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Developing Raman spectroscopy for in-situ determinations

机译：开发拉曼光谱法进行原位测定

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Abstract: Raman spectroscopy produces highly characteristic responses from all molecular species. It uses ultraviolet, visible or near-infrared radiation and thus is well suited for use with relatively inexpensive low-loss fiber optics. Because it is a scattering measurement it is readily applied to samples in a variety of forms, including aqueous solutions, solids and slurries, and to samples in hostile environments. This report will discuss how concerns relating to sensitivity and reproducibility have been addressed by selection of appropriate instrumentation and data treatment strategies. Recent results with a fiber optic based system for a variety of samples with significant implications for in situ monitoring applications will be described. Problems relating to representative sampling of nonuniform materials have also been addressed, and results obtained with a novel Hadamard transform approach to obtain energy throughput and spatial averaging advantage will be described.!3
机译：摘要：拉曼光谱法可从所有分子种类产生高度特征性的响应。它使用紫外线，可见光或近红外辐射，因此非常适合与相对便宜的低损耗光纤一起使用。由于它是一种散射测量，因此很容易应用于各种形式的样品，包括水溶液，固体和浆液，以及在恶劣环境下的样品。本报告将讨论如何通过选择适当的仪器和数据处理策略来解决与敏感性和可重复性有关的问题。将描述基于光纤的系统对各种样品的最新结果，这些结果对于现场监测应用具有重要意义。还解决了与不均匀材料的代表性采样有关的问题，并将描述使用新颖的Hadamard变换方法获得的能量吞吐量和空间平均优势的结果。3

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