【摘要】 利用532nm的脉冲激光进行了水和重水受激拉曼散射研究,不仅实现了O—H和O—D的伸缩振动受激拉曼散射,同时还实现了晶格振动的受激拉曼散射。水在激发光能量为130mJ时出现低频受激Stocks和Anti-Stoks 313cm-1谱线;重水在激发光能量为160mJ时出现低频受激Stocks和Anti-Stoks 280cm-1谱线。利用激光诱导等离子体解释了这种拉曼散射增强模式。更多还原

【Abstract】 Stimulated Raman scattering was studied in water and heavy water using pulse laser at the wavelength of 532nm,not only obtaining the stimulated Raman of O — H and O — D stretching vibration,but also obtaining the stimulated Raman lattice vibration.When the laser energy was 130mJ,the low frequency Stokes and anti-Stokes 313cm -1 line of water could be observed ; When the laser energy was 160mJ,the low frequnecy Stokes and anti-Stokes 280cm -1 line of heavy water could be observed.The results were explained by physics mechanism of laser induced plasma.更多还原