Cryogenic detector preamplifer developments at the ANU | Zendy

Annino Vaccarella | Zendy; R. Sharp | Zendy; James Gilbert | Zendy; Michael Ellis | Zendy; Antonin H. Bouchez | Zendy; Rodolphe Conan | Zendy; Robert Boz | Zendy; David G. Bundy | Zendy; Gaston Gausachs | Zendy; Luke Gers | Zendy; John Hart | Zendy; Nick Herrald | Zendy; Michael Ireland | Zendy; Jon Nielsen | Zendy; Ian Price | Zendy; Colin Vest | Zendy; Henry R. M. Zovaro | Zendy

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Cryogenic detector preamplifer developments at the ANU

Author(s) -

Annino Vaccarella,

R. Sharp,

James Gilbert,

Michael Ellis,

Antonin H. Bouchez,

Rodolphe Conan,

Robert Boz,

David G. Bundy,

Gaston Gausachs,

Luke Gers,

John Hart,

Nick Herrald,

Michael Ireland,

Jon Nielsen,

Ian Price,

Colin Vest,

Henry R. M. Zovaro

Publication year - 2018

Publication title -

anu open research (australian national university)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1117/12.2313023

Subject(s) - preamplifier , detector , spectrograph , physics , optics , noise (video) , interference (communication) , amplifier , wavefront , optoelectronics , electrical engineering , astronomy , computer science , engineering , artificial intelligence , image (mathematics) , spectral line , channel (broadcasting) , cmos

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).

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