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OBSERVATION OF SUDDEN TEMPERATURE JUMPS IN OPTICALLY LEVITATED MICRODROPLETS DUE TO MORPHOLOGY-DEPENDENT INPUT RESONANCES

机译:由于形态相关的输入共振,在光学悬浮的微球中突然出现温度跳跃

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摘要

During the slow evaporation of an optically levitated microdroplet of a glycerol-water mixture (3:1) (approximately 12.44 mu m in radius) several morphology-dependent input resonances have been observed in its Raman spectrum. These resonances yield sudden temperature jumps of approximately 10 degrees C in the microdroplet as evidenced by sudden shifts in the output (Raman) resonance spectra. The latter effects could be explained by a simple energy balance calculation and the dependence of droplet refractive index and density on temperature. [References: 15]
机译:在甘油-水混合物的光学悬浮微滴(3:1)(半径约为12.44μm)缓慢蒸发期间,在其拉曼光谱中观察到了几种与形态有关的输入共振。这些共振会在微滴中产生约10摄氏度的突然温度跳跃,如输出(拉曼)共振光谱的突然偏移所证明。后一种效应可以通过简单的能量平衡计算以及液滴折射率和密度对温度的依赖性来解释。 [参考:15]

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