Noise in large-area CrlS Hg1-xCdxTe photovoltaic detectors

Arvind I. D'Souza; Maryn G. Stapelbroek; Stacy A. Masterjohn; Priyalal S. Wijewarnasuriya; Roger E. DeWames; David S. Smith; John C. Ehlert

doi:10.1117/12.453567

23 January 2003 Noise in large-area CrlS Hg_1-xCd_xTe photovoltaic detectors

Arvind I. D'Souza, Maryn G. Stapelbroek, Stacy A. Masterjohn, Priyalal S. Wijewarnasuriya, Roger E. DeWames, David S. Smith, John C. Ehlert

Author Affiliations +

Proceedings Volume 4820, Infrared Technology and Applications XXVIII; (2003) https://doi.org/10.1117/12.453567
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The National Polar-orbiting Operational Environmental Satellite System (NPOESS) Cross-track Infrared Sounder (CrIS) is a Fourier Transform interferometric sensor that measures earth radiances at high spectral resolution. Algorithms use the data to provide pressure, temperature, and moisture profiles of the atmosphere. The CrIS instrument contains photovoltaic detectors with spectral cut-offs denoted by SWIR, MWIR and LWIR. The CrIS instrument requires large-area, photovoltaic detectors with state-of-art detector performance at temperatures attainable with passive cooling. For example, detectors as large as 1 mm in diameter are required. To address these needs, Molecular Beam Epitaxy (MBE) is used to grow the appropriate bandgap n-type Hg_1-xCd_xTe on lattice matched CdZnTe. The p-side is obtained via arsenic implantation followed by appropriate annealing steps.

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Arvind I. D'Souza, Maryn G. Stapelbroek, Stacy A. Masterjohn, Priyalal S. Wijewarnasuriya, Roger E. DeWames, David S. Smith, and John C. Ehlert "Noise in large-area CrlS Hg_1-xCd_xTe photovoltaic detectors", Proc. SPIE 4820, Infrared Technology and Applications XXVIII, (23 January 2003); https://doi.org/10.1117/12.453567

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