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Author Crowe, T. W.; Mattauch, R. J.; Roser, H. P.; Bishop, W. L.; Peatman, W. C. B.; Liu, X.
Title (up) GaAs Schottky diodes for THz mixing applications Type Conference Article
Year 1992 Publication Proc. IEEE Abbreviated Journal
Volume 80 Issue 11 Pages 1827-1841
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Area Expedition Conference
Notes Approved no
Call Number Serial 245
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Author Lang, P. T.; Knott, W. J.; Leipold, I.; Renk, K. F.; Semenov, A. D.; Gol'tsman, G. N.
Title (up) Generation and detection of tunable ultrashort infrared and far-infrared radiation pulses of high intensity Type Journal Article
Year 1992 Publication Int. J. of Infrared and Millimeter Waves Abbreviated Journal Int. J. of Infrared and Millimeter Waves
Volume 13 Issue 3 Pages 373-380
Keywords CO2 IR lasers, FIR
Abstract We report on generation and detection of intense pulsed radiation with frequency tunability in the infrared and far-infrared spectral regions. Infrared radiation is generated with a transversally electrically excited high pressure CO2 laser. A laser pulse of a total duration of about 300 ns consisted, due to self mode locking, of a series of single pulses, some with pulse durations of less than 450 ps and peak powers larger than 20 MW. Using these pulses for optical with durations less than 400 ps were obtained. For detection a new ultrafast superconducting detector was used.
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ISSN 0195-9271 ISBN Medium
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Call Number Serial 1671
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Author Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V.
Title (up) Heating of electrons in resistive state of superconducting films. Detectors, mixers and switches Type Conference Article
Year 1992 Publication Progress in High Temperature Superconductivity Abbreviated Journal Progress in High Temperature Superconductivity
Volume 32 Issue Pages 190-195
Keywords superconducting films, heating of electrons
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Area Expedition Conference International Conference on High Temperature Superconductivity and Localization Phenomena , Moscow, Russia , 11 – 15 May 1991
Notes https://books.google.co.kr/books?hl=en&lr=&id=uCI0DwAAQBAJ&oi=fnd&pg=PA190&ots=z7WGjXYWr4&sig=TQ6G6dKsmcj4faYe1ZLw_BFmps8 Approved no
Call Number Serial 1666
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Author Kollberg, Erik L.; Gershenzon, E.; Goltsman, G.; Yngvesson, K. S.
Title (up) Hot electron mixers, the potential competition Type Conference Article
Year 1992 Publication Proc. ESA Symp. on Photon Detectors for Space Instrumentation Abbreviated Journal Proc. ESA Symp. on Photon Detectors for Space Instrumentation
Volume Issue Pages 201-206
Keywords HEB mixers
Abstract There is an urgent need in radio astronomy for low noise heterodyne receivers for frequencies above about 500 GHz. It is not certain that mixers based on superconducting quasiparticle tunnelling (SIS mixers) may turn out to be the answer to this need. In order to try to find an alternative way for realizing low noise heterodyne receivers for submillimeter waves, so called hot electron bolometric effects for mixing are now being investigated. Two basically different approaches are tried, one based on semiconductors and one on superconductors. Both methods are briefly discussed in this overview paper.
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Area Expedition Conference ESA Symposium on Photon Detectors for Space Instrumentation
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Call Number Serial 1667
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Author Budyanskij, M. Ya.; Sejdman, L. A.; Voronov, B. M.; Gubkina, T. O.
Title (up) Increase of reproducibility in production of superconducting thin films of niobium nitride Type Journal Article
Year 1992 Publication Sverkhprovodimost': Fizika, Khimiya, Tekhnika Abbreviated Journal Sverkhprovodimost': Fizika, Khimiya, Tekhnika
Volume 5 Issue 10 Pages 1950-1954
Keywords NbN films
Abstract Technique to control the composition of gas medium in the reactive magnetron discharge and the composition of the deposited films of niobium nitride using electrical parameters of discharge only, in particular, by δU = Up – Uar value at contant stabilized discharge current is described. Technique to select optimal condition for deposition of niobium nitride films when the films have composition meeting chemical formula, is suggested. Thin films of niobium nitride with up to 7 nm thickness and with rather high temperature of transition into superconducting state Tk > 10 K) and with low width of transition (δ < 0.6 K), are obtained. It is determined, that substrate material and dielectric sublayer do not affect. Tk value, while difference in coefficients of thermal expansion of substrate and of film affects δTk value.
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ISSN 0131-5366 ISBN Medium
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Notes Approved no
Call Number Serial 1675
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