Noun
Cassegrain (plural Cassegrains)
Short for Cassegrain reflector.
A beam waveguide antenna, a type of Cassegrain design, showing the complicated signal path. Source: Internet
Beam waveguide antenna A beam waveguide antenna is a type of complicated Cassegrain antenna with a long radio wave path to allow the feed electronics to be located at ground level. Source: Internet
However, in offset Cassegrain configurations, the primary dish reflector is asymmetric, and its focus, and the secondary reflector, are located to one side of the dish, so that the secondary reflector does not partially obstruct the beam. Source: Internet
Ultraviolet Spectrometer / Extreme Ultraviolet Spectrometer (UVS/EUV) Ultraviolet Spectrometer The Cassegrain telescope of the UVS had a 250 mm aperture and collected light from the observation target. Source: Internet