Terahertz imaging with GaAs field-effect transistors
A. Lisauskas, W. von Spiegel, Stephane Boubanga Tombet, Abdelouahad El Fatimy, Dominique Coquillat, Frederic Teppe, Nina Diakonova, Wojciech Knap and H. G. Roskos
Imaging at 0.6 THz is tested with a commercial GaAs high-electron-mobility transistor (HEMT) operated at room temperature. The results allow the assessment of the potential of future antenna-fitted HEMT arrays for real-time imaging.