Abstract: A method for the simultaneous detection and separation of two different 2D signals with one single laser and camera system will be presented. Laser Rayleigh scattering was used to determine the temperature field. The laser induced fluorescence (LIF) technique was applied to measure relative concentrations of either the OH radical or a tracer. The tracer was used for the detection of unburned methane. Signal separation was performed by a liquid filled prism specially designed for this application. First measurements prove the general suitability of this method inside technical burner systems burner systems and show the way for an improvement of the accuracy. !8
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