Detection of black body radiation using a compact terahertz imager. / Hegedus, Marius; Fedorov, Kirill; Antonov, Ilya; Karataev, Pavel; Antonov, Vladimir.

In: Applied Physics Letters, Vol. 117, 231106, 09.12.2020.

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Detection of black body radiation using a compact terahertz imager. / Hegedus, Marius; Fedorov, Kirill; Antonov, Ilya; Karataev, Pavel; Antonov, Vladimir.

In: Applied Physics Letters, Vol. 117, 231106, 09.12.2020.

Research output: Contribution to journalArticlepeer-review

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@article{f2f65350c6174ba291b13ad84495e01c,
title = "Detection of black body radiation using a compact terahertz imager",
abstract = "We detect terahertz radiation emitted by a blackbody object at room temperature. The probe consists of semiconductor detectors coupled tothe cold finger of a compact cryo-cooler. The detectors are narrow conductive channels in two-dimensional electron gas, which is sensitive tovariations of photon flux through the mechanism of excitation and rectification of plasma waves. The excitation has a resonant nature, withan unexpectedly narrow FWHM, below 10%. The key element of the concept is a compact cryo-platform, which enables us to use highly sensitivecryo-detectors, while keeping the system compact,  34 cm side, and mobile. We discriminate the temperature variation of the blackbodyobject as small as 1.0K at a distance of 1 m. There is room for further optimization of the detectors and optical systems to boost thetemperature resolution down to 0.5K and the operation distance to 5 m, which are needed for practical applications.",
author = "Marius Hegedus and Kirill Fedorov and Ilya Antonov and Pavel Karataev and Vladimir Antonov",
year = "2020",
month = dec,
day = "9",
doi = "10.1063/5.0022533",
language = "English",
volume = "117",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Publising LLC",

}

RIS

TY - JOUR

T1 - Detection of black body radiation using a compact terahertz imager

AU - Hegedus, Marius

AU - Fedorov, Kirill

AU - Antonov, Ilya

AU - Karataev, Pavel

AU - Antonov, Vladimir

PY - 2020/12/9

Y1 - 2020/12/9

N2 - We detect terahertz radiation emitted by a blackbody object at room temperature. The probe consists of semiconductor detectors coupled tothe cold finger of a compact cryo-cooler. The detectors are narrow conductive channels in two-dimensional electron gas, which is sensitive tovariations of photon flux through the mechanism of excitation and rectification of plasma waves. The excitation has a resonant nature, withan unexpectedly narrow FWHM, below 10%. The key element of the concept is a compact cryo-platform, which enables us to use highly sensitivecryo-detectors, while keeping the system compact,  34 cm side, and mobile. We discriminate the temperature variation of the blackbodyobject as small as 1.0K at a distance of 1 m. There is room for further optimization of the detectors and optical systems to boost thetemperature resolution down to 0.5K and the operation distance to 5 m, which are needed for practical applications.

AB - We detect terahertz radiation emitted by a blackbody object at room temperature. The probe consists of semiconductor detectors coupled tothe cold finger of a compact cryo-cooler. The detectors are narrow conductive channels in two-dimensional electron gas, which is sensitive tovariations of photon flux through the mechanism of excitation and rectification of plasma waves. The excitation has a resonant nature, withan unexpectedly narrow FWHM, below 10%. The key element of the concept is a compact cryo-platform, which enables us to use highly sensitivecryo-detectors, while keeping the system compact,  34 cm side, and mobile. We discriminate the temperature variation of the blackbodyobject as small as 1.0K at a distance of 1 m. There is room for further optimization of the detectors and optical systems to boost thetemperature resolution down to 0.5K and the operation distance to 5 m, which are needed for practical applications.

U2 - 10.1063/5.0022533

DO - 10.1063/5.0022533

M3 - Article

VL - 117

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

M1 - 231106

ER -