Fig. 1. Motion trajectories of particles in TOPS

Fig. 2. Particle trajectories of different particle sizes. (a) Particle size is 2 μm; (b) particle size is 5 μm

Fig. 3. Trajectories of particles with diameter of 13.57 μm (S>1) and 13.55 μm (S<1)

Fig. 4. Comparison between theoretical values and results of COMSOL simulation

Fig. 5. Structural diagram of TOPS

Fig. 6. Experimental system physical diagram

Fig. 7. Trajectories of particles in closed state of laser

Fig. 8. Trajectories of particles (2 μm) in open state of laser

Fig. 9. Schematic diagrams of trajectories of polystyrene microspheres with different particle sizes in sorting experiments. (a) Particle diameter is 2 μm; (b) particle diameter is 5 μm; (c) particle diameter is 15 μm

Fig. 10. Comparison of experimental offset distances between particles with different S values and simulation results