The SPICA-SAFARI TES bolometer readout: Developments towards a flight system
作者： J. van der Kuur , J. Beyer , M. Bruijn , J. R. Gao , R. den Hartog
DOI: 10.1007/S10909-012-0521-Y
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摘要: SAFARI is an imaging Fourier Transform Spectrometer for 35–200 ?m under development flight on the Japanese IR-satellite SPICA (2018). The 3.25 m diameter actively cooled telescope (<6K) will provide a sky background limited signal, which implies that detectors need to have NEP of 3.5?10 ?19 W/Hz ? in order not be limiting sensitivity. instrument utilize three TES-based detector arrays, covering 2×2 arcmin field-of-view octaves wave length. This contribution present overview sub-system, i.e.: arrays and radiation coupling, focal plane assembly, amplification chain frequency-domain- multiplexed electronics. focus implications system design readout stringent power dissipation, heat load, weight limitations
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