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Author Merkel, H. F.; Yagoubov, P. A.; Kroug, M.; Khosropanah, P.; Kollberg, E. L.; Gol’tsman, G. N.; Gershenzon, E. M. url  doi
openurl 
  Title Noise temperature and absorbed LO power measurement methods for NbN phonon-cooled hot electron bolometric mixers at terahertz frequencies Type Conference Article
  Year 1998 Publication Proc. 28th European Microwave Conf. Abbreviated Journal Proc. 28th European Microwave Conf.  
  Volume 1 Issue Pages 294-299  
  Keywords NbN HEB mixers  
  Abstract In this paper the absorbed LO power requirements and the noise performance of NbN based phonon-cooled hot electron bolometric (HEB) quasioptical mixers are investigated for RF frequencies in the 0.55-1.1 range The minimal measured DSB noise temperatures are about 500 K at 640 GHz, 600 K at 750 GHz, 850 K at 910 GHz and 1250 K at 1.1 THz. The increase in noise temperature at 1.1THz is attributed to water absorption. The absorbed LO power is measured using a calorimetric approach. The results are subsequently corrected for lattice heating. These values are compared to results of a novel one dimensional hot spot mixer models and to a more traditional isotherm method which tends to underestimate the absorbed LO power for small bias powers. Typically a LO power between 50nW and 100nW is needed to pump the device to the optimal operating point.  
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  Area Expedition Conference 28th European Microwave Conference  
  Notes Approved no  
  Call Number Serial 1580  
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Author Gerecht, E.; Musante, C. F.; Jian, H.; Yngvesson, K. S.; Dickinson, J.; Waldman, J.; Gol'tsman, G. N.; Yagoubov, P. A.; Voronov, B. M.; Gershenzon, E. M. url  openurl
  Title Measured results for NbN phonon-cooled hot electron bolometric mixers at 0.6-0.75 THz, 1.56 THz, and 2.5 THz Type Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 9th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 105-114  
  Keywords NbN HEB mixers  
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  Notes Approved no  
  Call Number Serial 1587  
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Author Mann, C. M.; Matheson, D. N.; Ellison, B. N.; Oldfield, M. L.; Moyna, B. P.; Spencer, J. J.; Wilsher, D. S.; Maddison, B. J. openurl 
  Title On the design and measurement of a 2.5 THz waveguide mixer Type Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 161  
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  Notes Approved no  
  Call Number RPLAB @ s @ schottky_Tn_16800_at_2p5THz Serial 283  
Permanent link to this record
 
 
Author Chouvaev, D.; Kuzmin, L.; Tarasov, M.; Sundquist, P.; Willander, M.; Claeson, T. openurl 
  Title Normal metal hot-electron microbolometer with Andreev mirrors for THz space applications Type Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 9th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 331-335  
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  Notes Approved no  
  Call Number RPLAB @ s @ det_metal_Andreev_Chouvaev_Shitov Serial 285  
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Author Tetsu Suzuki; Chris Mann; Takanari Yasui; Hirotomo Fujishima; Koji Mizuno openurl 
  Title Quasi–integrated planar Schottky barrier diodes for 2.5 THz receivers Type Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 187  
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  Notes Approved no  
  Call Number RPLAB @ s @ schottky_Tn_24000_at_2p5THz Serial 284  
Permanent link to this record
 
 
Author Maddison, B. J.; Martin, R. J.; Oldfield, M. L.; Mann, C. M.; Matheson, D. N.; Ellison, B. N.; Thornton, J.; Hall, W. J.; Lamarre, D. M. openurl 
  Title A compact 500 GHz planar schottky siode receiver with a wide instantaneous bandwidth Type Conference Article
  Year 1998 Publication Proc. 9th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 367  
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  Notes Approved no  
  Call Number RPLAB @ s @ schottky_Tn_4800_at_p5THz Serial 286  
Permanent link to this record
 
 
Author Brown, Robert. L. openurl 
  Title Technical specification of the Millimeter Array Type Conference Article
  Year 1998 Publication Proc. SPIE, Advanced Technology MMW, Radio, and Terahertz Telescopes, vol. 3357 Abbreviated Journal  
  Volume Issue Pages 231-237  
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  Publisher (up) Place of Publication Editor Phillips, Thomas G.  
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  Notes Address is unknown Approved no  
  Call Number RPLAB @ s @ ALMA_tech Serial 287  
Permanent link to this record
 
 
Author Il’in, K. S.; Milostnaya, I. I.; Verevkin, A. A.; Gol’tsman, G. N.; Gershenzon, E. M.; Sobolewski, R. url  doi
openurl 
  Title Ultimate quantum efficiency of a superconducting hot-electron photodetector Type Journal Article
  Year 1998 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.  
  Volume 73 Issue 26 Pages 3938-3940  
  Keywords NbN SSPD, SNSPD  
  Abstract The quantum efficiency and current and voltage responsivities of fast hot-electron photodetectors, fabricated from superconducting NbN thin films and biased in the resistive state, have been shown to reach values of 340, 220 A/W, and 4×104 V/W,

respectively, for infrared radiation with a wavelength of 0.79 μm. The characteristics of the photodetectors are presented within the general model, based on relaxation processes in the nonequilibrium electron heating of a superconducting thin film. The observed, very high efficiency and sensitivity of the superconductor absorbing the photon are explained by the high multiplication rate of quasiparticles during the avalanche breaking of Cooper pairs.		  
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  ISSN 0003-6951 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 1579  
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Author Floet, D. Wilms; Baselmans, J. J. A.; Klapwijk, T. M.; Gao, J. R. url  doi
openurl 
  Title Resistive transition of niobium superconducting hot-electron bolometer mixers Type Journal Article
  Year 1998 Publication Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.  
  Volume 73 Issue 19 Pages 2826  
  Keywords HEB  
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  ISSN 0003-6951 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 543  
Permanent link to this record
 
 
Author Dahl, H.; Metz, H. J.; Wriedt, T. openurl 
  Title Light scattering of silver halide crystals Type Conference Article
  Year 1998 Publication Proc. 3rd Workshop on Electromagnetic and Light Scattering Abbreviated Journal  
  Volume Issue Pages 51-58  
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  Corporate Author Thesis  
  Publisher (up) Place of Publication Universität Bremen Editor  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 504  
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