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Stimulated Raman scattering from ice-Ⅷ by shock-induced compression in liquid water

机译:液态水中激波压缩引起的冰Ⅷ的拉曼散射

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摘要

Stimulated Raman scattering (SRS) from ice-Ⅷ was investigated using shock-induced compression (SIC) generated by laser-induced breakdown in liquid water. Three backward SRS peaks of OH stretching vibrations and one backward SRS characteristic peak of lattice translation were observed. The SRS spectra indicated that the ice-Ⅷ structure is formed by SIC, as the trajectory of the SIC passes through the stable pressure-temperature range of ice-Ⅷ. The static electric field generated by electron jets protects proton-ordered structure. The laser-induced shock wave mechanism is also discussed.
机译:利用由激光诱导的液态水中击穿产生的激振压缩(SIC),研究了冰ice的拉曼散射(SRS)。观察到三个OH拉伸振动的后向SRS峰和一个晶格平移的后向SRS特征峰。 SRS光谱表明,随着SIC的轨迹经过稳定的冰Ⅷ压力-温度范围,冰Ⅷ结构由SIC形成。电子束产生的静电场可保护质子有序的结构。还讨论了激光诱发的冲击波机理。

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