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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Intense-Field Double Detachment of Electrostatically Bound F-(NF3)(n) Cluster Anions
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Intense-Field Double Detachment of Electrostatically Bound F-(NF3)(n) Cluster Anions

机译:静电结合的F-(NF3)(n)团簇阴离子的强场双分离

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摘要

The interaction of intense laser pulses with size-selected F-(NF3)(n) clusters is experimentally studied. Intense-field double- and multiple-detachment processes in the isolated atomic F- anion and in electrostatically bound F-(NF3) dimer and F-(NF3)(2) trimer systems are directly compared. Both dimer and trimer systems are found to exhibit similar enhancement of the highly nonlinear processes, with respect to the atomic system, as reflected in significantly lower saturation intensities. The dependencies of different product channels as, a function of laser peak intensity, polarization ellipticity, and laser pulse shape are presented, indicating an efficient nonrescattering mechanism.
机译:实验研究了强激光脉冲与尺寸选择的F-(NF3)(n)团簇的相互作用。直接比较了孤立原子中的F-阴离子和静电结合的F-(NF3)二聚体和F-(NF3)(2)三聚体系统中的强场双离和多次分离过程。发现二聚体系统和三聚体系统相对于原子系统都表现出高度非线性过程的相似增强,这反映在明显较低的饱和强度上。给出了不同产品通道的依赖性,这些依赖性是激光峰值强度,偏振椭圆率和激光脉冲形状的函数,表明了一种有效的非散射机制。

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