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Fibers 2018, 6(3), 43;

3D Printed Hollow-Core Terahertz Fibers

Instituto Tecnológico de Aeronáutica—ITA, São José dos Campos 12228-900, Brazil
Instituto de Estudos Avançados—IEAv, São José dos Campos 12.228-001, Brazil
Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas—UNICAMP, Campinas 13083-970, Brazil
Author to whom correspondence should be addressed.
Received: 22 May 2018 / Revised: 14 June 2018 / Accepted: 15 June 2018 / Published: 21 June 2018
(This article belongs to the Special Issue Hollow core optical fibers)
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This paper reviews the subject of 3D printed hollow-core fibers for the propagation of terahertz (THz) waves. Several hollow and microstructured core fibers have been proposed in the literature as candidates for low-loss terahertz guidance. In this review, we focus on 3D printed hollow-core fibers with designs that cannot be easily created by conventional fiber fabrication techniques. We first review the fibers according to their guiding mechanism: photonic bandgap, antiresonant effect, and Bragg effect. We then present the modeling, fabrication, and characterization of a 3D printed Bragg and two antiresonant fibers, highlighting the advantages of using 3D printers as a path to make the fabrication of complex 3D fiber structures fast and cost-effective. View Full-Text
Keywords: terahertz; THz; 3D printing; addictive manufacturing; waveguide; optical fiber terahertz; THz; 3D printing; addictive manufacturing; waveguide; optical fiber

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Cruz, A.L.S.; Cordeiro, C.M.B.; Franco, M.A.R. 3D Printed Hollow-Core Terahertz Fibers. Fibers 2018, 6, 43.

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