Evidence of non-bolometric mixing in the bandwidth of a hot-electron bolometer
Semenov, Alexey and Il'in, Konstantin and Siegel, Michael and Smirnov, Andrey and Pavlov, Sergey and Richter, Heiko and Hübers, Heinz-Wilhelm (2006) Evidence of non-bolometric mixing in the bandwidth of a hot-electron bolometer. Superconductor Science and Technology, 19, pp. 1051-1056. Institute of Physics Publishing. DOI: 10.1088/0953-2048/19/10/011.
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The gain bandwidth of a superconducting NbN hot-electron mixer was measured at local oscillator (LO) frequencies 2.5 THz, 0.6 THz and 0.3 THz and compared to presently known bolometric mixer models. At 2.5 THz variations of the bandwidth with the LO power rather agrees with the hot-spot mixer model than with any of the homogeneous bolometric models whereas an increase of the bandwidth at low LO frequencies plausibly evidences non-bolometric direct interaction of magnetic vortices with the radiation field.
|Title:||Evidence of non-bolometric mixing in the bandwidth of a hot-electron bolometer|
|Date:||11 September 2006|
|Journal or Publication Title:||Superconductor Science and Technology|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1051-1056|
|Publisher:||Institute of Physics Publishing|
|Keywords:||hot-electron bolometers, vortices, mixer bandwidth|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Projekt SOFIA (old)|
|Institutes and Institutions:||Institute of Planetary Research > Terahertz and Infrared Sensors|
|Deposited By:||Prof.Dr. Alexey Semenov|
|Deposited On:||23 Oct 2006|
|Last Modified:||27 Apr 2009 13:09|
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