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. 2016 Jun 8;6:27628. doi: 10.1038/srep27628

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(a) Schematic to show the experimental setup. (b) The SEM image of the T-shaped apertures (upper panel) and their CCD images without transformation by the multifunctional lens (bottom panel). Each T-aperture has the size of 50 μm × 50 μm. (c,d) Virtual images of the T-shaped apertures generated by (c) the negative spherical lens and (d) the positive cylindrical lens. The upper panel in each column shows the simulation results and the bottom panel shows the experimental results. The scale bar is 50 μm for all the images in (b–d).