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Terahertz performance of quasioptical front-ends with a hot-electron bolometer

Semenov, Alexey and Richter, Heiko and Günther, Burghardt and Hübers, Heinz-Wilhelm and Karamarkovic, Jugoslav (2005) Terahertz performance of quasioptical front-ends with a hot-electron bolometer. In: Journal of Physics: Conference Series, 43, pp. 1294-1297. IOP Publishing Ltd. EUCAS'05, The 7th European Conference on Applied Superconductivity, 2005-09-11 - 2005-09-15, Vienna (Austria).

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Official URL: http://www.iop.org/EJ/abstract/1742-6596/43/1/316

Abstract

We present terahertz performance of quasioptical front-ends consisting of a hot-electron bolometer imbedded in a planar feed antenna and integrated with an immersion lens. The impedance and radiation pattern of the log-spiral and double-slot planar feeds are evaluated using the method of moments; the collimating action of the lens is modelled using the physical optics. The total efficiency of the front-ends is computed taking into account frequency dependent impedance of the bolometer. Measured performance of the front-ends qualifies the simulation technique as a reliable tool for the design of terahertz receivers.

Document Type:Conference or Workshop Item (Poster)
Title:Terahertz performance of quasioptical front-ends with a hot-electron bolometer
Authors:
AuthorsInstitution or Email of Authors
Semenov, AlexeyUNSPECIFIED
Richter, HeikoUNSPECIFIED
Günther, BurghardtUNSPECIFIED
Hübers, Heinz-WilhelmUNSPECIFIED
Karamarkovic, JugoslavUniversity of Nis, Serbia and Montenegro
Date:2005
Journal or Publication Title:Journal of Physics: Conference Series
Refereed publication:Yes
In ISI Web of Science:No
Volume:43
Page Range:pp. 1294-1297
Publisher:IOP Publishing Ltd
Status:Published
Keywords:Terahertz integrated antennas, hot-electron bolometer, spectral sensitivity
Event Title:EUCAS'05, The 7th European Conference on Applied Superconductivity
Event Location:Vienna (Austria)
Event Type:international Conference
Event Dates:2005-09-11 - 2005-09-15
Organizer:Vienna University of Technology
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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