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659篇 您的检索式:作者名="ivanovic S"
    题名 作者 年代 出处 被引量
1基于XeF(C-A)放大器的混合(固态/气态)超高功率飞秒激光系统(英文)显示文摘提出了基于前端发生器和终端放大器,使用光泵浦XeF(C-A)激活介质的太瓦级混合激光器(THL-100)系统。前端发生器由长532 nm的连续激光泵浦的钛宝石飞秒脉冲振荡器,脉冲展宽机构,532 nm的脉冲激光泵浦的再生多通道放大器,衍射光栅压缩器和二次谐波发生器(KDP)组成。其光束输出参数为:脉冲持续时间50 fs,二次谐波(475 nm)辐射能量5 mJ。前端发生器以10 Hz的单脉冲模式工作。XeF(C-A)放大器由双高压脉冲发生器(线性变压器),爆炸式阴极发射真空二极管,电子束注入系统,充满Xe的气室转换器和激光单元组成。高压发生器包括12个变压器,每个变压器有8个电容(40 nF)和火花隙,电容可以充电至100 kV。真空二极管中的电子束参数为:总电流300 kA,峰值电压550kV,脉冲持续时间约150 ns。穿透金属箔片到达Xe转换器的6个100 cm×12 cm电子束的总能量为67 kJ。激光系统通过泵浦能量的级联处理导致Xe2*的快速形成,并在(172±5)nm连续辐射。真空紫外辐射通过CaF2窗口辐射到含有XeF2蒸汽和氮气缓冲气体的激光单元中,使XeF2光解,形成XeF*准分子。由真空紫外辐射泵浦的放大器激活介质长110 cm,直径为24 cm。文中通过数值模拟给出了输出参数和第一实验结果,根据XeF(C-A)放大器参数模型和增益测量结果,得到的输出能量高达23 J,这意味着50 fs脉冲的峰值功率高达4060 TW。LOSEV V ALEKSEEV S IVANOV N KOVALCHUK B MIKHEEVL MESYATS G PANCHENKO Yu PUCHIKIN A RATAKHIN N YASTREMSKY A 2011光学精密工程2011,19,2:2
2丝阵靶箍缩等离子体软X射线辐射能谱研究显示文摘在S—300装置上研究了丝阵靶Z箍缩等离子体的软X射线辐射的动态过程。利用多通道X射线谱仪在50~2000eV范围内测量了丝阵靶内爆等离子体X射线辐射谱,辐射主要位于60~220eV谱段。辐射谱可用温度为40~50eV的Planck黑体谱近似描述。在能量高于500eV的谱段,辐射谱与Planck黑体谱有较大的偏离。这主要是因为等离子体热斑的出现、在1.5~2keV范围内线谱的存在和加速电子轫致辐射的结果。蔡红春 Chernenko A S Korolev V D Ustroev G I Ivanov M I 2005强激光与粒子束2005,17,6:2
3Change Estimation in the Structure of Marshy Stands before and after Hydromelioration显示文摘Ivanov A I Vompersky S E 1987Biomonitoring of Forest Ecosystems1987,2,:1
4Candidiasis and birth canal injures显示文摘Nalbanski B Tsekova K Ivanov S 2002Akush Ginekol(Sofiia)2002,41,6:1
5Ammonia formation on (Ru plus Cs)/C catalysts by the interaction of adsorbed nitrogen with hydrogen that diffused from the bulk of cesium-ruthenium particles显示文摘Trukhan S N Ivanov V P Kochubey D I 2003Kinetics and Catalysis2003,44,5:1
6Mitochondrial enzymes in circulating lymphocytes during hemosorption for exper- imental hypercholesterolemia显示文摘Mikaelian N P Khalilov E M Ivanov A S 1983Biull Eksp Biol Med1983,96,9:1
7Biomass and porosity profiles in microbial granules used for aerobic wastewater treatment显示文摘TAY J H TAY S T L IVANOV V etal 2003Letters in applied microbiology (S 0266-8254)2003,36,:1
8Age-dependent morphology of human pineal gland: supravital study 显示文摘Ivanov S V 2007Adv Gerontol2007,20,2:1
9Angiogenin cleaves tRNA and promotes stress-induced translational repression 显示文摘Yamasaki S Ivanov P Hu G F 2009J Cell Biol2009,185,1:1
10THE RISK OF RADIATION-INDUCED CEREBROVASCULAR DISEASE IN CHERNOBYL EMERGENCY WORKERS显示文摘V K. Ivanov M A. Maksioutov S Yu. Chekin A V. Petrov A P. Biryukov Z G. Kruglova V A. Matyash A F. Tsyb K G. Manton J S. Kravchenko 2006Health Physics2006,,:1
11The orphan nuclear receptor RORgammat directs the differentiation program of proinflammatory IL- 17^+ T helper cells 显示文摘Ivanov I I McKenzie B S Zhou L 2006Cell2006,126,:1
12Investigation of the structure of the relaxor ferroelectric Pb(Fe1/2Nb1/2)O3 by neutron powder diffraction 显示文摘Ivanov S A Rundlof H 2000J Phys Cond Matt2000,12,:1
13Nitrogen regulation of root branching显示文摘Walch -Liu P Ivanov I Filleur S 2006Annals of Botany2006,97,:1
14The orphan nuclear receptor RORgammat directs the differentiation program of pro - inflammatory IL - 17 + T helper ceils 显示文摘Ivanov I I McKenzie B S Zhou L 2006Cell2006,126,6:1
15Conservation of polyamine regulation by translational frameshifting from yeast to mammals显示文摘IVANOV I P MATSUFUJI S MURAKAMI Y 2000EMBO J2000,19,8:1
16Alternative splicing of cGMP-dependent protein kinase I in angiotensin - hypertension: novel mechanism for nitrate tolerance in vascular smooth muscle 显示文摘GERZANICH V IVANOV A IVANOVA S 2003Circ Res2003,93,:1
17Long-term review of a breast conservation series and patterns of care over 18 years 显示文摘Pendlebury SC Ivanov O Renwick S 2003ANZJSurg2003,73,8:1
18The effect ofpulsed electron beam melting on microstructure frictionand wear of WC-Hard field steel hard metal 显示文摘Gnyusov S Tarasov S Ivanov Y 2004Wear2004,257,:1
19Specific layer in aerobically grown microbial granules 显示文摘Tay J H Ivanov V Pan S 2004Lett Appl Micro2004,34,25:1
20Candidiasis and birth canal in Juries显示文摘Nalbanski B Tsekova K Ivanov S 2002Akush Ginekol(Sofiia)2002,41,:1
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