Simulation of human vision by image evolution in light-excitable nonlinear optical mediums |
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| Authors: | Aihua Zou Qiang Gu Junzhe Hu Chunwei Yuan |
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| Institution: | The Key Laboratory of Molecular and Biomolecular Electronics of Ministry of Education, Southeast University, Nanjing, People's Republic of China. |
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| Abstract: | The nonlinear optical membrane used for image processing was prepared using tetraethyl silicate by sol-gel method under mild conditions. Ru(bpy)3Cl2 (bpy, bipyridine) was immobilized in the sol-gel matrix. This light-excitable membrane containing Ru(bpy)3Cl2 as photocatalyst could catalyze the Belousov-Zhabotinsky reaction by illumination. Our results indicated that a fine-definition image processing could be autoperformed when projecting a picture on this medium. The imaging process was an image evolution process, which was similar to that of the human vision process. |
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