We have proposed and developed terahertz and subterahertz wave detector using hot-carrier effect in narrow-gap Hg1−xCdxTe. Epitaxial Hg1−xCdxTe-layers were integrated into dipole antennas. The response of Hg1−xCdxTe hot-electron bolometer was measured in the range of frequencies 0.037–1.58 THz, in the temperature region T = 68–300 K at various bias currents. A bolometer theoretical model was developed and the experimental results confirm the model main conclusions.
Keywords: THz radiation; bolometer; hot-carrier effect
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Published Online: 2010-09-05
Published in Print: 2010-09-01
Citation Information: Opto-Electronics Review, Volume 18, Issue 3, Pages 300–304, ISSN (Online) 1896-3757, DOI: https://doi.org/10.2478/s11772-010-1026-7.
© 2010 SEP, Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0
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