Three-dimensional photonic crystal of negative refraction achieved by interference lithography |
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Authors: | Ao Xianyu He Sailing |
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Institution: | Center for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, Joint Research Center of Photonics of KTH (Sweden). |
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Abstract: | A three-dimensional bicontinuous photonic crystal of a bcc lattice with all-angle negative refraction that can be achieved at optical frequencies by interference lithography is proposed. A numerical simulation of the focusing imaging of a slab of this crystal was performed to verify the property of all-angle negative refraction. The dependence of the negative-refraction frequency range on the threshold of photoresist development and on the dielectric constant is also discussed. |
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