Performance of the first science grade λc=2.5µm HAWAII 4RG-15 array in the laboratory and at the telescope

Donald N. B. Hall; Dani Atkinson; Richard Blank; Mark Farris; Sean B. Goebel; Klaus W. Hodapp; Shane M. Jacobson; Markus Loose; Majid Zandian

doi:10.1117/12.2234369

1 August 2016 Performance of the first science grade λc=2.5μm HAWAII 4RG-15 array in the laboratory and at the telescope

Donald N. B. Hall, Dani Atkinson, Richard Blank, Mark Farris, Sean B. Goebel, Klaus W. Hodapp, Shane M. Jacobson, Markus Loose, Majid Zandian

Author Affiliations +

Proceedings Volume 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII; 99150W (2016) https://doi.org/10.1117/12.2234369
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

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 reduction in full well and possible increase in crosstalk. We report the results of very preliminary characterization of a science grade Phase 2 λc ~ 2.5 μm H4RG-15 operated in both conventional and Interleaved Reference Pixel (IRP) 32-output mode and have demonstrated that the CDS averaged read noise at 200 kHz pixel rate is comparable to, and possibly slightly below, that of the best Phase 1 H4RG-15s. We have also investigated the characteristics of pixels exhibiting RTN in the IRP frames.

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Donald N. B. Hall, Dani Atkinson, Richard Blank, Mark Farris, Sean B. Goebel, Klaus W. Hodapp, Shane M. Jacobson, Markus Loose, and Majid Zandian "Performance of the first science grade λc=2.5μm HAWAII 4RG-15 array in the laboratory and at the telescope", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99150W (1 August 2016); https://doi.org/10.1117/12.2234369

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