Fig. 1. Laser SMI generated by laser irradiation of moving particles

Fig. 2. Schematic diagram of SMI's microfluidic platform

Fig. 3. Schematic diagram of detecting a single flowing particle

Fig. 4. Laser SMI signal generated by particles with diameter of 5 μm (time-domain)

Fig. 5. Laser SMI signal generated by particles with diameter of 5 μm (frequency-domain)

Fig. 6. FWHM of laser SMI signal generated by particles of different diameters

Fig. 7. Time-domain signal waveforms obtained with different particle diameters. (a) 10 μm; (b) 5 μm; (c) 2 μm; (d) 0.5 μm

Fig. 8. Laser SMI time domain signals of particles with different diameters. (a) Pulse width; (b) number of fringes

Fig. 9. CV of laser SMI signal of particles with different diameters