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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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)  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 . 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|
|Journal or Publication Title:||Tagungsband|
|Page Range:||p. 23|
|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|
|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)|
|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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