Avalanche photo diodes in the observatory environment: lucky imaging at 1-2.5 microns

A. Vaccarella; R. Sharp; M. Ellis; S. Singh; G. Bloxham; A. Bouchez; R. Conan; R. Boz; D. Bundy; J. Davies; B. Espeland; J. Hart; N. Herrald; M. Ireland; G. Jacoby; J. Nielsen; C. Vest; P. Young; B. Fordham; A. Zovaro

doi:10.1117/12.2231557

9 August 2016 Avalanche photo diodes in the observatory environment: lucky imaging at 1-2.5 microns

A. Vaccarella, R. Sharp, M. Ellis, S. Singh, G. Bloxham, A. Bouchez, R. Conan, R. Boz, D. Bundy, J. Davies, B. Espeland, J. Hart, N. Herrald, M. Ireland, G. Jacoby, J. Nielsen, C. Vest, P. Young, B. Fordham, A. Zovaro

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99082X (2016) https://doi.org/10.1117/12.2231557
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The recent availability of large format near-infrared detectors with sub-election readout noise is revolutionizing our approach to wavefront sensing for adaptive optics. However, as with all near-infrared detector technologies, challenges exist in moving from the comfort of the laboratory test-bench into the harsh reality of the observatory environment. As part of the broader adaptive optics program for the GMT, we are developing a near-infrared Lucky Imaging camera for operational deployment at the ANU 2.3 m telescope at Siding Spring Observatory. The system provides an ideal test-bed for the rapidly evolving Selex/SAPHIRA eAPD technology while providing scientific imaging at angular resolution rivalling the Hubble Space Telescope at wavelengths λ = 1.3-2.5 μm.

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A. Vaccarella, R. Sharp, M. Ellis, S. Singh, G. Bloxham, A. Bouchez, R. Conan, R. Boz, D. Bundy, J. Davies, B. Espeland, J. Hart, N. Herrald, M. Ireland, G. Jacoby, J. Nielsen, C. Vest, P. Young, B. Fordham, and A. Zovaro "Avalanche photo diodes in the observatory environment: lucky imaging at 1-2.5 microns", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99082X (9 August 2016); https://doi.org/10.1117/12.2231557

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KEYWORDS

Sensors

Cryogenics

Avalanche photodetectors

Observatories

Telescopes

Space telescopes

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