Fig. 1: Principle of arbitrary engineering of spatial caustics based on 3D-printed metasurfaces. | Nature Communications

Fig. 1: Principle of arbitrary engineering of spatial caustics based on 3D-printed metasurfaces.

From: Arbitrary engineering of spatial caustics with 3D-printed metasurfaces

Fig. 1

a Schematic of customized optical caustics, generated by the metasurface. b(i)–d(i) Amplitude and phase information of the desired caustic beams in Fourier space, together with a FT lens. b(ii)–d(ii) Propagation dynamics of realized caustic structured light in real space.

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