Performance of the first HAWAII 4RG-15 arrays in the laboratory and at the telescope

Donald N. B. Hall; Dani Atkinson; James W. Beletic; Richard Blank; Mark Farris; Klaus W. Hodapp; Shane M. Jacobson; Markus Loose; Gerard Luppino

doi:10.1117/12.927226

25 September 2012 Performance of the first HAWAII 4RG-15 arrays in the laboratory and at the telescope

Donald N. B. Hall, Dani Atkinson, James W. Beletic, Richard Blank, Mark Farris, Klaus W. Hodapp, Shane M. Jacobson, Markus Loose, Gerard Luppino

Author Affiliations +

Proceedings Volume 8453, High Energy, Optical, and Infrared Detectors for Astronomy V; 84530W (2012) https://doi.org/10.1117/12.927226
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

The primary goal of the HAWAII 4RG-15 (H4RG-15) development is to provide a 16 megapixel 4096x4096 format at significantly reduced price per pixel while maintaining the superb low background performance of the HAWAII 2RG (H2RG). The H4RG-15 design incorporates several new features, notably clocked reference output and interleaved reference pixel readout, that promise to significantly improve noise performance while the reduction in pixel pitch from 18 to 15 microns should improve transimpedance gain although at the expense of some degradation in full well and crosstalk. During the Phase-1 development, Teledyne has produced and screen tested six hybrid arrays. In preparation for Phase-2, the most promising of these are being extensively characterized in the University of Hawaii’s (UH) ULBCam test facility originally developed for the JWST H2RG program. The end-to-end performance of the most promising array has been directly established through astronomical imaging observations at the UH 88-inch telescope on Mauna Kea. We report the performance of these Phase-1 H4RG-15s within the context of established H2RG performance for key parameters (primarily CDS read noise), also highlighting the improvements from the new readout modes.

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Donald N. B. Hall, Dani Atkinson, James W. Beletic, Richard Blank, Mark Farris, Klaus W. Hodapp, Shane M. Jacobson, Markus Loose, and Gerard Luppino "Performance of the first HAWAII 4RG-15 arrays in the laboratory and at the telescope", Proc. SPIE 8453, High Energy, Optical, and Infrared Detectors for Astronomy V, 84530W (25 September 2012); https://doi.org/10.1117/12.927226

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