Fig.3 | Scientific Reports

Fig.3

From: Study on improvement of the performance parameters of a novel 0.41–0.47 THz on-chip antenna based on metasurface concept realized on 50 μm GaAs-layer

Fig.3

(a) The terahertz antenna measurement system with the attached horn antenna on the receiver; and (b) RF absorber material seen as black spongy sheets were added to all surfaces in the antenna measurement system to reduce multipath reflections. The on-chip antenna was placed on a Cascade Microtech rigid microwave absorber and excited using the ground-signal-ground (GSG) radio frequency (RF) probe.

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