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Field transients of coherent terahertz synchrotron radiation accessed via time-resolving and correlation techniques

Pohl, Andreas and Semenov, Alexey and Hübers, Heinz-Wilhelm and Hoehl, Arne and Ries, Markus and Wüstefeld, Godehard and Ulm, Gerhard and Ilin, Konstantin and Thoma, Petra and Siegel, Michael (2016) Field transients of coherent terahertz synchrotron radiation accessed via time-resolving and correlation techniques. Journal of Applied Physics, 119 (11), p. 114903. American Institute of Physics (AIP). DOI: 10.1063/1.4943779 ISSN 0021-8979

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Official URL: http://scitation.aip.org/content/aip/journal/jap/119/11/10.1063/1.4943779


Decaying oscillations of the electric field in repetitive pulses of coherent synchrotron radiation in the terahertz frequency range was evaluated by means of time-resolving and correlation techniques. Comparative analysis of real-time voltage transients of the electrical response and interferograms, which were obtained with an ultrafast zero-bias Schottky diode detector and a Martin-Puplett inter- ferometer, delivers close values of the pulse duration. Consistent results were obtained via the cor- relation technique with a pair of Golay Cell detectors and a pair of resonant polarisation-sensitive superconducting detectors integrated on one chip. The duration of terahertz synchrotron pulses does not closely correlate with the duration of single-cycle electric field expected for the varying size of electron bunches. We largely attribute the difference to the charge density oscillations in electron bunches and to the low-frequency spectral cut-off imposed by both the synchrotron beam- line and the coupling optics of our detectors.

Item URL in elib:https://elib.dlr.de/105697/
Document Type:Article
Title:Field transients of coherent terahertz synchrotron radiation accessed via time-resolving and correlation techniques
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pohl, AndreasA.Pohl (at) dlr.deUNSPECIFIED
Semenov, Alexeyalexei.semenov (at) dlr.deUNSPECIFIED
Hübers, Heinz-WilhelmHeinz-Wilhelm.Huebers (at) dlr.deUNSPECIFIED
Hoehl, Arnearne.hoehl (at) ptb.deUNSPECIFIED
Ries, Markusmarkus.ries (at) helmholtz-berlin.deUNSPECIFIED
Wüstefeld, Godehardgodehard.wuestefeld (at) helmholtz-berlin.deUNSPECIFIED
Ulm, Gerhardgerhard.ulm (at) ptb.deUNSPECIFIED
Ilin, Konstantinkonstantin.ilin (at) kit.eduUNSPECIFIED
Siegel, MichaelInstitut für Mikro- und Nanoelektronische Systeme, Universität KarlsruheUNSPECIFIED
Date:17 March 2016
Journal or Publication Title:Journal of Applied Physics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1063/1.4943779
Page Range:p. 114903
Publisher:American Institute of Physics (AIP)
Keywords:THz, YBCO, field transients, Synchrotron, time-resolving, correlation, techniques
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Optimode.net (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems
Deposited By: Pohl, Andreas
Deposited On:12 Aug 2016 11:30
Last Modified:18 Dec 2019 04:19

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