Figure 1 | Scientific Reports

Figure 1

From: Control of optical spin Hall shift in phase-discontinuity metasurface by weak value measurement post-selection

Figure 1

Schematics of optical beam refractions with phase gradient in the incidence plane.

(a) At air-glass interface is along z-axis normal to the surface and radii of circles of equifrequency contour are different in air and glass. (b) At phase-discontinuity metasurface is along x-axis tangential to the surface and the net refraction after passing through the glass substrate is described by circle of equifrequency contour in air with an additional momentum from .

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