Development of sensitive long-wave infrared detector arrays for passively cooled space missions

Craig McMurtry; Donald L. Lee; James Beletic; Chi-Yi A. Chen; Richard T. Demers; Meghan Dorn; Dennis D. Edwall; Candice M. Fazar; William J. Forrest; Fengchuan Liu; Amanda K. Mainzer; Judith L. Pipher; Aristo Yulius

doi:10.1117/1.OE.52.9.091804

29 April 2013 Development of sensitive long-wave infrared detector arrays for passively cooled space missions

Craig McMurtry, Donald L. Lee, James Beletic, Chi-Yi A. Chen, Richard T. Demers, Meghan Dorn, Dennis D. Edwall, Candice M. Fazar, William J. Forrest, Fengchuan Liu, Amanda K. Mainzer, Judith L. Pipher, Aristo Yulius

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Optical Engineering, Vol. 52, Issue 9, 091804 (April 2013). https://doi.org/10.1117/1.OE.52.9.091804

Abstract

The near-earth object camera (NEOCam) is a proposed infrared space mission designed to discover and characterize most of the potentially hazardous asteroids larger than 140 m in diameter that orbit near the Earth. NASA has funded technology development for NEOCam, including the development of long wavelength infrared detector arrays that will have excellent zodiacal background emission-limited performance at passively cooled focal plane temperatures. Teledyne Imaging Sensors has developed and delivered for test at the University of Rochester the first set of approximately 10 μm cutoff, 1024×1024 pixel HgCdTe detector arrays. Measurements of these arrays show the development to be extremely promising: noise, dark current, quantum efficiency, and well depth goals have been met by this technology at focal plane temperatures of 35 to 40 K, readily attainable with passive cooling. The next set of arrays to be developed will address changes suggested by the first set of deliverables.

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Craig McMurtry, Donald L. Lee, James Beletic, Chi-Yi A. Chen, Richard T. Demers, Meghan Dorn, Dennis D. Edwall, Candice M. Fazar, William J. Forrest, Fengchuan Liu, Amanda K. Mainzer, Judith L. Pipher, and Aristo Yulius "Development of sensitive long-wave infrared detector arrays for passively cooled space missions," Optical Engineering 52(9), 091804 (29 April 2013). https://doi.org/10.1117/1.OE.52.9.091804

Published: 29 April 2013

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