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首页> 外文期刊>Geochemistry: Exploration, Environment, Analysis >Laser-induced breakdown spectroscopy (LIBS) - an emerging field-portable sensor technology for real-time, in-situ geochemical and environmental analysis
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Laser-induced breakdown spectroscopy (LIBS) - an emerging field-portable sensor technology for real-time, in-situ geochemical and environmental analysis

机译：激光感应击穿光谱法（LIBS）-一种新兴的现场便携式传感器技术，用于实时，原位地球化学和环境分析

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摘要

Laser-induced breakdown spectroscopy (LIBS) is a simple spark spectrochemical sensor technology in which a laser beam is directed at a sample to create a high-temperature microplasma. A spectrometer/array detector is used to disperse the light emission and detect its intensity at specific wavelengths. LIBS has many attributes that make it an attractive tool for chemical analysis. A recent breakthrough in component development, the commercial launching of a small, high-resolution spectrometer, has greatly expanded the utility of LIBS and resulted in a new potential for field-portable broadband LIBS because the technique is now sensitive simultaneously to all chemical elements due to detector response in the 200 to 980 nm range with 0.1 nm spectral resolution. Other attributes include: (a) small size and weight; (b) technologically mature, inherently rugged, and affordable components; (c) in-situ analysis with no sample preparation required; (d) inherent high sensitivity; (e) real-time response; and (f) point sensing or standoff detection. LIBS sensor systems can be used to detect and analyse target samples by identifying all constituent elements and by determining either their relative or absolute abundances.
机译：激光诱导击穿光谱法（LIBS）是一种简单的火花光谱化学传感器技术，该技术将激光束对准样品以产生高温微等离子体。光谱仪/阵列 检测器用于分散光发射并检测特定波长下的 强度。 LIBS具有许多属性 ，使其成为用于化学分析的有吸引力的工具。组件开发中的最新 突破，是小型高分辨率光谱仪的商业发布 ，大大扩展了LIBS的 用途，并导致现场便携式 宽带LIBS的新潜力，因为该技术由于对200 到980的检测器响应而同时对所有化学元素同时敏感。光谱分辨率为0.1 nm的nm范围。其他属性 包括：（a）体积小，重量轻； （b）技术成熟， 固有坚固且价格合理的组件； （c）现场分析 ，无需样品制备； （d）固有的高灵敏度； （e）实时响应； LIBS传感器系统可通过识别所有构成元素并确定 样本。 >相对或绝对丰度。

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