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Author Klapwijk, T. M.; Barends, R.; Gao, J. R.; Hajenius, M.; Baselmans, J. J. A. openurl 
  Title Improved superconducting hot-electron bolometer devices for the THz range Type Conference Article
  Year 2004 Publication Proc. SPIE Abbreviated Journal Proc. SPIE  
  Volume 5498 Issue Pages 129-139  
  Keywords HEB mixer distributed model, numerical model  
  Abstract Improved and reproducible heterodyne mixing (noise temperatures of 950 K at 2.5 THz) has been realized with NbN based hot-electron superconducting devices with low contact resistances. A distributed temperature numerical model of the NbN bridge, based on a local electron and a phonon temperature, has been used to understand the physical conditions during the mixing process. We find that the mixing is predominantly due to the exponential rise of the local resistivity as a function of electron temperature.  
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  Notes Invited talk, Recommended by Klapwijk Approved no  
  Call Number Serial 912  
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Author Piotr슠Orleanski; Miroslaw슠Ciechanowicz; Malgorzata슠Michalska; Witold슠Nowosielski; Miroslaw슠Rataj; Marek슠Winkler openurl 
  Title LCU: the control unit dedicated for local oscillator subsystem in ESA HIFI/Herschel project Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal  
  Volume 6159 Issue Pages  
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  Call Number RPLAB @ s @ LO_control_HIFI_Heschel_2006 Serial 391  
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