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Terahertz detection: approaches and trade-offs

Hübers, H.W. (2010) Terahertz detection: approaches and trade-offs. In: Tagungsband. 456. WE-Heraeus-Seminar, 18.-21. April 2010, Deutschland.

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Abstract

The development of faster and more sensitive detectors has been a major reason for the opening up of the THz spectral region. If only the amplitude of a THz wave is detected it is an incoherent or direct detector. When both the amplitude and phase are detected the detector is a coherent one. Coherent detection is not a direct process. In a heterodyne receiver, which is the most common coherent detector, detection is in two stages, with the incoming signal being 'mixed' with another signal, and it is the combination of both which is detected. In this lecture an overview will be presented about those incoherent and coherent detectors, which are used in many laboratories as weil as in space missions and other applications. The physics of the detection mechanism and major applications as weil as potential improvements will be presented. Finally, the trade-off between incoherent and coherent detection will be discussed.

Document Type:Conference or Workshop Item (Speech)
Title:Terahertz detection: approaches and trade-offs
Authors:
AuthorsInstitution or Email of Authors
Hübers, H.W.heinz-wilhelm.huebers@dlr.de
Date:April 2010
Journal or Publication Title:Tagungsband
Status:Published
Keywords:Terahertz detection: approaches and trade-offs, sensitive detectors, THz spectral region, THz wave, coherent detection
Event Title:456. WE-Heraeus-Seminar
Event Location:Deutschland
Event Type:international Conference
Event Dates:18.-21. April 2010
Organizer:Wilhelm und Else Heraeus Stiftung
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)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Ulrike Stiebeler
Deposited On:03 Jan 2011 21:50
Last Modified:13 Jan 2011 11:18

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