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Aperture efficiency of integrated‐circuit horn antennas
Author(s) -
Guo Yong,
Lee Karen,
Stimson Philip,
Potter Kent,
Rutledge David
Publication year - 1991
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.4650040104
Subject(s) - french horn , horn antenna , aperture (computer memory) , optics , materials science , power density , silicon , electrical engineering , optoelectronics , power (physics) , slot antenna , directional antenna , electronic engineering , engineering , antenna (radio) , physics , acoustics , quantum mechanics
We have improved the aperture efficiency of silicon integrated‐circuit horn antennas by optimizing the length of the dipole probes and by coating the entire horn walls with gold. To make these measurements, we developed a new thin‐film power‐density meter for measuring power density with accuracies better than 5%. The measured aperture efficiency improved from 44% to 72% at 93 GHz. This is sufficient for use in many applications which now use machined waveguide horns.