BiSb structured thin-film as photothermoelectric terahertz detector

Petr Demchenko; A. Tukmakova; A. Zaitsev; I. Tkhorzhevskiy; N. Kablukova; A. Novotelnova; M. Khodzitsky

doi:10.1117/12.2656080

16 December 2022 BiSb structured thin-film as photothermoelectric terahertz detector

Petr Demchenko, A. Tukmakova, A. Zaitsev, I. Tkhorzhevskiy, N. Kablukova, A. Novotelnova, M. Khodzitsky

Proceedings Volume 12324, Infrared, Millimeter-Wave, and Terahertz Technologies IX; 123241B (2022) https://doi.org/10.1117/12.2656080
Event: SPIE/COS Photonics Asia, 2022, Online Only

Conference Poster

Abstract

The terahertz (THz) frequency range is electromagnetic radiation in the range from 0.1 to 10 THz, which has high potential for use in non-destructive testing and control of the moisture content of objects. For a long time there was no elemental base of elements (receivers, transmitters, modulators, etc.) to work in this range. At the moment, existing detectors are made according to difficult and inaccessible technologies (like as molecular-beam epitaxy). In this paper, terahertz detector based on a thin-film structured thermoelectric material (solid solution of bismuth-antimony with a concentration of antimony of 12%) and copper contacts on a mica substrate was numerically demonstrated.

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Petr Demchenko, A. Tukmakova, A. Zaitsev, I. Tkhorzhevskiy, N. Kablukova, A. Novotelnova, and M. Khodzitsky "BiSb structured thin-film as photothermoelectric terahertz detector", Proc. SPIE 12324, Infrared, Millimeter-Wave, and Terahertz Technologies IX, 123241B (16 December 2022); https://doi.org/10.1117/12.2656080

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