Colloidal woodpile structure: three-dimensional photonic crystal with a dual periodicity |
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| Authors: | Yan Qingfeng Zhao X S Teng Jing Hua Chua Soo Jin |
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| Affiliation: | Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117576. |
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| Abstract: | With planar photolithography and self-assembly techniques, multilayer colloidal crystals with a woodpile structure were fabricated. They represent a new kind of photonic crystals, that is, three-dimensional (3D) photonic crystals with a dual periodicity; one comes from the face-centered cubic (fcc) structure within the colloidal crystal strips and the other one results from the periodic arrangement of the colloidal crystal strips. |
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