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A combination 95 GHz radar and 270/560 GHz spectrometer is being built as a space instrument prototype for probing plumes and jet phenomena in the solar system. Dubbed GAISR (Gas And Ice Spectrometer/Radar), the instrument's radar will make simultaneous range/Doppler measurements of 0.1–10 mm sized ice and dust particles out to a few km in range, while its tunable spectrometer will detect the abundance...
This contribution presents the design of a dual polarized leaky lens antenna coupled to a Kinetic Inductance Detector (KID) in order to enable a broadband THz detector for future space applications. The designed antenna presents high aperture efficiency and clean symmetric patterns.
In this paper we present the comparison in terms of acquisition speed between octave bandwidth radiometric imagers that are based either on antenna coupled or bolometer coupled direct detection instruments. The considered configurations are all characterized by dielectric lenses which can be coupled to bolometric focal planes, double slot feeds or leaky wave enhanced feeds. The acquisition speeds...
The performance of multibeam focal plane arrays feeding a single aperture is usually reduced due to conflicting requirements on the feed elements. Dense packing is usually required to minimize the beam separation, while typically large feed apertures are needed to provide the high feed directivity to reduce spillover losses from the reflector. In this paper the use of dielectric super-layers to shape...
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