| Records |
| Author |
Ozhegov, R. V.; Okunev, O. V.; Gol’tsman, G. N.; Filippenko, L. V.; Koshelets, V. P. |
| Title |
Noise equivalent temperature difference of a superconducting integrated terahertz receiver |
Type |
Journal Article |
| Year |
2009 |
Publication |
J. Commun. Technol. Electron. |
Abbreviated Journal |
J. Commun. Technol. Electron. |
Volume  |
54 |
Issue |
6 |
Pages |
716-720 |
| Keywords |
SIS mixer SIR NETD, FFO, harmonic mixer |
| Abstract |
The dependence of the noise equivalent temperature difference (NETD) of a superconducting integrated receiver (SIR) on the receiver noise temperature and the inputsignal level has been investigated. An unprecedented NETD of 13±2 mK has been measured at a SIR noise temperature of 200 K, intermediate-frequency bandwidth of 4 GHz, and time constant of 1 s. With a decrease in the input signal, an improvement in the NETD is observed. This effect is explained by a reduction in the influence of the instabilities of the receiver power supply and the amplification circuit that occur when the input signal is decreased. |
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Edition |
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| ISSN |
1064-2269 |
ISBN |
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Approved |
no |
| Call Number |
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Serial |
1400 |
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| Author |
Baksheeva, K.; Vdovydchenko, A.; Gorshkov, K.; Ozhegov, R.; Kinev, N.; Koshelets, V.; Goltsman, G. |
| Title |
Study of human skin radiation in the terahertz frequency range |
Type |
Conference Article |
| Year |
2019 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume |
1410 |
Issue |
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Pages |
012076 (1 to 5) |
| Keywords |
SIS mixer, SIR, applications, medicine, sympathetic nervous system, SNS |
| Abstract |
The radiation of human skin in the terahertz frequency range under the influence of mental stresses has been studied in the current work. An experimental setup for observation of changes in human skin radiation, which occur under the influence of psychological stresses, by means of a superconducting integrated receiver has been developed. More than 30 volunteers participate in these studies, which allows us to verify presence of correlation between the signals from the superconducting integrated terahertz receiver and other sensors that monitor human mental stress. |
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Edition |
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| ISSN |
1742-6588 |
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| Call Number |
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Serial |
1272 |
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