Fig. 1. Schematic diagram of light extinction measurement model

Fig. 2. Transformation of coordinate system

Fig. 3. Prediction of photonic coordinate

Fig. 4. Photon events and light scattering and extinction characteristics of particles. (a) MCM photon destination statistics; (b) scattered light energy distribution; (c) Mie scattering parameters

Fig. 5. Experimental device

Fig. 6. Experimental and simulated light extinction spectra. (a) Particle diameter of 0.4 μm; (b) particle diameter of 0.7 μm

Fig. 7. Simulated results under different photon number conditions when particle diameter is 0.4 μm. (a) Relative error between three-dimensional MCM model and Lambert-Beer model; (b) standard deviation of three-dimensional MCM model

Fig. 8. Light extinction spectra of mixed particles system

Fig. 9. Comparison of extinction spectra at differentdivergence angles