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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: |
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| 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 | ||||||||||||
| 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) | ||||||||||||
| 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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