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Cryogenic detector preamplifer developments at the ANU
Author(s): Annino Vaccarella; Robert Sharp; Michael Ellis; Antonin Bouchez; Rodolphe Conan; R. Boz; David Bundy; Gaston Gausachs; James Gilbert; Luke Gers; John Hart; Nick Herrald; Michael Ireland; Jon Nielsen; Ian Price; Colin Vest; Henry Zovaro
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Paper Abstract

We present a summary of the cryogenic detector preamplifier development programme under way at the ANU. Cryogenic preamplifiers have been demonstrated for both near-infrared detectors (Teledyne H1RG and Leonardo SAPHIRA eAPD as part of development for the GMTIFS instrument) and optical CCDs (e2v CCD231-84 for use with the AAT/Veloce spectrograph). This approach to detector signal conditioning allows low-noise instrument amplifiers to be placed very close to an infra-red detector or optical CCD, isolating the readout path from external interference noise sources. Laboratory results demonstrate effective isolation of the readout path from external interference noise sources. Recent progress has focussed on the first on-sky deployment of four cryogenic preamp channels for the Veloce Rosso precision radial velocity spectrograph. We also outline future evolution of the current design, allowing higher speeds and further enhanced performance for the demanding applications required for the on instrument wavefront sensor on the Giant Magellan Integral Field Spectrograph (GMTIFS).

Paper Details

Date Published: 12 July 2018
PDF: 7 pages
Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 1070923 (12 July 2018); doi: 10.1117/12.2313023
Show Author Affiliations
Annino Vaccarella, The Australian National Univ., Mount Stromlo Observatory (Australia)
Robert Sharp, The Australian National Univ., Mount Stromlo Observatory (Australia)
Michael Ellis, The Australian National Univ., Mount Stromlo Observatory (Australia)
Antonin Bouchez, GMTO Corp. (United States)
Rodolphe Conan, GMTO Corp. (United States)
R. Boz, The Australian National Univ., Mount Stromlo Observatory (Australia)
David Bundy, The Australian National Univ., Mount Stromlo Observatory (Australia)
Gaston Gausachs, The Australian National Univ., Mount Stromlo Observatory (Australia)
James Gilbert, The Australian National Univ., Mount Stromlo Observatory (Australia)
Luke Gers, The Australian National Univ., Mount Stromlo Observatory (Australia)
John Hart, The Australian National Univ., Mount Stromlo Observatory (Australia)
Nick Herrald, The Australian National Univ., Mount Stromlo Observatory (Australia)
Michael Ireland, The Australian National Univ., Mount Stromlo Observatory (Australia)
Jon Nielsen, The Australian National Univ., Mount Stromlo Observatory (Australia)
Ian Price, The Australian National Univ., Mount Stromlo Observatory (Australia)
Colin Vest, The Australian National Univ., Mount Stromlo Observatory (Australia)
Henry Zovaro, The Australian National Univ., Mount Stromlo Observatory (Australia)


Published in SPIE Proceedings Vol. 10709:
High Energy, Optical, and Infrared Detectors for Astronomy VIII
Andrew D. Holland; James Beletic, Editor(s)

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