Fig. 2 | Light: Science & Applications

Fig. 2

From: One-dimensional photonic crystal enhancing spin-to-orbital angular momentum conversion for single-particle tracking

Fig. 2

Single-particle imaging via DH-PSF iSCAT microscopy. DH-PSF iSCAT images for a particle on the glass substrate when the incident light and the detected light are of identical circular polarization (a) or nearly orthogonal polarization (b), (c, d) for a particle on the 1D PC substrate. e, f Simulated intensity (Iscat) and spatial phase (ϕscat) distributions of the forward-scattered light from a single particle. g, h Simulated intensity (Iinter) and phase (ϕinter) distributions of the interference field between the scattered light from the particle and the nonscattered transmitted light, which corresponds to the iSCAT image in (d). Scale bars in (a), 1 µm

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