Simultaneous spectroscopic and temperature imaging by IR monochromator and camera

In this paper the simultaneous measurement of IR spectroscopic imaging and temperature fields are proposed. First the experimental set-up based on a multispectral monochromator in the IR domain and the methodology will be presented. In this study, the absorbance characterization of the camera detector is shown. Then, by coupling such spectral source with a classical IR camera, images of both the temperature in proper emission and spectroscopy in transmission are presented. The preliminary results show that there is no obstacle to measure simultaneously the temperature and concentration fields as function of time. Then, with this tools it becomes possible to envisaged both thermal analysis (thermophysical properties estimation) and chemical analysis (kinetic) of chemical or phase change processes.