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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  
  Language Summary Language Original Title  
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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 Kroug, M.; Cherednichenko, S.; Choumas, M.; Merkel, H.; Kollberg, E.; Hübers, H.-W.; Richter, H.; Loudkov, D.; Voronov, B.; Gol'Tsman, G. url  openurl
  Title HEB quasi-optical heterodyne receiver for THz frequencies Type Conference Article
  Year 2001 Publication Proc. 12th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 244-252  
  Keywords HEB mixer, NbN, MgO, conversion gain bandwidth, noise temperature  
  Abstract (up)  
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  Corporate Author Thesis  
  Publisher Place of Publication San Diego, CA, USA Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 319  
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Author Hübers, H.-W.; Semenov, A. D.; Richter, H.; Schubert, J.; Hadjiloucas, S.; Bowen, J. W.; Gol'tsman, G.; Voronov, B. M.; Gershenzon, E. M. url  openurl
  Title Antenna pattern of the quasi-optical hot-electron bolometric mixer at terahertz frequencies Type Conference Article
  Year 2001 Publication Proc. 12th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 12th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 286-296  
  Keywords NbN HEB mixers  
  Abstract (up)  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication San Diego, CA, USA Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 323  
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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 HEB  
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  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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Author Il'in, K.; Siegel, M.; Semenov, A.; Engel, A.; Hübers, H.-W.; Hollmann, E.; Gol'tsman, G.; Voronov, B. url  openurl
  Title Thickness dependence of superconducting properties of ultrathin Nb and NbN films Type Conference Article
  Year 2004 Publication AKF-Frühjahrstagung Abbreviated Journal  
  Volume Issue Pages  
  Keywords Nb, NbN films, has potential plagiarism  
  Abstract (up)  
  Address Berlin-Adlershof  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
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  Series Editor Series Title Abbreviated Series Title  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1503  
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Author Yagoubov, P.; Hübers, H.-W.; Gol’tsman, G.; Semenov, A.; Gao, J.; Hoogeveen, R.; de Graauw, T.; Birk, M.; Selig, A.; de Korte, P. url  isbn
openurl 
  Title Hot-electron bolometer mixers – technology for far-infrared heterodyne instruments in future atmospheric chemistry missions Type Conference Article
  Year 2001 Publication Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space Abbreviated Journal Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space  
  Volume Issue Pages 57-69  
  Keywords HEB mixers  
  Abstract (up)  
  Address Delmenhorst  
  Corporate Author Thesis  
  Publisher Logos-Verlag Place of Publication Editor Buehler, S.; Berlin  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN 3-89722-700-2 Medium  
  Area Expedition Conference International Symposium on Submillimeter Wave Earth Observation from Space, ISSMWEOS01  
  Notes Approved no  
  Call Number Serial 1549  
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Author Schubert, J.; Semenov, A.; Hübers, H.-W.; Gol'tsman, G.; Schwaab, G.; Voronov, B.; Gershenzon, E. url  openurl
  Title Broad-band terahertz NbN hot-electron bolometric mixer Type Conference Article
  Year 1999 Publication Inst. Phys. Conf. Abbreviated Journal Inst. Phys. Conf.  
  Volume 167 Issue Pages 663-666  
  Keywords NbN HEB mixers  
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  Area Expedition Conference 4th Europ. Conf. on Appl. Superconductivity, Barcelona, Spain, 14-17 September 1999  
  Notes Approved no  
  Call Number Serial 1578  
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Author Cherednichenko, S.; Drakinskiy, V.; Baubert, J.; Lecomte, B.; Dauplay, F.; Krieg, J.-M.; Delorme, Y.; Feret, A.; Hübers, H.-W.; Semenov, A. D.; Gol’tsman, G. N. url  openurl
  Title 2.5 THz multipixel heterodyne receiver based on NbN HEB mixers Type Abstract
  Year 2007 Publication Proc. 18th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 18th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 112  
  Keywords NbN HEB mixers  
  Abstract (up) A 16 pixel heterodyne receiver for 2.5 THz has been developed based on NbN superconducting hot-electron bolometer (HEB) mixers. The receiver uses a quasioptical RF coupling approach where HEB mixers are integrated into double dipole antennas on 1.5μm thick Si3N4 / SiO2 membranes. Spherical mirrors (one per pixel) and backshort distance from the antenna have been used to design the output mixer beam profile. The camera design allows all 16 pixel IF readout in parallel. Measurements of the mixers sensitivity and the input RF band are presented, and compared against calculations.  
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  Notes Approved no  
  Call Number Serial 1419  
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Author Cherednichenko, S.; Drakinskiy, V.; Lecomte, B.; Dauplay, F.; Krieg, J.-M.; Delorme, Y.; Feret, A.; Hübers, H.-W.; Semenov, A.D.; Gol’tsman, G.N. url  openurl
  Title Terahertz heterodyne array based on NbN HEB mixers Type Abstract
  Year 2008 Publication Proc. 19th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 43  
  Keywords NbN HEB mixers array  
  Abstract (up) A 16 pixel heterodyne receiver for 2.5 THz is been developed based on NbN superconducting hot-electron bolometer (HEB) mixers. The receiver uses a quasioptical RF coupling approach where HEB mixers are integrated into double dipole antennas on 1.5μm thick Si3N4 / SiO2 membranes. Miniature mirrors (one per pixel) and back short for the antenna were used to design the output mixer beam profile. The camera design allows all 16 pixel IF readout in parallel. The gain bandwidth of the HEB mixers on Si3N4 / SiO 2 membranes was found to be about 3 GHz, when an MgO buffer layers is applied on the membrane. We will also present the progress in the camera heterodyne tests.  
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  Notes Approved no  
  Call Number Serial 1411  
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Author Schwaab, G. W.; Hübers, H.-W.; Schubert, J.; Erichsen, Patrik; Gol'tsman, G.; Semenov, A.; Verevkin, A.; Cherednichenko, S.; Gershenzon, E. url  openurl
  Title A high resolution spectrometer for the investigation of molecular structures in the THZ range Type Conference Article
  Year 1999 Publication Proc. 10th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 10th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 530-538  
  Keywords antireflection coatings, dielectric mirrors  
  Abstract (up) A status report on the design study of a novel tunable far-infrared (TuFTR) spectrometer for the investigation of the structure of weakly bound molecular complexes is given. The goal is a sensitive TuFIR spectrometer with full frequency coverage from 1-6 THz. To hit the goal, advanced sources (e.g. p-Ge lasers) and detectors (e.g. superconducting hot electron bolometric (HEB) mixers) shall be employed to extend the technique of cavity ringdown spectroscopy, that is currently used at optical and infrared frequencies to the FIR spectral range. Critical for such a system are high-Q resonators that still allow good optical coupling, and wideband antireflection coatings to increase detector sensitivity and decrease optical path losses. 2 nd order effective media theory and an iterative multilayer algorithm have been employed to design wideband antireflection coatings for dielectrics with large dielectric constants like Ge or Si. Taking into account 6 layers, for Si bandwidths of 100% of the center frequency could be obtained with power reflectivities below 1% for both polarizations simultaneously. Wideband dielectric mirrors including absorption losses were also studied yielding a bandwidth of about 50% with reflectivities larger than 99.5%.  
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  Notes Approved no  
  Call Number Serial 1577  
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