Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..365v&link_type=abstract
In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 365-368 (SEE N91-21986 13-89)
Astronomy and Astrophysics
Astronomy
Arrays, Junction Diodes, Millimeter Waves, Sis (Semiconductors), Radiation Detectors, Reflector Antennas, Research And Development, Submillimeter Waves
Scientific paper
The design, construction and tests of planar antennas and arrays suitable for integration with SIS (superconducting tunnel junctions) in the sub mm wavelength regime are discussed. Two different types of planar antennas are investigated, both with and without the use of lenses. It is concluded that log periodic antennas are very wideband but suffer from irregular beam shapes and a large degree of cross polarization. The dipoles are more narrow band and have low cross polarization and regular, symmetric beam patterns.
de Graauw Thijs
Skalare Anders
van de Stadt Herman
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