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Optomechanical metamaterial nanobolometer

Optomechanical metamaterial nanobolometer
Optomechanical metamaterial nanobolometer
Bolometers are detectors of electromagnetic radiation that usually convert the radiation-induced change of temperature of the detector into electric signals. Temperature-dependent electrical resistance in semiconductors and superconductors, the thermoelectric effect in thermocouples and the pyroelectric effect of transient electric polarization of certain materials when they are heated or cooled are among the underlying physical phenomena used in bolometers. Here, we report that the dependence of the fundamental frequency of a nanowire string detected via scattering of light on the string can be used in a bolometer. Arrays of such nanowires can serve as detectors with high spatial and temporal resolution. We demonstrate a bolometer with 400 nm spatial resolution, 2-3 μs thermal response time and optical power detection noise floor at 3-5 nW/Hz^0.5 at room temperature.
bolometer, nanomechanics, metamaterial, reconfigurable metamaterial, sensing
2378-0967
Papas, Dimitrios
cff74106-c632-4f06-a2ff-55b204fab699
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6
Papas, Dimitrios
cff74106-c632-4f06-a2ff-55b204fab699
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6

Papas, Dimitrios, Ou, Jun-Yu, Plum, Eric and Zheludev, Nikolai (2021) Optomechanical metamaterial nanobolometer. APL Photonics, 6, [126110]. (doi:10.1063/5.0073583).

Record type: Article

Abstract

Bolometers are detectors of electromagnetic radiation that usually convert the radiation-induced change of temperature of the detector into electric signals. Temperature-dependent electrical resistance in semiconductors and superconductors, the thermoelectric effect in thermocouples and the pyroelectric effect of transient electric polarization of certain materials when they are heated or cooled are among the underlying physical phenomena used in bolometers. Here, we report that the dependence of the fundamental frequency of a nanowire string detected via scattering of light on the string can be used in a bolometer. Arrays of such nanowires can serve as detectors with high spatial and temporal resolution. We demonstrate a bolometer with 400 nm spatial resolution, 2-3 μs thermal response time and optical power detection noise floor at 3-5 nW/Hz^0.5 at room temperature.

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More information

Accepted/In Press date: 2 December 2021
Published date: 29 December 2021
Keywords: bolometer, nanomechanics, metamaterial, reconfigurable metamaterial, sensing

Identifiers

Local EPrints ID: 453825
URI: http://eprints.soton.ac.uk/id/eprint/453825
ISSN: 2378-0967
PURE UUID: a5de395f-499a-4429-9107-885316ebde95
ORCID for Dimitrios Papas: ORCID iD orcid.org/0000-0001-7275-1661
ORCID for Jun-Yu Ou: ORCID iD orcid.org/0000-0001-8028-6130
ORCID for Eric Plum: ORCID iD orcid.org/0000-0002-1552-1840
ORCID for Nikolai Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 24 Jan 2022 17:59
Last modified: 17 Mar 2024 03:25

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Contributors

Author: Dimitrios Papas ORCID iD
Author: Jun-Yu Ou ORCID iD
Author: Eric Plum ORCID iD

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