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We present the results of development of a 3-mm wavelength video imaging system. The external EM radiation is detected with an 8 × 8 detector array illuminated by an aspheric lens, which forms an image, and a digital control unit. Some measured characteristics of the array elements (antenna element patterns, sensitivity, etc.), optical characteristics of the imaging system (point spread function,...
The effect of active layer homogeneous doping in a low-barrier metal-semiconductor contact with near-surface delta-doping on current and capacitance characteristics have been investigated. Difference in characteristics of diodes with Mott and Schottky contacts develops with increasing doping, which results in partial active layer depletion. For really important thickness of an active layer in microwave...
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