Fig. 1. Schematic diagram of FLEET system

Fig. 2. Schematic of supersonic mixing layer facility

Fig. 3. Fluorescent filaments of FLEET for Case 1

Fig. 4. Gaussian fitting plot of fluorescence signal

Fig. 5. Fitting results for image coordinates of fluorescence tagging molecules

Fig. 6. Velocity measurement results of mixgas with Ma of 3.0 and 2.0

Fig. 7. Velocity measurement results for 3 different cases

Fig. 8. Flow structure results by large eddy simulation （above） and schlieren experiment （below）