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Recent results on THz detection by FETs are reported. THz Imaging with FET and detection in quantizing magnetic field. Results of THz Imaging show that FETs arrays are good candidate for real time imaging. In magnetic field we report an enhancement of signal at the cyclotron resonance condition.
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.
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