Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7735e.228d&link_type=abstract
Ground-based and Airborne Instrumentation for Astronomy III. Edited by McLean, Ian S.; Ramsay, Suzanne K.; Takami, Hideki. Pro
Astronomy and Astrophysics
Astronomy
Scientific paper
We report on the detector testing status for the Robert Stobie Spectrograph's near-infrared arm. The instrument utilizes a Teledyne HAWAII-2RG HgCdTe detector array with a 1.7 μm cutoff wavelength. We have selected an operating temperature of 120 K. The characterization effort will take place in our detector-testing laboratory at the University of Wisconsin-Madison. The laboratory is equipped with a test dewar, vacuum system, temperature controller, monochromator, and warm detector test enclosure. We will measure detector performance characteristics such as readout noise, gain, dark current, linearity, quantum efficiency, and persistence, and develop calibration strategies. Persistence could have a substantial impact on the spectrograph's science data, and therefore, the development of mitigation techniques for this effect will be emphasized.
Doering Ryan L.
Jaehnig Kurt P.
Sheinis Andrew I.
Smith Michael P.
Thielman Donald J.
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