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YBa_2Cu_3O_(7−/delta) quasioptical detectors for fast time-domain analysis of terahertz synchrotron radiation

Probst, Petra and Scheuring, Alexander and Hofherr, Mattias and Rall, Dagmar and Wünsch, Stefan and Siegel, Michael and Semenov, Alexei and Pohl, Andreas and Hübers, Heinz-Wilhelm and Judin, Vitaly and Müller, Anke-Süsanne and Hoel, Arne and Müller, Ralph and Ulm, Gerhardt (2011) YBa_2Cu_3O_(7−/delta) quasioptical detectors for fast time-domain analysis of terahertz synchrotron radiation. Applied Physics Letters, 98, 043504. American Institute of Physics. DOI: 10.1063/1.3546173.

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Abstract

Thin YBCO film detectors embedded into a log-spiral planar antenna were implemented for the detection and analysis of ultrashort terahertz pulses emitted by electron bunches in a synchrotron storage ring. In the direct detection mode terahertz radiation pulses from single electron bunches were resolved. A response time of 45 ps was determined as the full width at half maximum of the voltage transient at the output of the detection system. The sensitivity of the YBCO detector to pulsed terahertz radiation was 70 mV/pJ along with a sensitivity of 30 V/W for continuous radiation at 0.8 THz and a very broad dynamic range of over 30 dB. We found experimental evidences of a nonbolometric nature of the detection mechanism.

Document Type:Article
Title:YBa_2Cu_3O_(7−/delta) quasioptical detectors for fast time-domain analysis of terahertz synchrotron radiation
Authors:
AuthorsInstitution or Email of Authors
Probst, PetraIMS KIT, Karlsruhe
Scheuring, AlexanderIMS KIT, Karlsruhe
Hofherr, MattiasIMS KIT, Karlsruhe
Rall, DagmarIMS KIT, Karlsruhe
Wünsch, StefanIMS KIT, Karlsruhe
Siegel, MichaelIMS KIT, Karlsruhe
Semenov, Alexeialexei.semenov@dlr.de
Pohl, AndreasTU Berlin
Hübers, Heinz-WilhelmHeinz-wilhelm.huebers@dlr.de; TU Berlin
Judin, VitalyANKA KIT Karlsruhe
Müller, Anke-SüsanneANKA KIT Karlsruhe
Hoel, ArneMLS PTB Berlin
Müller, RalphMLS PTB Berlin
Ulm, GerhardtMLS PTB Berlin
Date:January 2011
Journal or Publication Title:Applied Physics Letters
Refereed publication:Yes
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:98
DOI:10.1063/1.3546173
Page Range:043504
Publisher:American Institute of Physics
Status:Published
Keywords:YBCO thin films, Terahertz detectors, Synchrotron radiation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Verkehrs- und Mobilitätsmanagement (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Prof.Dr. Alexey Semenov
Deposited On:29 Jun 2011 13:36
Last Modified:04 Apr 2013 16:29

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