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Laser-induced Fluorescence of Rhodamine B in Ethylene Glycol Solution

机译：乙二醇溶液中的激光诱导的罗丹明B荧光

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This paper presents the temperature effects on the emission spectra of Rhodamine B in ethylene glycol solution mixed with 50% pure water. The emission spectra at different Rhodamine B dye concentration were studied in a temperature range of-34°C through 64 °C. Results show that growing solution temperature reduces the fluorescent emission intensity, and no obvious discrepancy between fluorescent characteristics of RhB in ethylene glycol and in pure water was observed. A dual normalization method was developed to process the experimental data and to correlate the relative intensity with solution temperature, this method effectively eliminates the influence of signal fluctuations during fluorescence detection. Tests of droplets temperature measurements were also carried out to demonstrate the feasibility of the current non-intrusive method in applications concerning droplets temperature monitoring.
机译：本文介绍了与50％纯水混合的乙二醇溶液中罗丹明B发射光谱的温度效应。在-34℃至64℃的温度范围内研究不同罗丹明B染料浓度的发射光谱。结果表明，不断增长的溶液温度降低了荧光发射强度，观察到乙二醇中rHB荧光特性与纯水中的荧光特性之间的明显差异。开发了一种双归一化方法以处理实验数据，并将相对强度与溶液温度相关联，该方法有效地消除了荧光检测期间信号波动的影响。还进行了液滴温度测量的测试，以证明当前非侵入性方法在液滴温度监测中的应用中的可行性。

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