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Ultra-wideband waveguide embedded graphene-based THz absorber
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.ORCID iD: 0000-0002-8514-6863
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.ORCID iD: 0000-0002-7739-3178
Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Estonia.
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.ORCID iD: 0000-0003-3339-9137
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2021 (English)In: The 11th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2021, META Conference , 2021, p. 926-927Conference paper, Published paper (Refereed)
Abstract [en]

A novel type of absorber material integrated in a standard metal waveguide is developed for the ultra-wide frequency range of 67-500 GHz. The absorber is based on graphene augmented inorganic nanofibers which are deposited inside a metallic waveguide cassette, allowing them to be utilised in standard waveguide systems. The material’s microstructures result in a low level of reflectance (< -15 dB) and good absorbance (> 20 dB) from 110-500 GHz due to the porosity of the sample and attenuation caused by graphene, making them highly suited for wideband terahertz applications.

Place, publisher, year, edition, pages
META Conference , 2021. p. 926-927
Series
META, ISSN 24291390
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-338043Scopus ID: 2-s2.0-85172475442OAI: oai:DiVA.org:kth-338043DiVA, id: diva2:1804596
Conference
11th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2021, Warsaw, Poland, Jul 23 2021 - Jul 20 2021
Note

QC 20231013

Available from: 2023-10-13 Created: 2023-10-13 Last updated: 2023-10-13Bibliographically approved

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Campion, JamesXenidis, NikolaosOberhammer, JoachimLioubtchenko, Dmitri

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