An innovative tunable diode laser (TDL) measurement system has been used for the on-line estimation of emissions of cars, driving through the measurement beam of the system. This paper describes the measurement principle and gives first measurement results, taken for different types of cars.
A commercial tunable diode laser (TDL) system for on-line remote measurements of automobile emissions
Sensors, Systems, and Next-Generation Satellites VIII ; 2004 ; Maspalomas,Canary Islands,Spain
Proc. SPIE ; 5570
2004-11-04
Conference paper
Electronic Resource
English
On-line measurement of formaldehyde in tailpipe emissions by tunable diode laser spectroscopy
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