【摘要】 基于高温热辐射背景与拉曼光谱的频域和时间域特点,分析并总结了获取高温拉曼光谱谱图的若干技术,并介绍了该实验室已经建立的二套高温拉曼光谱系统,即累积时间分辨高温宏观拉曼和累积时间分辨-共焦相结合的高温显微拉曼系统。实验表明此二套系统可以应用于高温相变和熔体结构,晶体生长边界层及荧光样品的拉曼测定。更多还原

【Abstract】 Based on the frequency and time domain characters of heat radiation,high temperature Raman spectroscopy techniques were aralyzed and summarized.Thereby,two high temperature Raman systems were set up.One is an accumulated time-resolved macro-Raman spectroscopy system,and the other is an accumulated time-resolved and confocal coupled micro-Raman spectroscopy system.Finally,their applications in the study of high temperature processes such as melt structure and phase transformation,crystallization as well as samples with high fluorescence were intrtoduced.更多还原