Tunable THz metamaterials based on phase-changed materials (VO2) triggered by thermal and electrical stimuli

Aurelian Crunteanu 1 Georges Humbert 2 Jonathan Leroy 1 Laure Huitema 3 Jean-Christophe Orlianges 1 Annie Bessaudou 1
1 XLIM-RFEI - RF-ELITE : RF-Electronique Imprimée pour les Télécommunications et l'Energie
XLIM - XLIM : RFEI
2 XLIM-PHOT - Photonique Fibre et Sources Cohérentes
XLIM - XLIM : PHOT
3 XLIM-SRF - Systèmes RF
XLIM - XLIM : SRF
Abstract : One of the most peculiar characteristics of the insulator-to-metal transition (MIT) in vanadium dioxide (VO2) material is its broadband response, manifested by drastic electrical and dielectric properties changes between the insulator and metallic states on a very large frequency spectrum. We are presenting the characterization of the MIT in VO2 films over a wide range of the electromagnetic spectrum (75-110GHz, 0.1-1.4THz) and illustrate the materials’ capabilities for manipulating the electromagnetic radiation in the millimeter-waves and THz domains. We demonstrate the possibility of realizing tunable THz devices by introducing this phase transition material as localized patterns in the structure of THz planar metamaterials. We designed, simulated and fabricated tunable VO2-based THz metamaterials devices which show significant variations in their THz transmission under the effect of thermal stimuli but also by applying an electrical voltage across the devices.
Keywords : vanadium dioxide metal-insulator phase transition millimeter waves and THz properties THz metamaterials THz waves thermal and electrical activation
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https://hal-unilim.archives-ouvertes.fr/hal-01478685
Contributeur : Aurelian Crunteanu <>
Soumis le : mardi 28 février 2017 - 11:54:32
Dernière modification le : jeudi 11 janvier 2018 - 06:27:37

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UNILIM | XLIM-PHOT | XLIM-RFEI | XLIM-SRF | XLIM

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Aurelian Crunteanu, Georges Humbert, Jonathan Leroy, Laure Huitema, Jean-Christophe Orlianges, et al.. Tunable THz metamaterials based on phase-changed materials (VO2) triggered by thermal and electrical stimuli. Proceedings of SPIE, the International Society for Optical Engineering, SPIE, The International Society for Optical Engineering, 2017, Proc. SPIE 10103, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications X, pp.101031H. ⟨10.1117/12.2251823⟩. ⟨hal-01478685⟩

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