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Fast terahertz imaging with a quantum-cascade laser and a scanning mirror

Rothbart, Nick and Richter, Heiko and Wienold, Martin and Schrottke, L. and Giehler, M. and Hey, R. and Grahn, H.T. and Hübers, Heinz-Wilhelm (2012) Fast terahertz imaging with a quantum-cascade laser and a scanning mirror. 5. Jahrestreffen des Deutschen Terahertzzentrums e.V., 27.-28. Feb. 2012, Frankfurt am Main, Deutschland.

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Abstract

A terahertz imaging system based on a quantum-cascade laser (QCL), a fast scanning mirror, and a sensitive Ge:Ga detector is demonstrated. Transmission images are obtained by scanning the beam of the QCL across an object. Images with a diameter of approximately 45 mm and a signal-to-noise ratio of approximately 25 dB were obtained within 1.1 s. The system was also used to obtain three dimensional images by computed tomography.

Item URL in elib:https://elib.dlr.de/78020/
Document Type:Conference or Workshop Item (Poster)
Title:Fast terahertz imaging with a quantum-cascade laser and a scanning mirror
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rothbart, Nicknick.rothbart (at) dlr.deUNSPECIFIED
Richter, Heikoheiko.richter (at) dlr.deUNSPECIFIED
Wienold, MartinPDIUNSPECIFIED
Schrottke, L.PDIUNSPECIFIED
Giehler, M.PDIUNSPECIFIED
Hey, R.PDIUNSPECIFIED
Grahn, H.T.PDIUNSPECIFIED
Hübers, Heinz-Wilhelmheinz-wilhelm.huebers (at) dlr.deUNSPECIFIED
Date:28 February 2012
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Terahertz, imaging, quantum-cascade laser, scanning mirror, computed tomography
Event Title:5. Jahrestreffen des Deutschen Terahertzzentrums e.V.
Event Location:Frankfurt am Main, Deutschland
Event Type:national Conference
Event Dates:27.-28. Feb. 2012
Organizer:Deutsches Terahertzzentrum e.V.
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 - Projekt FAMOUS 2 (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Experimentelle Planetenphysik
Deposited By: Rothbart, Nick
Deposited On:29 Oct 2012 10:38
Last Modified:29 Oct 2012 10:38

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