Terahertz response of thin-film YBCO bolometers

The bolometric response of high-temperature thin-film YBCO superconducting detectors to an electromagnetic radiation with a frequency of 2.5 THz is measured for the first time. The minimum value of the noise-equivalent power of the detectors is 3.5 × 10 −9 W/ . The feasibility of further increasing...

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Bibliographic Details
Published in:Technical physics 2012-12, Vol.57 (12), p.1716-1719
Main Authors: Smirnov, A. V., Karmantsov, M. S., Smirnov, K. V., Vakhtomin, Yu. B., Masterov, D. V., Tarkhov, M. A., Pavlov, S. A., Parafin, A. E.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Detectors
Dielectric films
Experimental Instruments and Technique
High temperature superconductors
Nuclear radiation
Physics
Physics and Astronomy
Thin films
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Summary:The bolometric response of high-temperature thin-film YBCO superconducting detectors to an electromagnetic radiation with a frequency of 2.5 THz is measured for the first time. The minimum value of the noise-equivalent power of the detectors is 3.5 × 10 −9 W/ . The feasibility of further increasing the sensitivity of the detectors is discussed.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784212120250