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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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Abstract

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.

Document Type:Article
Title:Evidence of non-bolometric mixing in the bandwidth of a hot-electron bolometer
Authors:
AuthorsInstitution or Email of Authors
Semenov, AlexeyUNSPECIFIED
Il'in, KonstantinInstitut für Mikro- und Nanoelektronische Systeme, Universität Karlsruhe
Siegel, MichaelInstitut für Mikro- und Nanoelektronische Systeme, Universität Karlsruhe
Smirnov, AndreyPhysical department, State Pedagogical University of Moscow, Russia
Pavlov, SergeyUNSPECIFIED
Richter, HeikoUNSPECIFIED
Hübers, Heinz-WilhelmUNSPECIFIED
Date:11 September 2006
Journal or Publication Title:Superconductor Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:19
DOI:10.1088/0953-2048/19/10/011
Page Range:pp. 1051-1056
Publisher:Institute of Physics Publishing
Status:Published
Keywords:hot-electron bolometers, vortices, mixer bandwidth
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
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)
Location: Berlin-Adlershof
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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