Fig. 11: Experimental demonstration of the unidirectional image magnifier (M = 3) using a pyramid diffractive optical network.
From: Pyramid diffractive optical networks for unidirectional image magnification and demagnification
a The image of the experimental set-up and design. b The converged phase patterns of the diffractive layers, and c back-illuminated photographs of the 3D-printed diffractive layers. d Experimental results of the unidirectional magnifier using the fabricated P-D2NN with a magnification factor of M = 3
