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Gershenzon, E. M.; Gershenson, M. E.; Goltsman, G. N.; Karasik, B. S.; Lyulkin, A. M.; Semenov, A. D. |
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Title |
Fast-response superconducting electron bolometer |
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Journal Article |
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Year |
1989 |
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Pisma v Zhurnal Tekhnicheskoi Fiziki |
Abbreviated Journal |
Pisma v Zhurnal Tekhnicheskoi Fiziki |
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Volume |
15 |
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3 |
Pages |
88-92 |
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Nb HEB |
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Abstract |
The general design, operation, and performance characteristics of fast-response electronic bolometers using a thin superconducting Nb film on a leucosapphire substrate are briefly reviewed. The volt-watt sensitivity of the bolometrs is 2,000-200,000 V/W, the operating temperature is 1.6 K, and the time constant is 4-4.5 ns. |
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1694 |
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Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D. |
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Title |
Submillimeter backward wave tube spectrometer for measuring superconducting film transmission |
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Journal Article |
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Year |
1983 |
Publication |
Pribory i Tekhnika Eksperimenta |
Abbreviated Journal |
Pribory i Tekhnika Eksperimenta |
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26 |
Issue |
5 |
Pages |
134-137 |
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Keywords |
BWO spectroscopy, spectrometer, transmission |
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Abstract |
A spectrometer employing six backward wave tubes is described. It is intended for investigation of superconductors in the 0.2-3 mm range of wave lengths. During the measurement of the transmission spectrum it is possible to determine the energy gap for superconduct1ng films 50 to 4000 A thick. The transmission factor can vary from 10-1 to 10-9. Spectrum of relation of film transmission factors in superconducting and normal states is measured for determining the energy gap 2 Δ. The transmission spectrum obtained by means of a computer for vanadium film 300 A thick is given as an example. The energy gap 2 Δ = 1.4 MeV |
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0032-8162 |
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Субмиллиметровый спектрометр с лампами обратной волны для измерения пропускания сверхпроводниковых пленок |
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1713 |
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Semenov, A. V.; Devyatov, I. A.; Korneev, A. A.; Smirnov, K. V.; Goltsman, G. N.; Melnikov, A. P. |
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Derivation of expression for thermodynamic potential of “dirty” superconductor |
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2012 |
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Rus. J. Radio Electron. |
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Rus. J. Radio Electron. |
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4 |
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dirty superconductor, Usadel theory, thermodynamic potential |
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We derive a formula for thermodynamic potential of dirty superconductor which express it via isotropic quasiclassical Green functions of Usadel theory. Our result allows unify description of dynamic processes and fluctuations in superconducting nano-electronic devices. |
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7 pages |
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1824 |
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