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Terahertz Heterodyn Receiver with a hot-electron bolometer mixer

Hübers, H.-W. and Semenov, A. and Richter, H. and Birk, Manfred and Krocka, Michail and Mair, Ulrich and Smirnov, K. and Gol'tsman, Gregory and Voronov, B. (2002) Terahertz Heterodyn Receiver with a hot-electron bolometer mixer. In: Proceedings FAR-IR, SUB-MM & MM Detector Technoloy Workshop, 211408, 3-24-. NASA. FAR-IR, SUB-MM & MM Detector Technology Workshop, Monterey, CA, 1-3 April 2002.

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Abstract

During the past decade major advances have been made regarding low noise mixers for terahertz (THz) heterodyne receivers. State of the art hot-electron-bolometer (HEB) mixers have noise temperatures close to the quantum limit and require less than a µW power from the local oscillator (LO). The technology is now at a point where the performance of a practical receiver employing such mixer, rather than the figures of merit of the mixer itself, are of major concern. We have incorporated a phonon-cooled NbN HEB mixer in a 2.5 THz heterodyne receiver and investigated the performance of the receiver. This yields important information for the development of heterodyne receivers such as GREAT (German receiver for astronomy at THz frequencies aboard SOFIA) [1] and TELIS (Terahertz limb sounder), a balloon borne heterodyne receiver for atmospheric research [2]. Both are currently under development at DLR.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Terahertz Heterodyn Receiver with a hot-electron bolometer mixer
Authors:
AuthorsInstitution or Email of Authors
Hübers, H.-W.UNSPECIFIED
Semenov, A.UNSPECIFIED
Richter, H.UNSPECIFIED
Birk, ManfredUNSPECIFIED
Krocka, MichailUNSPECIFIED
Mair, UlrichUNSPECIFIED
Smirnov, K.Physical Dept., State Pedagogical University, Moscow, Russia
Gol'tsman, GregoryPhysical Dept., State Pedagogical University, Moscow, Russia
Voronov, B.Physical Dept., State Pedagogical University, Moscow, Russia
Date:2002
Journal or Publication Title:Proceedings FAR-IR, SUB-MM & MM Detector Technoloy Workshop
Volume:211408
Page Range:3-24-
Editors:
EditorsEmail
Wolf, U.UNSPECIFIED
Farhoomand, J.UNSPECIFIED
McCreight, C.R.UNSPECIFIED
Publisher:NASA
Series Name:NASA CP
Status:Published
Keywords:Bolometer, Detektor, Supraleiter, Heterodyn, Ferninfrarot
Event Title:FAR-IR, SUB-MM & MM Detector Technology Workshop, Monterey, CA, 1-3 April 2002
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):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Remote Sensing Technology Institute
Institut für Weltraumsensorik und Planetenerkundung
Deposited By: Susanne Pieth
Deposited On:17 Feb 2006
Last Modified:14 Jan 2010 19:29

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