浅析波长扫描光腔衰荡光谱技术  

Analysis of Wavelength Scanning Cavity ring-down Spectroscopy Technology

作　　者：张丽娜[1] 卢照方[1] 

机构地区：[1]中节能六合天融环保科技有限公司,北京100085

出　　处：《现代科学仪器》2012年第1期134-136,141,共4页Modern Scientific Instruments

摘　　要：波长扫描腔衰荡光谱技术是一种新型的光谱检测方法,由于该技术具有吸收光程长,不受光源强度起伏影响的特点,因而受到国内外的广泛重视,已被应用于监测分子及原子体系。波长扫描光腔衰荡光谱技术在痕量元素监测分析中的应用,证明它完全可以在通用的原子吸收分光光度计上实现。它的主要用途是进行多元素分析。能够带来一些其它的扩展功能,是一种很有发展前途的新技术。Cavity ring-down spectroscopy technology is a new-fashioned spectral detecting method.People at home and abroad give attentions to it,because optical path length of matters absorption is longer than other technology,and detection is not impacted by the fluctuation of light source,it has been applied to detection of molecule and atomic system.Through application in analysis and monitoring of trace elements,it is proved that wavelength scanning cavity ring-down spectroscopy can be entirely realized on general atomic absorption spectrophotometer.Wavelength scanning cavity ring-down spectroscopy is a new promising technology,which will bring other extensions,and the main purpose of which is to conduct multi-element analysis.

关 键 词：波长扫描 腔衰荡光谱 微量气体 监测 

分 类 号：TH744.1[机械工程—光学工程]