2005•Optical TechniqueRequires access
High sensitive differential optical absorption spectroscopy (DOAS) for air quality monitoring
Yujun Zhang
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Abstract
The technique of the differential optical absorption spectroscopy (DOAS) provides an ideal tool for air quality monitoring with the advantages of multiple pollutant components, high sensitivity and continuous on-line measurement. Its operation principle and some key techniques are introduced together with the whole system for air quality monitoring. The applications of DOAS technique are also presented.