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In this paper, we have systematically analyzed the degenerate and nondegenerate two-photon polarization ratios of various point groups. We present the maximum of symmetry assignments of two-photon transition with the combination of degenerate and nondegenerate two-photon absorption. These results provide the theoretical basis for the experimental assignments. 相似文献
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测量了间位甲苯酚和甲酚异构体混合物能量在35180-36002cm^-1范围的双光子共振四光子电离谱。对第一电子激发态振动带做了分析和归属,并对苯分子的不同取代对振动模的影响做了比较和分析。 相似文献
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微腔激光器速率方程分析 总被引:1,自引:0,他引:1
推出了至少有一维尺寸在发射波长量级的微腔激光器的光输出特性,首次得到了无辐射衰减速率不等于零时速率方程的角析解。结果表明,微腔激光器自发发射到腔模的较高的合效率使激发特性和传统的激光器有很大的不同。 相似文献
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NEW METHOD FOR DETERMINING THREE-PHOTON TRANSITION TENSOR PATTERNS FOR RANDOMLY ORIENTED MOLECULES 下载免费PDF全文
The method and results are given for the tensor patterns and polarization ratios of three-photon absorption excited by single-laser for randomly oriented molecules. The ratio of oriented average of transition rate for circularly polarized light to that for linearly polarized light,Ω, can be obtained by the simple three-photon transition tensor. For transition of which the tensor has one independent element, we give the value of polarization ratio; for transition of which the tensor contains two independent elements, we also give the possible range of polarization ratio. These results may be helpful for the symmetry assignment of the excited states. 相似文献
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