MCT as sub-terahertz and infrared detector

Fiodor F. Sizov; Vyacheslav V. Zabudsky; Sergey A. Dvoretsky; Vladimir A. Petryiakov; Aleksandr G. Golenkov; Katerina V. Andreyeva; Zinoviia F. Tsybrii; Anna V. Shevchik-Shekera; Ernesto Dieguez

doi:10.1117/12.2176854

13 May 2015 MCT as sub-terahertz and infrared detector

Fiodor F. Sizov, Vyacheslav V. Zabudsky, Sergey A. Dvoretsky, Vladimir A. Petryiakov, Aleksandr G. Golenkov, Katerina V. Andreyeva, Zinoviia F. Tsybrii, Anna V. Shevchik-Shekera, Ernesto Dieguez

Author Affiliations +

Proceedings Volume 9483, Terahertz Physics, Devices, and Systems IX: Advanced Applications in Industry and Defense; 94830V (2015) https://doi.org/10.1117/12.2176854
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

Development of infrared and sub-terahertz radiation detectors at the same sensitive elements on the base of mercurycadmium- telluride (MCT) is reported. Two-color un-cooled and cooled to 78 K narrow-gap MCT semiconductor thin layers, grown by liquid phase epitaxy or molecular beam epitaxy method on high resistivity CdZnTe or GaAs substrates, with bow-type antennas were considered both as sub-terahertz direct detection bolometers and 3 to 10 μm infrared photoconductors. Their room temperature noise equivalent power (NEP) at frequency ~ 140 GHz and signal-to-noise ratio (S/N) in the spectral sensitivity maximum under the monochromatic (spectral resolution of ~0.1 μm) globar illumination were reached NEP ~4.5*10^-10 W/Hz^1/2 and S/N~50, respectively.

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Fiodor F. Sizov, Vyacheslav V. Zabudsky, Sergey A. Dvoretsky, Vladimir A. Petryiakov, Aleksandr G. Golenkov, Katerina V. Andreyeva, Zinoviia F. Tsybrii, Anna V. Shevchik-Shekera, and Ernesto Dieguez "MCT as sub-terahertz and infrared detector", Proc. SPIE 9483, Terahertz Physics, Devices, and Systems IX: Advanced Applications in Industry and Defense, 94830V (13 May 2015); https://doi.org/10.1117/12.2176854

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