Fig. 1. (a) SEM image of 200 nm polystyrene nanoparticle distribution; (b) SEM image of single nanoparticle

Fig. 2. (a) Schematic of imaging setup based on TIR evanescent wave excitation; (b) schematic of imaging setup based on SPPs excitation; (c) variation of TIR reflectance with incident angle; (d) variation of SPPs reflectance with incident angle

Fig. 3. Imaging of single polystyrene nanoparticle with the diameter of (a) 500 nm, (b) 200 nm and (c) 100 nm based on TIR evanescent wave; imaging of single polystyrene nanoparticle with the diameter of (d) 500 nm, (e) 200 nm and (f) 100 nm based on SPPs

Fig. 4. Spatial distribution simulation of |E→|2. (a) TIR; (b) SPPs

Fig. 5. Comparison of the polarization intensity of single polystyrene nanoparticle with TIR evanescent wave and SPPs