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High-speed YBCO detectors for resolving picosecond THz pulses

Probst, P. and Scheuring, A. and Hofherr, M. and Stockhausen, A. and Rall, D. and Wünsch, S. and Ilin, Konstantin and Semenov, A. D. and Hübers, H.-W. and Judin, V. and Müller, A.-S. and Hänisch, J. and Holzapfel, B. and Siegel, M. (2010) High-speed YBCO detectors for resolving picosecond THz pulses. In: Tagungsband, p. 23. DLR. Kryo 2010, 03.-05.10.2010, Zeuthen, Brandenburg.

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Abstract

Superconducting hot-electron bolometer (HEB) detectors are used as fast and sensitive THz detectors. Depending on the superconductor used for the detector development the bolometer can be adjusted in terms of sensitivity and speed. The hightemperature superconductor YBa2Cu3O7- (YBCO) is a very promising candidate for the fabrication of ultra-fast etectors. Due to strong coupling between electrons and phonons in this material resulting in a very fast electron-phonon interaction time (~ 1-2 ps) [1] YBCO detectors are supposed to be able to resolve picosecond THz pulses. This is of high concern for the analysis of synchrotron THz pulses with pulse lengths in the picosecond regime [2]. We will show the fabrication and characterisation of YBCO THz detectors deposited on sapphire substrate. First measurements of synchrotron THz pulses will be presented and discussed.

Document Type:Conference or Workshop Item (Speech)
Title:High-speed YBCO detectors for resolving picosecond THz pulses
Authors:
AuthorsInstitution or Email of Authors
Probst, P.Institut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Scheuring, A.Institut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Hofherr, M.Institut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Stockhausen, A.Institut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Rall, D.Institut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Wünsch, S.Institut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Ilin, KonstantinInstitut für Mikro- und Nanoelektronische Systeme, Hertzstr. 16, 76187 Karlsruhe
Semenov, A. D.Alexei.Semenov@dlr.de
Hübers, H.-W.Heinz-Wilhelm.Huebers@dlr.de
Judin, V.Laboratorium für Applikationen der Synchrotronstrahlung, Engesser Straße 15, 76131 Karlsruhe
Müller, A.-S.Laboratorium für Applikationen der Synchrotronstrahlung, Engesser Straße 15, 76131 Karlsruhe
Hänisch, J.Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden, Helmholtzstraße 20, 01069 Dresden
Holzapfel, B.Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden, Helmholtzstraße 20, 01069 Dresden
Siegel, M.Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden, Helmholtzstraße 20, 01069 Dresden
Date:October 2010
Journal or Publication Title:Tagungsband
Page Range:p. 23
Publisher:DLR
Status:Published
Keywords:High-speed YBCO detectors for resolving picosecond THz pulses, hot-electron bolometer, HEB, sensitive THz detectors, hightemperature superconductor
Event Title:Kryo 2010
Event Location:Zeuthen, Brandenburg
Event Type:national Conference
Event Dates:03.-05.10.2010
Organizer:DLR, Prof. Hübers
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Transport
HGF - Program Themes:Traffic Management
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - FAMOUS (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Ulrike Stiebeler
Deposited On:03 Jan 2011 21:57
Last Modified:03 Jan 2011 21:57

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