Rapid fabrication of terahertz lens via three-dimensional printing technology |
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| Authors: | Zhongqi Zhang;Xuli Wei;Changming Liu;Kejia Wang;Jinsong Liu;Zhengang Yang |
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| Institution: | Zhongqi Zhang;Xuli Wei;Changming Liu;Kejia Wang;Jinsong Liu;Zhengang Yang;Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology;School of Optical and Electronic information, Huazhong University of Science and Technology; |
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| Abstract: | We design a plano-convex lens working in the terahertz(THz) frequency range and fabricate it using threedimensional(3D) printing technology. A 3D field scanner is used to measure its focal properties, and the results agree well with the numerical simulations. The refractive index and absorption coefficient measurements via THz time-domain spectroscopy(THz-TDS) reveal that the lens material is highly transparent at THz frequencies. It is expected that this inexpensive and rapid 3D printing technology holds promise for making various THz optical elements. |
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