Silicon-platelet feedhorns operate successfully at 350 GHz and 850 GHz with beam patterns and optical efficiencies matching simulations and comparable to direct-machined metal feedhorns.
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CCAT: Silicon-Platelet Feedhorns for Submillimeter Wavelengths
Silicon-platelet feedhorns operate successfully at 350 GHz and 850 GHz with beam patterns and optical efficiencies matching simulations and comparable to direct-machined metal feedhorns.