Uncooled Detectors Challenges for THz/sub-THz Arrays Imaging

Some problems and challenges for applications of uncooled or slightly cooled detectors (not deeper than to 77 K) for sub-THz and THz (terahertz) arrays are briefly discussed. The possibilities to involve detectors based on plasmon resonance FETs (field effect transistors) and those based on warm ele...

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Bibliographic Details
Published in:Journal of infrared, millimeter and terahertz waves millimeter and terahertz waves, 2011-10, Vol.32 (10), p.1192-1206
Main Authors: Sizov, Fiodor F., Reva, Vladimir P., Golenkov, Alexandr G., Zabudsky, Vyacheslav V.
Format: Article
Language:English
Subjects:
Arrays
Bolometers
Broadband
Classical Electrodynamics
Detectors
Electrical Engineering
Electronics and Microelectronics
Engineering
Field effect transistors
Infrared
Instrumentation
Large format
Optimization
Plasmons
Semiconductor devices
Semiconductors
Sensors
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Summary:Some problems and challenges for applications of uncooled or slightly cooled detectors (not deeper than to 77 K) for sub-THz and THz (terahertz) arrays are briefly discussed. The possibilities to involve detectors based on plasmon resonance FETs (field effect transistors) and those based on warm electron effect narrow-gap semiconductor bolometers are speculated, as they seem to be promising for using in large format broadband arrays of low-cost systems, though they are still in the stage of research and optimization.
ISSN:1866-6892
1866-6906
DOI:10.1007/s10762-011-9789-2