Science & Applications)》《Matter and Radiation at Extremes》《Plasma Science and Technology》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划广东省自然科学基金上海市自然科学基金更多>>

Efficient dual-stage all-solid-state post-compression for 100W level ultrafast lasers: 《High Power Laser Science and Engineering》2024年第4期65-71,共7页Zichen Gao Jie Guo Yongxi Gao Yuguang Huang Zhihua Tu Xiaoyan Liang; supported by the National Natural Science Foundation of China(NSFC)(No.62005298);the Program of Shanghai Academic/Technology Research Leader(No.20SR014501);Zhangjiang Laboratory。; We demonstrate efficient and economical all-solid-state post-compression based on dual-stage periodically placed thin fused silica plates driven by a more than 100 W ytterbium-doped yttrium aluminum garnet Innoslab am...; 关键词：high-power ultrafast source post-compression self-focusing effect

Damage characteristics of fused silica under low-temporal coherence light: 《High Power Laser Science and Engineering》2024年第3期77-83,共7页Chong Shan Lingbao Kong Fujian Li Yong Cui Lailin Ji Quan Zheng Daxing Rao Ruijing He Xiaohui Zhao Yuanan Zhao Zhan Sui; supported by National Natural Science Foundation of China(No.12074353)。; The damage characteristics of fused silica were investigated under low-temporal coherence light(LTCL).It was found that the laser-induced damage threshold(LIDT)of fused silica for the LTCL was lower than that of the s...; 关键词：laser-induced damage threshold low-temporal coherence light nonlinear self-focusing effect temporal spike

A simple method for pulse contrast enhancement via self-focusing: 《High Power Laser Science and Engineering》2024年第2期51-61,共11页Zaharit Refaeli Gilad Marcus Yariv Shamir; Here we report on a simple-to-implement and cost-effective approach for laser pulse contrast enhancement,based on the χ(3)nonlinear self-focusing effect.An intentionally induced and gently controlled self-focusing in...; 关键词：nonlinear optics pulse contrast SELF-FOCUSING ultrafast laser

THE LIMITING PROFILE OF SOLUTIONS FOR SEMILINEAR ELLIPTIC SYSTEMS WITH A SHRINKING SELF-FOCUSING CORE: 《Acta Mathematica Scientia》2024年第2期583-608,共26页金可石影谢华飞; supported by the NSFC (12071438);supported by the NSFC (12201232); In this paper,we consider the semilinear elliptic equation systems{△u+u=αQ_(n)(x)|u|^(α-2)|v|^(β)u in R^(N),-△v+v=βQ(x)|u|^(α)|v|^(β-2)v in R^(N),where N≥3,α,β>1,α+β<2^(*),2^(*)=2N/N-2 and Q_(n) are bound...; 关键词：Schrödinger system ground states solutions bound state solutions

Reducing laser beam fluence and intensity fluctuations in symmetric and asymmetric compressors被引量：1: 《High Power Laser Science and Engineering》2023年第6期277-286,共10页Efim Khazanov; supported by the Ministry of Science and Higher Education of the Russian Federation(075-15-2020-906,Center of Excellence‘Center of Photonics’).; All space-time coupling effects arising in an asymmetric optical compressor consisting of two non-identical pairs of diffraction gratings are described analytically.In each pair,the gratings are identical and parallel...; 关键词：self-focusing suppression space-time overlapping spatial and temporal self-filtering symmetric and asymmetric compressors

The influence of a self-focused laser beam on the stimulated Raman scattering process in collisional plasma: 《Communications in Theoretical Physics》2023年第12期156-163,共8页Keshav Walia Taranjot Singh; The influence of a self-focused beam on the stimulated Raman scattering(SRS)process in collisional plasma is explored.Here,collisional nonlinearity arises as a result of non-uniform heating,thereby causing carrier red...; 关键词：SELF-FOCUSING back-reflectivity back-scattered beam electron plasma wave nonuniform heating

Investigation of cavitation erosion caused by laser-induced single bubble collapse near alloy coating surface被引量：3: 《Journal of Hydrodynamics》2023年第5期876-886,共11页Hai-gang Wen Zhi-feng Yao Qin Wu Yu-rong Sun Chen-xi Yang Qiang Zhong; Project supported by the National Natural Science Foundation of China(Grant Nos.52179092,52222904).; To investigate the mechanism of cavitation erosion caused by laser-induced single bubble near the surface coating alloy coating material, we utilized a nanosecond resolution photography system based on a Q-switched Nd...; 关键词：Cavitation erosion bubble collapse LASER-INDUCED shock wave self-focusing effect

Self-focusing of partially coherent beams based on complex screen and split-step Fourier transform methods被引量：1: 《Chinese Optics Letters》2023年第7期53-58,共6页杨方伦张国文张笑琪张艳丽王瑞峰朱健强; supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(Nos.XDA25020203 and 25020301);the Innovation Fund of the Key Laboratory of the Chinese Academy of Sciences(No.CXJJ-21S015)。; The self-focusing phenomenon of partially coherent beams(PCBs)was simulated using the complex screen method combined with the split-step Fourier method to solve the nonlinear Schrödinger equation.Considering the propa...; 关键词：partially coherent beams SELF-FOCUSING NONLINEARITY complex screen method Gaussian Schell-model

Relativistic toroidal light solitons in plasma: 《Plasma Science and Technology》2023年第3期1-5,共5页程中明邓达超郁明阳武慧春; supported by the Strategic Priority Research Program of Chinese Academy of Sciences(No.XDA17040502)。; In the laser–plasma interaction,relativistic soliton formation is an interesting nonlinear phenomenon and important light mode convection in plasmas.Here,it is shown by threedimensional particle-in-cell simulations t...; 关键词：azimuthally polarized laser pulse near-critical underdense plasma toroidal solitons relativistic solitons in plasma 3D particle-in-cell simulation self-focusing in plasma

Additive manufacturing of high aspect-ratio structures with self-focusing photopolymerization: 《Light(Advanced Manufacturing)》2022年第3期120-149,共30页Mingyu Yang Kavin Kowsari Nia O.Myrie Daniela Espinosa-Hoyos Anna Jagielska Seok Kim Nicholas X.Fang Krystyn J.Van Vliet; M.Y.acknowledges the Angela Leong Fellowship Fund 2021-2022 from the Massachusetts Institute of Technology.K.K.acknowledges the financial support of the Natural Sciences and Engineering Research Council of Canada(award no.PDF-529703-2019);S.K.acknowledges the National Research Foundation of Korea(NRF)grant funded by the Korean government(MSIT)(No.2019R1A5A8083201 and 2022R1C1C1003966)。; Photocrosslinkable polymers have been exploited to attain impressive advantages in printing freestanding,micrometer-scale,mechanically compliant features.However,a more integrated understanding of both the polymer pho...; 关键词：Additive manufacturing Optical waveguide High aspect-ratio Biocompatible structures Polymer photochemistry

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