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| SEM images and modeling of 3D structures made on the surface through a two photon process with mask 1.(a) a large area angled view and top view (inset) of the SU8 photopolymer; (b) and (c) cross sectional views at different angles; (d) cross sectional view (left) and modeling (right); and (e) image of ellipsoidal particles and modeling (inset) made by a two photon process by use of a short exposure time (~60 sec). An appropriately defined cutoff filter, close to the experimental condition, is chosen for each modeling. [image credit J Rogers] |
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