23 July 2014 A multifeed S-band cryogenic receiver for the Sardinia Radio Telescope primary focus
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Abstract
The noise temperature of existing radio telescope receivers has actually achieved very low values. In any case, there are other practical ways to increase the observational speed of a single dish antennas without using longer integration time: observe with multi-beam and large bandwidth receiver. In this paper we present the front end and the cryogenic dewar design of the 5 beams FPA double linear polarization receiver for the primary focus of the 64 m Sardinia Radio Telescope.
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G. Valente, G. Valente, G. Serra, G. Serra, F. Gaudiomonte, F. Gaudiomonte, A. Ladu, A. Ladu, T. Pisanu, T. Pisanu, P. Marongiu, P. Marongiu, A. Corongiu, A. Corongiu, A. Melis, A. Melis, M. Buttu, M. Buttu, D. Perrodin, D. Perrodin, G. Montisci, G. Montisci, Gi. Mazzarella, Gi. Mazzarella, E. Egron, E. Egron, N. Iacolina, N. Iacolina, C. Tiburzi, C. Tiburzi, V. Vacca, V. Vacca, "A multifeed S-band cryogenic receiver for the Sardinia Radio Telescope primary focus", Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91530Q (23 July 2014); doi: 10.1117/12.2056557; https://doi.org/10.1117/12.2056557
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