The infrared detectors for the wide field camera 3 on HST

Massimo Robberto; Sylvia M. Baggett; B. Hilbert; John W. MacKenty; Randy A. Kimble; Robert J. Hill; David A. Cottingham; Greg Delo; Scott D. Johnson; Wayne Landsman; Eliot M. Malumuth; Elizabeth Polidan; Anne Marie Russell; Augustyn Waczynski; Edward Wassell; Yiting Wen; Allan Haas; John T. Montroy; Eric C. Piquette; Kadri Vural; Craig Cabelli; Donald N. B. Hall

doi:10.1117/12.551807

29 September 2004 The infrared detectors for the wide field camera 3 on HST

Massimo Robberto, Sylvia M. Baggett, B. Hilbert, John W. MacKenty, Randy A. Kimble, Robert J. Hill, David A. Cottingham, Greg Delo, Scott D. Johnson, Wayne Landsman, Eliot M. Malumuth, Elizabeth Polidan, Anne Marie Russell, Augustyn Waczynski, Edward Wassell, Yiting Wen, Allan Haas, John T. Montroy, Eric C. Piquette, Kadri Vural, Craig Cabelli, Donald N. B. Hall

Author Affiliations +

Proceedings Volume 5499, Optical and Infrared Detectors for Astronomy; (2004) https://doi.org/10.1117/12.551807
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

We present the performance of the IR detectors developed for the WFC3 project. These are HgCdTe 1Kx1K devices with cutoff wavelength at 1.7 μm and 150K operating temperature. The two selected flight parts, FPA#64 (prime) and FPA#59 (spare) show quantum efficiency higher than 80% at λ=1.6 μm and greater than 40% at λ>1.1μm, readout noise of ~25 e^- rms with double correlated sampling, and mean dark current of ~0.04 e/s/pix at 150K. We also report the results obtained at NASA GSFC/DCL on these and other similar devices in what concerns the QE long-term stability, intra-pixel response, and dark current variation following illumination or reset.

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Massimo Robberto, Sylvia M. Baggett, B. Hilbert, John W. MacKenty, Randy A. Kimble, Robert J. Hill, David A. Cottingham, Greg Delo, Scott D. Johnson, Wayne Landsman, Eliot M. Malumuth, Elizabeth Polidan, Anne Marie Russell, Augustyn Waczynski, Edward Wassell, Yiting Wen, Allan Haas, John T. Montroy, Eric C. Piquette, Kadri Vural, Craig Cabelli, and Donald N. B. Hall "The infrared detectors for the wide field camera 3 on HST", Proc. SPIE 5499, Optical and Infrared Detectors for Astronomy, (29 September 2004); https://doi.org/10.1117/12.551807

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