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. 2016 Aug 17;6:31702. doi: 10.1038/srep31702

Figure 1. Sample and experimental setup.

Figure 1

(a) Sketch of the soft lithography method for micro-pillar fabrication on glass substrate (pillar diameter D = 3 μm, period Λ = 5 μm, height h = 1.5 μm); (b) 3D representation of an AFM topography map of the micro-pillar array; (c) sketch of the optical setup, the data acquisition and the processing flow.