27 July 2016 Persistence characterization and data calibration scheme for the RSS-NIR H2RG detector on SALT
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Abstract
The University of Wisconsin Madison is building a NIR spectrograph (RSS-NIR) for the Southern African Large Telescope. The detector system uses a H2RG HdCdTe 1.7 μm cutoff array. We performed tests to measure and characterize the persistence of the detector to inform strategies to mitigate this effect. These tests use up-the- ramp group samples to get finer time resolution of the release of persistence. We share these test results. We also present preliminary results of the dependence of persistence on detector temperature. We conclude with an outline and assessment of a persistence calibration scheme.
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Gregory Mosby, Nathan Eggen, Marsha Wolf, Kurt Jaehnig, Ralf Kotulla, "Persistence characterization and data calibration scheme for the RSS-NIR H2RG detector on SALT", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99152U (27 July 2016); doi: 10.1117/12.2233227; https://doi.org/10.1117/12.2233227
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