The mm and sub-mm wave planar antenna arrays for SIS detectors

Astronomy and Astrophysics – Astronomy

Scientific paper

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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.

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