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Gershenzon, E. M.; Gol'tsman, G. N.; Elantiev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
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Intense electromagnetic radiation heating of electrons of a superconductor in the resistive state |
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1988 |
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Sov. J. Low Temp. Phys. |
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Sov. J. Low Temp. Phys. |
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14 |
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7 |
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414-420 |
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Keywords |
HEB |
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Duplicated as 1697 |
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236 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
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Title |
Intense electromagnetic radiation heating of superconductor electrons in resistive state |
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Journal Article |
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Year |
1988 |
Publication |
Fizika Nizkikh Temperatur |
Abbreviated Journal |
Fizika Nizkikh Temperatur |
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14 |
Issue |
7 |
Pages |
753-763 |
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Keywords |
Nb HEB |
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An experimental study is made of the effect of intense radiation in the millimeter and submillimeter ranges on thin and narrow Nb films in the resistive state. It is found that the excess resistance resulting from radiation and the dependence of its relaxation time on radiation intensity and transport current can be explained in terms of the effect of electron heating. Quantitative agreement is obtained between the experimental data and a homogeneous electron heating model. |
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1697 |
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Schubert, J.; Semenov, A.; Hübers, H.-W.; Gol'tsman, G.; Schwaab, G.; Voronov, B.; Gershenzon, E. |
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Title |
Broad-band terahertz NbN hot-electron bolometric mixer |
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Conference Article |
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1999 |
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Inst. Phys. Conf. |
Abbreviated Journal |
Inst. Phys. Conf. |
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167 |
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663-666 |
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NbN HEB mixers |
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4th Europ. Conf. on Appl. Superconductivity, Barcelona, Spain, 14-17 September 1999 |
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1578 |
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Semenov, A.; Richter, H.; Hübers, H.-W.; Smirnov, K.; Voronov, B.; Gol'tsman, G. |
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Title |
Development of terahertz superconducting hot-electron bolometer mixers |
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2003 |
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Proc. 6th European Conf. Appl. Supercond. |
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Proc. 6th European Conf. Appl. Supercond. |
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181 |
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2960-2965 |
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NbN HEB mixers |
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We present recent results of the development of phonon cooled hot-electron bolometric (HEB) mixers for airborne and balloon borne terahertz heterodyne receivers. Three iomportant issues have been addresses: the quality of NbN films the HEB mixers were made from, the spectral properties of the HEB mixers and the local oscillator power required for optical operation. Studies with an atomic force microscope indicate, that the performance of the HEB mixer might have been effected by the microstructure of the NbN film. Antenna gain and noise temperature were investigated at terahertz frequencies for a HEB embedded in either log-spiral or twin-slot feed antenna. Comparison suggests that at frequencies above 3 THz the spiral feed provides better overall performance. At 1.6 THz, a power of 2.5 µW was required from the local oscillator for optimal operation of the HEB mixer. |
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Sorrento, Italy |
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0750309814, 978-0750309813 |
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1505 |
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Il'in, K.; Siegel, M.; Semenov, A.; Engel, A.; Hübers, H.-W.; Hollmann, E.; Gol'tsman, G.; Voronov, B. |
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Title |
Thickness dependence of superconducting properties of ultrathin Nb and NbN films |
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2004 |
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AKF-Frühjahrstagung |
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Nb, NbN films, has potential plagiarism |
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Berlin-Adlershof |
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1503 |
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