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(91026021)

国家自然科学基金(91026021): 作品数：20被引量：31H指数：3; 导出分析报告; 相关作者：胡碧涛刘作业张宏俊刘情操任忠国更多>>; 相关机构：兰州大学中国工程物理研究院更多>>; 相关期刊：《Plasma Science and Technology》《原子核物理评论》《Chinese Physics B》《核电子学与探测技术》更多>>; 相关主题：POLARIZEDLASER_PULSEHHGRECONSTRUCTIONPOSITION更多>>; 相关领域：理学机械工程核科学技术电子电信更多>>

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

Position reconstruction in fission fragment detection using the low pressure MWPC technique for the JLab experiment E02-017: 《Chinese Physics C》2014年第7期22-29,共8页邱玺玉 L.Tang A.Margaryan 徐进章胡碧涛陈熙萌; Supported by National Natural Science Foundation of China(11175075,11135002 and 91026021);supported by the State Scholarship Fund Program of the China Scholarship Council; When a A hyperon is embedded in a nucleus it can form a hypernucleus. The lifetime and its mass dependence of stable hypernuclei provide information about the AN interaction in the nuclear medium. This work will intro...; 关键词：HYPERNUCLEI DECAY LPMWPC fission fragment position reconstruction

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

三次谐波法测量K9玻璃的折射率: 《激光技术》2014年第1期128-131,共4页郭泽钦史彦超赵培茜胡碧涛; 国家自然科学基金资助项目(91026021); 为了测量K9玻璃的折射率,采用三次谐波法,通过调节位移平台使两束平行飞秒激光脉冲在时空上重合,进而产生强烈的三次谐波信号,并进行了理论分析和实验验证,对放入样品前后的实验数据进行处理,得到了样品K9柱面镜的折射率及其测量精度,...; 关键词：非线性光学折射率三次谐波 K9玻璃

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

一种调节飞秒激光脉冲时空重合的新方法被引量：1: 《激光技术》2013年第3期385-388,共4页史彦超刘作业赵培茜郭泽钦丁鹏基刘情操胡碧涛; 国家自然科学基金资助项目(91026021); 为了实现调节两束飞秒激光脉冲在时间和空间区域上的精确重合,采用利用CCD成像系统调节光束在空间上的重合及利用能量计测量激光脉冲核心能量变化来调节飞秒脉冲间的时间间隔的新方法,取得了核心能量随延迟时间变化的数据,并记录了相应...; 关键词：激光技术延迟时间调节核心能量能量计

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

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