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Terahertz multi-functional metamaterials based on 3D printed mortise-tenon structures

arXiv (Cornell University)(2023)

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摘要
The paper reports a multi-functional terahertz metamaterials with composable mortise and tenon connection structures. These structures are prepared using a hybrid 3D printing process based on fused deposition modeling and electro-hydrodynamic jet flow printing, greatly simplifying the processing process, optimizing processing speed, and reducing costs. The printed metamaterial infrastructures can achieve three functions through the mortise and tenon connection: 1) Narrowband transmission and broadband absorption; 2) Perfect reflection; 3) Narrowband reflection and broadband absorption. Among them, function 1 is realized by the concave double-layer cross structure A, function 2 is realized by the combination of structure A and complementary structure B, and function 3 is realized by the combination of structure A and silver cross structure C. Relying on flexible design and convenient processing, this kind of modular multifunctional metamaterials is expected to be widely used in fields such as electromagnetic shielding and stealth.
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multi-functional,mortise-tenon
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