Candidate 10 micron HgCdTe arrays for the NEOCam space mission

Craig W. McMurtry; Meghan Dorn; Mario S. Cabrera; Judith L. Pipher; William J. Forrest; Amy K. Mainzer; Andre Wong

doi:10.1117/12.2233537

1 August 2016 Candidate 10 micron HgCdTe arrays for the NEOCam space mission

Craig W. McMurtry, Meghan Dorn, Mario S. Cabrera, Judith L. Pipher, William J. Forrest, Amy K. Mainzer, Andre Wong

Proceedings Volume 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII; 99150D (2016) https://doi.org/10.1117/12.2233537
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The Near Earth Object Camera (NEOCam, Mainzer et al. 2015) is one of five NASA Discovery Class mission experiments selected for Phase A: down-select to one or two experiments will take place late in 2016. NEOCam will survey the sky in search of asteroids and comets, particularly those close to the Earth’s orbit. The NEOCam infrared telescope will have two infrared (IR) channels; one covering 4 to 5 microns, and one covering 6-10 microns. Both IR cameras will use multiple 2Kx2K pixel format HAWAII-2RG arrays with different cutoff wavelength HgCdTe detectors from Teledyne Imaging Sensors. Past development work by the University of Rochester with Teledyne Imaging Sensors and JPL (McMurtry et al. 2013, Dorn et al. 2016) focused upon bringing the 10 micron HgCdTe detector technology up to NASA TRL 6+. This work extends that development program to push the format from 1Kx1K to the larger 2Kx2K pixel array. We present results on the first 2Kx2K candidate 10 micron cutoff HgCdTe arrays, where we measured the dark current, read noise, and total noise.

Citation Download Citation

Craig W. McMurtry, Meghan Dorn, Mario S. Cabrera, Judith L. Pipher, William J. Forrest, Amy K. Mainzer, and Andre Wong "Candidate 10 micron HgCdTe arrays for the NEOCam space mission", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99150D (1 August 2016); https://doi.org/10.1117/12.2233537

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