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Author Hübers, H. W.; Pavlov, S. G.; Semenov, A. D.; Tredicucci, A.; Köhler, R.; Mahler, L.; Beere, H. E.; Linfield, E. H.; Ritchie, D. A. openurl 
  Title Investigation of a 2.5 THz quantum cascade laser as local oscillator Type Conference Article
  Year 2005 Publication Proc. 16th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 18  
  Keywords (up)  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Göteborg, Sweden Editor  
  Language Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ qc_lasers_huebers Serial 366  
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Author Mair, U.; Suttywong, N.; Hübers, H.-W.; Semenov, A. D.; Richter, H.; Wagner, G.; Birk, M. openurl 
  Title Development of 1.8 THz receiver for the TELIS instrument Type Conference Article
  Year 2005 Publication Proc. 16th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages  
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  Publisher Place of Publication Göteborg, Sweden Editor  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ qo_TELIS_1p8_THz Serial 364  
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Author Gousev, Yu. P.; Semenov, A. D.; Pechen, E. V.; Varlashkin, A. V.; Nebosis, R. S.; Renk K. F openurl 
  Title Coupling of terahertz radiation to a high-Т(с) superconducting hot electron bolometer mixer Type Journal Article
  Year 1996 Publication Abbreviated Journal Appl. Phys. Lett.,  
  Volume 69 Issue Pages 691-693  
  Keywords (up)  
  Abstract We report on efficient coupling of THz radiation to a high-T(c) superconducting hot electron bolometer that is suitable for heterodyne detection. Our quasioptical system consisted of a planar self-complementary spiral antenna on a dielectric substrate clamped to an extended hyperhemispherical lens. The antenna was integrated into a co-planar line for broadband intermediate frequency matching. Measurements in the homodyne regime at a frequency of 2.5 THz showed a radiation pattern with a beam width of 1° and a coupling efficiency of 0.1. We measured, at an intermediate frequency of 1.5 GHz, an output noise temperature of'160 K and estimated for the device, operated in the heterodyne regime, a system noise temperature of 30 000 K. We also discuss possibilities of significant improvement of the sensitivity.  
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  Notes Approved no  
  Call Number RPLAB @ atomics90 @ Serial 958  
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Author Gershenzon, E.; Gershenzon, M. E.; Gol'tsman, G. N.; Semenov, A. D.; Sergeev, A. V. url  openurl
  Title Heating of quasiparticles in a superconducting film in the resistive state Type Journal Article
  Year 1981 Publication JETP Lett. Abbreviated Journal JETP Lett.  
  Volume 34 Issue 5 Pages 268-271  
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  Notes Approved no  
  Call Number Serial 1716  
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Author Gershenzon, E. M.; Gol'tsman, G. N.; Semenov, A. D. url  openurl
  Title Submillimeter backward wave tube spectrometer for measuring superconducting film transmission Type Journal Article
  Year 1983 Publication Pribory i Tekhnika Eksperimenta Abbreviated Journal Pribory i Tekhnika Eksperimenta  
  Volume 26 Issue 5 Pages 134-137  
  Keywords (up) BWO spectroscopy, spectrometer, transmission  
  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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  Language Russian Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0032-8162 ISBN Medium  
  Area Expedition Conference  
  Notes Субмиллиметровый спектрометр с лампами обратной волны для измерения пропускания сверхпроводниковых пленок Approved no  
  Call Number Serial 1713  
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Author Aksaev, E. E.; Gershenzon, E.M.; Gol'tsman, G. N.; Mirskij, G. I.; Semenov, A. D. url  openurl
  Title Submillimetric spectrometer-relaxometer based on backward-wave tubes with picosecond time resolution Type Journal Article
  Year 1991 Publication Pribory i Tekhnika Eksperimenta Abbreviated Journal Pribory i Tekhnika Eksperimenta  
  Volume 34 Issue 2 Pages 125-131  
  Keywords (up) BWO, applications  
  Abstract The high-sensitive automatic spectrometer-relaxometer based on backward-wave tubes in the range of 4÷0.25 mm was described permitting to study the response kinetics of sample under investigation in any point of this range with the resolution time of 10-11 s. The relaxation measurements were conducted using oscillation beats of two adequate tubes, the frequency of one of them was fixed, while that of the other one was changeable. The amplitude-frequency characteristic of the response under the conditions of synchronous reception was recorded at beat frequency variation from 107 to 1010 Hz. The high sensitivity was reached by decreasing the device recording band down to 100 Hz in the whole measuring range.  
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  ISSN 0032-8162 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1683  
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Author Lang, P. T.; Leipold, I.; Knott, W. J.; Semenov, A. D.; Gol'tsman, G. N.; Renk, K. F. url  doi
openurl 
  Title New far-infrared laser lines from CH3Cl and CH3Br optically pumped with a continuously tunable high pressure CO2 laser Type Journal Article
  Year 1991 Publication Appl. Phys. B Abbreviated Journal Appl. Phys. B  
  Volume 53 Issue 4 Pages 207-212  
  Keywords (up) CO2 IR lasers, applications, CH3Cl, CH3Br  
  Abstract In this paper we report on the detection of new far-infrared laser lines from CH3Cl and CH3Br optically pumped with a continuously tunable high pressure CO2 laser. We found 80 new lines for CH3Cl and 9 new lines for CH3Br in the frequency region between 16 cm−1 and 41 cm−1, all due to stimulated Raman scattering. For the Raman gain regions bandwidths up to about 700 MHz were found. We also observed high intensity short far-infrared laser pulses of durations in the nanosecond regime.  
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  ISSN 0721-7269 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 1678  
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Author Lang, P. T.; Knott, W. J.; Leipold, I.; Renk, K. F.; Semenov, A. D.; Gol'tsman, G. N. url  doi
openurl 
  Title 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 (up) 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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  Series Volume Series Issue Edition  
  ISSN 0195-9271 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1671  
Permanent link to this record
 
 
Author Gershenzon, E. M.; Goltsman, G. N.; Semenov, A. D.; Sergeev, A. V. url  openurl
  Title Limiting characteristic of fast superconducting bolometers Type Journal Article
  Year 1989 Publication Sov. Phys.-Tech. Phys. Abbreviated Journal Sov. Phys.-Tech. Phys.  
  Volume 34 Issue Pages 195-199  
  Keywords (up) HEB  
  Abstract Теоретически и экспериментально исследовано физическое ограничение быстродействия сверхпроводящего болометра. Показано, что минимальная постоянная времени реализуется в условиях электронного разогрева и определяется процессом неупругого электрон-фонон- ного взаимодействия. Сформулированы требования кконструкции «электронного болометра» для достижения предельной чувствительности. Проведено сравнение характеристик электронного болометра и обычных болометров различных типов.  
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  Notes О предельных характеристиках быстродействующих серхпроводниковых болометров Approved no  
  Call Number Serial 237  
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Author Semenov, A. D.; Il'in, K.; Siegel, M.; Smirnov, A.; Pavlov, S.; Richter, H.; Hübers, H.-W. url  doi
openurl 
  Title Evidence of non-bolometric mixing in the bandwidth of a hot-electron bolometer Type Journal Article
  Year 2006 Publication Superconductor Science and Technology Abbreviated Journal Supercond. Sci. Technol.  
  Volume 19 Issue 10 Pages 1051-1056  
  Keywords (up) HEB  
  Abstract  
  Address  
  Corporate Author Thesis  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0953-2048 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 536  
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