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Author Kerr, A. R.; Feldman, M. J.; Pan, S.-K. openurl 
  Title Receiver noise temperature, the quantum noise limit, and the role of the zero-point fluctuations Type Journal Article
  Year 1996 Publication Electronics division internal report NO. 304 Abbreviated Journal  
  Volume Issue Pages 1-10  
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  Notes Approved no  
  Call Number (down) RPLAB @ atomics90 @ Serial 947  
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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  
  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 (down) RPLAB @ atomics90 @ Serial 958  
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Author Karasik, B. S.; Elantiev, A. I. url  doi
openurl 
  Title Noise temperature limit of a superconducting hot-electron bolometer mixer Type Journal Article
  Year 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 68 Issue 6 Pages 853-855  
  Keywords HEB mixer noise temperature, Johnson noise, thermal fluctuation noise, noise bandwidth  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0003-6951 ISBN Medium  
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  Notes Approved no  
  Call Number (down) Serial 260  
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Author Karasik, B. S.; Il'in, K. S.; Pechen, E. V.; Krasnosvobodtsev, S. I. url  doi
openurl 
  Title Diffusion cooling mechanism in a hot-electron NbC microbolometer mixer Type Journal Article
  Year 1996 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 68 Issue 16 Pages 2285-2287  
  Keywords HEB mixer, diffusion cooling channel, diffusion channel  
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  Series Editor Series Title Abbreviated Series Title  
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  ISSN 0003-6951 ISBN Medium  
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  Notes Approved no  
  Call Number (down) Serial 262  
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Author van de Stadt, H. openurl 
  Title An improved 1 THz waveguide mixer Type Conference Article
  Year 1996 Publication Proc. 7th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 536  
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  Corporate Author Thesis  
  Publisher Place of Publication Charlottesville, Virginia, USA Editor  
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  Notes Probably other authors exist. Approved no  
  Call Number (down) Serial 263  
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Author Belitsky, V. Yu.; Kollberg, E. L. openurl 
  Title Tuning circuit for NbN SIS mixer Type Conference Article
  Year 1996 Publication Proc. 7th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 234  
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  Publisher Place of Publication Charlottesville, Virginia, USA Editor  
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  Notes Approved no  
  Call Number (down) Serial 264  
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Author Yagubov, P.; Gol'tsman, G.; Voronov, B.; Seidman, L.; Siomash, V.; Cherednichenko, S.; Gershenzon, E. url  openurl
  Title The bandwidth of HEB mixers employing ultrathin NbN films on sapphire substrate Type Conference Article
  Year 1996 Publication Proc. 7th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 7th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 290-302  
  Keywords NbN HEB mixers, fabrication process  
  Abstract We report on some unusual features observed during fabrication of ultrathin NbN films with high Tc. The films were used to fabricate HEB mixers, which were evaluated for IF bandwidth measurements at 140 GHz. Ultrathin films were fabricated using reactive dc magnetron sputtering with a discharge current source. Reproducible parameters of the films are assured keeping constant the difference between the discharge voltage in pure argon, and in a gas mixture, for the same current. A maximum bandwidth of 4 GHz at optimal LO and dc bias was obtained for mixer chip based on NbN film 35 A thick with Tc = 11 K.  
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  Publisher Place of Publication Charlottesville, Virginia, USA Editor  
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  Notes Approved no  
  Call Number (down) Serial 266  
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Author Ellison, B. N.; Maddison, B. J.; Matheson, D. N.; Oldfield, M. L.; Marazita, S.; Crowe, T. W.; Maaskant, P.; Kelly, W. M. openurl 
  Title First results for a 2.5 THz Schottky diode waveguide mixer Type Conference Article
  Year 1996 Publication Proc. 7th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 7th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 494  
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  Corporate Author Thesis  
  Publisher Place of Publication Charlottesville, Virginia, USA Editor  
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  Notes Approved no  
  Call Number (down) Serial 265  
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Author Betz, A. L.; Borejko, R. T. openurl 
  Title A practical Schottky mixer for 5 THz Type Conference Article
  Year 1996 Publication Proc. 7th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 503  
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  Notes Approved no  
  Call Number (down) Serial 269  
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Author Carlstrom, John E.; Jonas Zmuidzinas openurl 
  Title Millimeter and Submillimeter Techniques Type Book Chapter
  Year 1996 Publication Abbreviated Journal  
  Volume Issue Pages 848  
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  Publisher Oxford University Press Inc Place of Publication New York Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Review of radio science 1993–1996 Abbreviated Series Title  
  Series Volume Series Issue 34 Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Published for the International Union of Radio Science Approved no  
  Call Number (down) Serial 268  
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