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This paper reports on the activities carried out by Airbus DS SAS, OMMIC SAS and ACST GmbH during the ESA study “Micro and Millimetre-Wave Detectors” A081ET03. Two European technologies for direct detection have been developed and detectors have been designed, manufactured and characterized up to 166GHz, with performances comparable to non-European devices.
Infrared (IR) detectors for the long-wave infrared range (LWIR) based on nanostructured thermocouples exhibit response times in the order of picoseconds and will open new areas of applications in THz broadband communication systems. We show experimental evidence for a nonzero relative Seebeck coefficient between the narrow and the wide wire segments of single-material thermocouples, and we investigate...
Semiconducting n-type GaAs nanowires are utilized in the fabrication of Schottky diodes for the design of THz detectors (rectifiers). Multiple nanowires placed in parallel are integrated with a wide-band log-periodic antenna to achieve improved impedance matching over a wide frequency range. A novel low-cost process using photolithography is used in the fabrication of sub-micron devices. Fabrication...
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