Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/135522
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Type: Journal article
Title: Single-step tabletop fabrication for low-attenuation terahertz specialty optical fibres
Author: Islam, M.S.
Sultana, J.
Osorio, J.
Dinovitser, A.
Ng, B.
Benabid, F.
Ebendorff-Heidepriem, H.
Abbott, D.
Cordeiro, C.M.B.
Citation: Advanced Photonics Research, 2021; 2(12):2100165-1-2100165-9
Publisher: Wiley-VCH GmbH
Issue Date: 2021
ISSN: 2699-9293
2699-9293
Statement of
Responsibility: 
Md. Saiful Islam, Jakeya Sultana, Jonas H. Osório, Alex Dinovitser, Brian W-H. Ng, Fetah Benabid, Heike Ebendorff-Heidepriem, Derek Abbott, and Cristiano M. B. Cordeiro
Abstract: Amid the search for efficient terahertz transmission and gas sensing, all-polymer terahertz waveguides attract significant interest due to their compactness and capability for providing environmentally robust systems. The high loss within metals and dielectrics in the terahertz range makes it challenging to build a low loss, mechanically stable, and broadband terahertz waveguides. In this context, hollow waveguides made of Zeonex are promising for attaining low transmission loss in the terahertz range. Here, we investigate a microstructured hollow hexagonal-core fibre (HCF) that exhibits low loss, near-zero dispersion, wide operating bandwidth, and is suitable as a gas sensor. Notably, HCF fabrication is carried out by exploiting an efficient single-step extrusion method-- by a standard filament extruder and a puller; hence the production cost is low compared to conventional extrusion methods. This introduces a novel way of fabricating complex and low-loss terahertz fibres. Our experiments demonstrate that an HCF can achieve remarkably low attenuation and near-zero flattened dispersion as compared to any other terahertz fibres. The resulting HCFs are easy to handle and have high thermal and chemical stability. These results bring significant advancements for terahertz fibre fabrication, low-loss ultrafast short-distance terahertz transmission, and sensing in the terahertz spectral domain.
Keywords: gas sensors; hollow core fibers; low attenuation; tabletop fabrications; terahertz fibers
Description: Published online: October 10, 2021
Rights: © 2021 The Authors. Advanced Photonics Research published by Wiley- VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
DOI: 10.1002/adpr.202100165
Grant ID: http://purl.org/au-research/grants/arc/CE140100003
http://purl.org/au-research/grants/arc/LE190100124
Appears in Collections:Aurora harvest 4
Electrical and Electronic Engineering publications

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