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In order to investigate the origins of the Universe, it is necessary to carry out full sky surveys of the temperature and polarisation of the Cosmic Microwave Background (CMB) radiation, the remnant of the Big Bang. Missions such as COBE and Planck have previously mapped the CMB temperature, however in order to further constrain evolutionary and inflationary models, it is necessary to measure the...
This paper investigates the capabilities of additive manufacturing techniques for building RF antennas in the Ku-band frequency range. Two different compact medium to high-gain antennas, a ring-focus dual-reflector antenna and a spline-profiled smooth horn antenna, were designed, built and tested for this purpose. The antennas were manufactured using the latest 3D printing techniques, i.e. based on...
Bolometric integrating cavities have been used with great success in previous far-infrared space missions, and are planned for extensive use in future missions where ever increasing sensitivity is required. It is critical for the purposes of design and the interpretation of results that these systems are thoroughly understood and optically characterised fully. Such systems, for manufacturing and mechanical...
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