Princeton University has found a way to determine the direction to an object in three dimensions using only on-chip THz antennas with ~2°accuracy. It exploits frequency-dispersive leaky-wave antennas – end-fed strips, 1.7mm long, with transverse slots spaced at 43μm intervals. The crucial property of these, is that injecting a frequency between 360 and 400GHz into ...
This story continues at ISSCC 2021: THz chip spots objects in three dimensions
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