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Handbook of Terahertz Technology for Imaging, Sensing and Communications by D Saeedkia

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8

Terahertz array imagers: towards the implementation of terahertz cameras with plasma-wave-based silicon MOSFET detectors

S. Boppel, A. Lisauskas and H.G. Roskos,     Johann Wolfgang Goethe-Universität, Germany

Abstract:

This chapter deals with plasma-wave-based detection of THz radiation with metal–oxide–semiconductor field-effect transistors (MOSFETs). Building on the general presentation of the subject in Chapter 5, the focus is now on room-temperature detectors and focal-plane arrays in Si complementary metal oxide semiconductor (CMOS) technology. A review of the detection principle emphasizes the close relationship with resistive mixing at low radiation/signal frequencies, which develops into distributed resistive mixing above the transistors’ ...

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