激光等离子体光谱分析技术的发展现状

综述了近几年来应用激光等离子体光谱分析技术在不同领域所取得的研究成果，包括利用激光诱导击穿光谱学(LIBS)和激光诱导等离子体光谱学(LIPS)方法对固体样品(如金属合金、土壤、混凝土、矿物、化石、药品等)、液体样品(溶液、纯净水、液体喷射流等)和气体样品(大气、纯净气体、水蒸气和气溶胶等)中物质成分和相关特性的分析研究，以及在其他方面的研究应用；讨论了影响检测性能的因素,如激光波长、脉冲能量、功率密度、环境气氛、外加电场、样品表面涂层以及样品材料性能等对分析精确度和检出限的影响；对一些改进的实验装置及方法也进行了简单介绍。激光等离子体光谱分析技术的发展，为许多科学和应用研究创造了方便和快捷的有利条件，对科技进步有深远影响。

The Current Development of Laser-Induced Plasma Spectral Analysis Technique

In the present paper,the productions by applying laser-induced plasma spectral analysis technique in different research fields were summarized.Many examples of the application based on laser-induced breakdown spectroscopy(LIBS) and laser-induced plasma spectroscopy(LIPS) methods were introduced,including the substance composition and correlative characteristics of the solid samples(e.g.metal alloy,soil,concrete,mineral,fossil,medicine etc.),liquid samples(e.g.solution,pure water,liquid jets etc.),and gaseous samples(e.g.air,pure gas,vapor and aerosol etc.).Some other investigations and applications were also included.The factors,which influence the detection capability,were discussed.Laser wavelength,pulse energy,power density,environmental atmosphere,external electric field,carbon layer on sample surface,sample material characteristic,and so on all have effects on the precision and the limit of detection.Finally,a simple introduction of the improvements in experimental equipment and methods was also covered.The development of laser-induced plasma spectral analysis technique creates favorable conditions,such as convenience and shortcut,for many science and application researches.It plays an important role in the grogress in science and technology.