吸收截面
吸收(声学)
波长
横截面(物理)
双光子吸收
激发波长
光子
激发
航程(航空)
化学
原子物理学
材料科学
光学
物理
激光器
量子力学
复合材料
作者
Alexei S. Melnikov,P. Yu. Serdobintsev,A D Vedyaykin,M. A. Khodorkovskii
出处
期刊:Journal of physics
[IOP Publishing]
日期:2017-11-01
卷期号:917: 062029-062029
被引量:11
标识
DOI:10.1088/1742-6596/917/6/062029
摘要
Two-photon absorption cross sections of Coumarins 102, 153, 307 solutions in methanol in the wavelength range of 730-870 nm were measured. The maximum cross section for two-photon absorption in this wavelength range were 26±7, 36±9, 28±7 GM for Coumarins 102, 153, 307, respectively. The absolute value of the cross sections was determined by comparison with a fluorescein (43 GM at a wavelength of 790 nm). The dependence of the two-photon absorption cross section on the excitation wavelength coincides with the shape of the single-photon absorption cross section.
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