27 July 2016 Performance of science grade HgCdTe H4RG-15 image sensors
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Abstract
We present the test results of science grade substrate-removed 4K×4K HgCdTe H4RG-15 NIR 1.7 μm and SWIR 2.5 μm sensor chip assemblies (SCAs). Teledyne’s 4K×4K, 15 μm pixel pitch infrared array, which was developed for the era of Extremely Large Telescopes, is first being used in new instrumentation on existing telescopes. We report the data on H4RG-15 arrays that have achieved science grade performance: very low dark current (<0.01 e-/pixel/sec), high quantum efficiency (70-90%), single CDS readout noise of 18 e-, operability >97%, total crosstalk <1.5%, well capacity >70 ke-, and power dissipation less than 4 mW. These SCAs are substrate-removed HgCdTe which simultaneously detect visible and infrared light, enabling spectrographs to use a single SCA for Visible-IR sensitivity. Larger focal plane arrays can be constructed by assembling mosaics of individual arrays.
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Majid Zandian, Mark Farris, William McLevige, Dennis Edwall, Erdem Arkun, Eric Holland, James E. Gunn, Stephen Smee, Donald N. B. Hall, Klaus W. Hodapp, Atsushi Shimono, Naoyuki Tamura, Micheal Carmody, John Auyeung, James W. Beletic, "Performance of science grade HgCdTe H4RG-15 image sensors", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99150F (27 July 2016); doi: 10.1117/12.2233664; https://doi.org/10.1117/12.2233664
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