云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(11075068)

国家自然科学基金(11075068): 作品数：13被引量：13H指数：2; 导出分析报告; 相关作者：赵培茜胡碧涛曹瑜孙铭泽孙少华更多>>; 相关机构：兰州大学更多>>; 相关期刊：《Science China(Physics,Mechanics & Astronomy)》《Chinese Physics B》《Chinese Physics C》《强激光与粒子束》更多>>; 相关主题：POLARIZEDLASER_PULSEHHGATTOSECONDSUPERCONTINUUM更多>>; 相关领域：理学电子电信机械工程核科学技术更多>>

Analysis of Enhanced Laser-Induced Breakdown Spectroscopy with Double Femtosecond Laser Pulses被引量：3: 《Plasma Science and Technology》2015年第2期147-152,共6页沈洁杨正才刘小亮史彦超赵培茜孙少华胡碧涛; supported by National Natural Science Foundation of China(Nos.11135002,11075069,91026021 and 11075068);Fundamental Research Funds for the Central Universities of China(lzujbky-2014-13,lzujbky-2014-14,lzujbky-2014-10 and lzujbky-2014-15); In this paper, an experimental study of collinear geometry double-pulse femtosecond LIBS was performed on a Ni sample in ambient air in an effort to clarify the contributing processes responsible for the signal enhanc...; 关键词：LIBS femtosecond laser double pulse signal enhancement

Optical Emission Spectroscopy Analysis of the Early Phase During Femtosecond Laser-Induced Air Breakdown被引量：1: 《Plasma Science and Technology》2014年第9期815-820,共6页刘小亮曹瑜王小山刘作业郭泽钦史彦超孙少华李玉红胡碧涛; supported by National Natural Science Foundation of China(Nos.11135002,11075069,91026021 and 11075068);the Scholarship Award for Excellent Doctoral Student Granted by the Ministry of Education of China; Single-pulse and double-pulse optical emission spectroscopy （OES） analyses were carried out in air by using ultrashort laser pulses at atmospheric pressure. The aim of this work is to use spectroscopic methods to an...; 关键词：LIPS OES electron temperature electron number density

飞秒激光低压镍等离子体光谱的实验研究被引量：1: 《强激光与粒子束》2014年第5期145-149,共5页孙少华刘小亮孙铭泽曹瑜史彦超赵培茜胡碧涛; 国家自然科学基金项目(11075068); 分别对低于0.1 MPa的空气和氩气环境气体条件下的飞秒激光镍等离子体光谱进行了实验研究。结果表明,在两种环境气体中,激光镍等离子体光谱均表现为连续谱和原子线状谱的叠加。随着环境气压的降低,由于电子密度的下降,从而使得低压条件...; 关键词：飞秒激光环境气压等离子体谱线强度

Role of excited states in the elliptically polarized harmonic generation被引量：1: 《Chinese Physics B》2014年第3期219-223,共5页杜洪川文一震王小山胡碧涛; Project supported by the National Natural Science Foundation of China(Grant Nos.91026021,11075068,10875054,11175076,and 10975065);the Fundamental Research Funds of the Central Universities of China(Grant No.lzujbky-2010-k08); We theoretically investigate the contribution of the excited state to the ellipticity of the harmonics from H＋ at different orientation angles irradiated by a linearly polarized laser pulse. It is found that the firs...; 关键词：high-order harmonic generation intense laser excited state ELLIPTICITY

Monte Carlo simulation of GEM-based for 14 MeV neutron detector被引量：3: 《Science China(Physics,Mechanics & Astronomy)》2013年第9期1740-1744,共5页WANG XiaoDong ZHANG YuLian ZHANG ChunHui HU BiTao; supported by the National Natural Science Foundation of China (Grant Nos.11075069,11075068,91026021 and 11135002); A new concept of neutron detector based on Gas Electron Multiplier(GEM) technology is presented in this paper,in which a novel multi-layer high density polyethylene(HDPE) as neutron-to-proton converter is proposed and...; 关键词：gas electron multiplier 14 MeV neutron detection efficiency position reconstruction

Significant discrepancy between the ionization time for parallel and anti-parallel electron emission in sequential double ionization: 《Chinese Physics B》2013年第9期366-369,共4页王小山杜洪川罗老永胡碧涛; supported by the National Natural Science Foundation of China (Grant Nos. 11135002, 11075069, 91026021, 11075068, and 10975065);the Fundamental Research Funds for the Central Universities of China (Grant No. lzujbky-2010-k08);the Scholarship Award for Excellent Doctoral Student granted by Ministry of Education; The ionization time in sequential double ionization with an elliptically polarized laser pulse has been examined theo- retically using a semiclassical method. The significant discrepancy between the ionization time fo...; 关键词：sequential ionization close-to-circularly polarized light semiclassical simulation

Spectral modulation and supercontinuum generation assisted by infrared femtosecond plasma grating: 《Chinese Physics B》2013年第7期359-363,共5页刘作业孙少华史彦超丁鹏基刘情操刘小亮丁宝卫胡碧涛; the National Natural Science Foundation of China(Grant Nos.11135002,11075069,91026021,and 11075068);the Scholarship Award for Excellent Doctoral Student of Ministry of Education,China; Spectral modulation and supercontinuum generation of a probe pulse is investigated by using the plasma grating induced by the interference of two infrared femtosecond laser pulses. The dependences of the supercontinuu...; 关键词：plasma grating supercontinuum generation redistribution of refractive index

Isolated attosecond pulse generation combining propagation effects and a modulated chirped polarization gating technique被引量：1: 《Science China(Physics,Mechanics & Astronomy)》2013年第5期888-895,共8页DU HongChuan LUO LaoYong WANG XiaoShan HU BiTao; supported by the National Natural Science Foundation of China (Grant Nos.91026021,11075068,10875054,11175076 and 10975065);the Fundamental Research Funds for the Central Universities(Grant No.lzujbky-2010-k08);Scholarship Award for Excellent Doctoral Students Granted by Ministry of Education; We propose a theoretical scheme to generate a broadband supercontinuum using a modulated chirped polarization gating technique. By this technique, a broadband continuum of 155 eV can be obtained at microscopic level. ...; 关键词：HHG SUPERCONTINUUM attosecond pulse

Density measurement through elastic electron scattering with a gaseous target at the Jefferson Lab: 《Chinese Physics C》2012年第7期610-615,共6页张毅钱鑫胡碧涛; Supported by National Natural Science Foundation of China (11075068, 10775062, 91026021, 11135002); We report the density measurement through e-3He elastic scattering with a 1.23 GeV electron beam in Jefferson Lab experiment E06-010. The extracted 3He density is （9.26±0.06） amagats and the N2/3He ratio is （1.49...; 关键词：pressure curve DILUTION polarized 3He target elastic scattering radiative correction

Peripheral collisions of highly charged ions with metal clusters: 《Chinese Physics B》2012年第5期190-198,共9页张成俊胡碧涛罗先文; Project supported by the National Natural Science Foundation of China (Grant Nos. 11135002,91026021,11075068,11075069,and 10975065);the Fundamental Research Funds for the Central Universities of China (Grant No. lzujbky-2010-k08); Within the framework of the dynamical classical over-barrier model,the soft collisions between slow highly charged ions（SHCIs） Ar 17＋ and the large copper clusters under large impact parameters have been studied in...; 关键词：highly charged ion metal cluster COLLISION

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