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Intermediate Frequency Bandwidth of a Hot-Electron Mixer: Comparison with Bolometric Models

Semenov, Alexei and Richter, Heiko and Pavlov, Sergey and Hübers, Heinz-Wilhelm and Il'in, Konstantin and Siegel, Michael and Smirnov, Andrey (2007) Intermediate Frequency Bandwidth of a Hot-Electron Mixer: Comparison with Bolometric Models. In: Proceedings of the 17th ISSTT, 17, pp. 73-76. L'Observatoire de Paris, LERMA. 17th International Symposium on Space Terahertz Technology, 2006-05-10 - 2006-05-12, Paris (Frankreich).

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Official URL: http://www.space.thz.org

Abstract

The gain bandwidth of a superconducting NbN hot-electron mixer quasioptically coupled to radiation was evaluated in different operation conditions and compared to presently known bolometric mixer models. Heterodyne regime was obtained with a 2.5 THz quantum cascade laser as a local oscillator and alternating thermal loads and also by mixing radiation of the quantum cascade laser and a gas laser. The results rather agree with the hot-spot mixer model than with any of the homogeneous bolometric models.

Document Type:Conference or Workshop Item (Poster)
Title:Intermediate Frequency Bandwidth of a Hot-Electron Mixer: Comparison with Bolometric Models
Authors:
AuthorsInstitution or Email of Authors
Semenov, AlexeiUNSPECIFIED
Richter, HeikoUNSPECIFIED
Pavlov, SergeyUNSPECIFIED
Hübers, Heinz-WilhelmUNSPECIFIED
Il'in, KonstantinInstitut für Mikro- und Nanoelektronische Systeme, Universität Karlsruhe
Siegel, MichaelInstitut für Mikro- und Nanoelektronische Systeme, Universität Karlsruhe
Smirnov, AndreyState Pedagogical University, Moscow, Russia
Date:October 2007
Journal or Publication Title:Proceedings of the 17th ISSTT
Refereed publication:Yes
In ISI Web of Science:No
Volume:17
Page Range:pp. 73-76
Editors:
EditorsEmail
Maestrini, AlainUNSPECIFIED
Beaudin, GerardUNSPECIFIED
Publisher:L'Observatoire de Paris, LERMA
Series Name:International Symposium on Space Terahertz Technology (ISSTT)
Status:Published
Keywords:bolometers, gain measurements, superconducting devices, thin film devices
Event Title:17th International Symposium on Space Terahertz Technology
Event Location:Paris (Frankreich)
Event Type:international Conference
Event Dates:2006-05-10 - 2006-05-12
Organizer:Institut Oceanographique
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:16 Jan 2008
Last Modified:27 Apr 2009 13:09

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