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(11074027)

国家自然科学基金(11074027): 作品数：16被引量：82H指数：5; 导出分析报告; 相关作者：林景全高勋郝作强宋超杜闯更多>>; 相关机构：长春理工大学包头师范学院更多>>; 相关期刊：《物理学报》《Science China(Physics,Mechanics & Astronomy)》《Chinese Physics B》更多>>; 相关主题：飞秒激光等离子体FEMTOSECOND_LASERRESOLVEDPLASMAN-更多>>; 相关领域：理学电子电信机械工程环境科学与工程更多>>

杨树叶片的飞秒等离子体丝诱导击穿光谱研究被引量：1: 《物理学报》2015年第17期234-238,共5页张亚维高勋张原宋超林景全; 国家自然科学基金(批准号:11074027;61178022);吉林省自然科学基金(批准号:201215132);教育部博士点基金(新教师类)(批准号:20112216120006)资助的课题~~; 开展了杨树叶片的飞秒激光等离子体丝诱导击穿光谱研究,定性比较分析了长春市区的第一汽车厂、火车站、净月潭公园及长春理工大学四个地理区域的杨树叶片中重金属元素Ca,Fe和Cr.实验结果表明,通过分析杨树叶片中CaⅡ393.37 nm和FeⅠ422....; 关键词：飞秒激光等离子体丝击穿光谱杨树叶片定性分析

纳秒激光在铜靶材中诱导冲击波的实验研究被引量：1: 《物理学报》2015年第4期212-216,共5页王绩勋高勋宋超林景全; 国家自然科学基金(批准号:11074027;61178022);吉林省自然科学基金(批准号:201215132);教育部博士点基金(新教师类)(批准号:20112216120006)资助的课题~~; 基于聚偏二氟乙烯压电传感器,对铜靶材中纳秒激光脉冲诱导的冲击波传播过程进行了实验研究,给出了铜靶材内冲击压强随激光脉冲能量和靶材厚度的变化规律.实验结果表明:500 m J激光脉冲能量作用到2 mm厚的铜靶材产生的冲击压强达到2.1 M...; 关键词：激光诱导冲击波聚偏二氟乙烯压电传感器冲击压强

Shadowgraph investigation of plasma shock wave evolution from Al target under 355-nm laser ablation被引量：5: 《Chinese Physics B》2014年第8期408-414,共7页刘天航郝作强高勋刘泽昊林景全; Project supported by the National Key Basic Research Program,China(Grant No.2013CB922404);the National Natural Science Foundation of China(Grant Nos.61178022,11074027,11274053,and 11211120156);the Funds from Science and Technology Department of Jilin Province,China(Grant Nos.20111812 and 20130522149JH);the Research Fund for the Doctoral Program of Higher Education of China(Grant Nos.20122216120009,20122216110007,and 20112216120006); The propagation of a plasma shock wave generated from an Al target surface ablated by a nanosecond Nd：YAG laser operating at 355 nm in air is investigated at the different focusing positions of the laser beam by usin...; 关键词：laser-induced plasma shock wave air ionization off-focus

Mitigation of energetic ion debris from Gd plasma using dual laser pulses and the combined effect with ambient gas: 《Chinese Physics B》2014年第7期505-509,共5页窦银萍孙长凯刘超智高健郝作强林景全; supported by the National Basic Research Program of China (Grant No. 2013CB922404);the National Natural Science Foundation of China (Grant Nos. 11074027,61178022,11274053,and 11211120156);the Science & Technology Department of Jilin Province,China (Grant No. 20111812);the Research Fund for the Doctoral Program of Higher Education of China (Grant Nos. 20122216120009,20122216110007,and 20112216120006);the Young Scientists Fund of Changchun University of Science and Technology,China (Grant No. 000520).; For the next-generation beyond extreme ultraviolet lithography （EUVL） sources, gadolinium （Gd） plasma with emis- sion wavelength at 6.7 nm seems to be the leading candidate. Similar to the Sn target 13.5 nm light ...; 关键词：extreme ultraviolet source laser-induced plasma Gd plasma ion debris

磁场约束下激光诱导等离子体光谱强度演化研究被引量：3: 《物理学报》2014年第14期232-236,共5页李丞高勋刘潞林景全; 国家自然科学基金(批准号:11074027;61178022;11211120156);吉林省科技厅项目(批准号:201215132);教育部博士点基金-新教师项目(批准号:20112216120006)资助的课题~~; 对磁场约束下激光诱导铜等离子体光谱强度演化进行了实验研究,分析了在磁场约束环境下的等离子体光谱强度演化过程以及激光能量对光谱增强的影响.实验结果表明:在磁场约束下铜等离子体内原子光谱和离子光谱均有所增强,在磁场约束下Cu I ...; 关键词：激光等离子体光谱增强磁场约束

基于飞秒激光等离子体丝诱导击穿光谱探测土壤重金属Cr元素含量被引量：12: 《物理学报》2014年第9期257-261,共5页高勋杜闯李丞刘潞宋超郝作强林景全; 国家自然科学基金(批准号:11074027;61178022;11211120156);吉林省科技厅项目(批准号:20100168;20111812;201215132);教育部博士点基金-新教师(批准号:20112216120006)资助的课题~~; 本文基于飞秒激光等离子体丝诱导击穿光谱对土壤重金属Cr元素含量进行了实验研究.利用荧光法对等离子体丝的长度进行测量,给出了在不同焦距聚焦透镜作用下土壤中Cr425.5 nm的谱线强度空间分布,实验给出了Cr元素的定标曲线.实验结果表明...; 关键词：飞秒激光成丝击穿光谱重金属Cr 探测限

The polarization characteristics of single shot nanosecond laser-induced breakdown spectroscopy of Al被引量：1: 《Chinese Physics B》2013年第4期281-285,共5页刘佳陶海岩高勋郝作强林景全; Project supported by the National Natural Science Foundation of China (Grant Nos. 60978014, 11074027, 61178022, 11274053, and 11211120156);the Fundsfrom Science and Technology Department of Jilin Province, China (Grant Nos. 20090523, 20100521, 20100168, and 20111812);Funds from Education Department of Jilin Province; The polarization-resolved laser-induced breakdown spectroscopy （PRLIBS） technique, which can significantly reduce the polarized emission from laser plasma by placing a polarizer in front of the detector, is a powerf...; 关键词：polarization-resolved laser-induced breakdown spectroscopy laser plasma S/N ratio

Comparative investigation of the resistance and ability to trigger high voltage discharge for single and multiple femtosecond filaments in air: 《Chinese Physics B》2013年第3期372-374,共3页郭凯敏郝作强林景全孙长凯高勋赵振明; Project supported by the National Natural Science Foundation of China (Grant Nos. 11074027,60978014,61178022,11274053,and 11211120156);the Funds from Sci. & Tech. Deparment of Jilin Province,China (Grant No. 20111812); A comparative investigation of the resistance and ability to trigger high voltage（HV） discharge for a single filament（SF） and multiple filaments（MFs） has been carried out.The experimental results show that the t...; 关键词：femtosecond filament RESISTANCE high voltage breakdown threshold

土壤中重金属元素的双脉冲激光诱导击穿光谱研究被引量：38: 《物理学报》2013年第4期349-354,共6页杜闯高勋邵妍宋晓伟赵振明郝作强林景全; 国家自然科学基金(批准号:11074027;60978014;61178022;1121112056;11274053);吉林省科技厅项目(批准号:20100168;20111812;201215132);教育部博士点基金-新教师(批准号:20112216120006)资助的课题~~; 基于正交预烧蚀双脉冲激光诱导击穿光谱(DP-LIBS)技术对长春市四个地点地表土壤样品中的重金属元素进行了研究,根据光谱线强度定性分析了重金属元素Mn,Cr,Cu,Pb含量.实验结果发现,在532和1064nm激光脉冲能量分别为70和100mJ的条件下光...; 关键词：预烧蚀双脉冲激光诱导击穿光谱光谱增强土壤污染

A comparison of single shot nanosecond and femtosecond polarization-resolved laser-induced breakdown spectroscopy of Al被引量：4: 《Chinese Physics B》2013年第1期273-277,共5页Nakimana Agnes 陶海岩郝作强孙长凯高勋林景全; Project supported by the National Natural Science Foundation of China (Grant Nos. 11211120156, 11274053, 11074027, 61178022, and 60978014);the Science and Technology Department of Jilin Province, China (Grant Nos. 20100521, 20100168, and 20111812);the SRF for ROCS, SEM; Aluminum samples have been analyzed by femtosecond polarization-resolved laser-induced breakdown spectroscopy （fs-PRLIBS）. We compare the obtained spectra with those obtained from nanosecond PRLIBS （ns-PRLIBS）. Th...; 关键词：polarization-resolved laser-induced breakdown spectroscopy femtosecond laser nanosecond laser SHIELDING

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