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Sub-terahertz response of stressed and unstressed Ge:Ga photoconductive detectors

Hübers, H.-W. and Pavlov, S.G. and Holldack, K. and Kuske, P. and Schade, U. and Wüstefeld, G. (2004) Sub-terahertz response of stressed and unstressed Ge:Ga photoconductive detectors. In: 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics, pp. 339-340. IEEE Press. Int. Conference on Infrared and Millimeter Waves and Terahertz Electronics 2004, Karlsruhe, 28.9.-1.10.2004. ISBN 0-7803-8490-3

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Abstract

Ge:Ga is a widely used detector material for applications at terahertz frequencies. Its response ranges from about 40 µm - 120 µm. If a compressive force is applied to the crystal the response shifts to about 100 µm - 240 µm. We report on a long wavelength, sub-terahertz response > 300 µm. This response can be attributed to transitions from excited Ga states into the valence band. The results indicated that a cascade type of relaxation exists in Ge:Ga at 4.5 K.

Item URL in elib:https://elib.dlr.de/11094/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Sub-terahertz response of stressed and unstressed Ge:Ga photoconductive detectors
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hübers, H.-W.UNSPECIFIEDUNSPECIFIED
Pavlov, S.G.UNSPECIFIEDUNSPECIFIED
Holldack, K.Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung mbH, Berlin/GermanyUNSPECIFIED
Kuske, P.Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung mbH, Berlin/GermanyUNSPECIFIED
Schade, U.Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung mbH, Berlin/GermanyUNSPECIFIED
Wüstefeld, G.Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung mbH, Berlin/GermanyUNSPECIFIED
Date:2004
Journal or Publication Title:2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 339-340
Publisher:IEEE Press
ISBN:0-7803-8490-3
Status:Published
Keywords:Terahertz, Ferninfrarot, Germanium, Detektor, Photoleitfähigkeit, Ge:Ga
Event Title:Int. Conference on Infrared and Millimeter Waves and Terahertz Electronics 2004, Karlsruhe, 28.9.-1.10.2004
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 16:49

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