自然环境下拉曼光谱遥测技术及其应用进展

拉曼光谱遥测技术主要用于在安全距离之下对一些危险品、违禁品、变质食品等进行现场快速检测。早期拉曼光谱遥测技术大多采用可见光或近红外激光拉曼光谱技术，为了避免环境光影响，常在实验室或夜间进行。近年来，因日盲紫外激光的拉曼光谱检测具有共振效应强、不受环境光干扰、人眼相对安全等诸多特性逐渐开始被广泛应用。本文在分析自然环境下远程拉曼光谱遥测技术基础原理上，归纳了国内外可见光或近红外激光拉曼光谱遥测技术和国内外紫外激光拉曼光谱遥测技术的研究进展和现状，分析了远程紫外激光拉曼光谱应用在反恐、禁毒和食品安全等领域的优势，最后总结了自然环境下拉曼光谱遥测技术的研究难点和发展趋势。

Remote Raman Spectroscopy in Natural Environments

Remote Raman spectroscopy is used primarily for on-site rapid detection of dangerous goods, contraband, and deteriorated food from a safe distance. Early applications of remote Raman spectroscopy used visible or near-infrared lasers to excite the Raman spectrum. Such experiments were often conducted in the laboratory or at night, to avoid the influence of environmental light. Recently, solar-blind ultraviolet Raman spectroscopy has been widely used because of its advantages compared to visible or near-infrared approaches. Their advantages include a strong resonance effect, lack of interference from ambient light, and relative safety for the human eye. This study reviews the development of remote visible or near-infrared and ultraviolet Raman spectroscopy based on the analysis of the basic principles in natural environments. The advantages of remote ultraviolet Raman spectroscopy in the fields of anti-terrorism, drug control, and food safety are highlighted. The current challenges and development trends in remote Raman spectroscopy in natural environments are summarized.