Recent advances in staring hybrid focal plane arrays: comparison of HgCdTe, InGaAs and GaAs/AlGaAs detector technologies

Lester J. Kozlowski; Jose M. Arias; G. M. Williams; Kadri Vural; Donald E. Cooper; Scott A. Cabelli; Carl F. Bruce Jr.

doi:10.1117/12.189236

7 October 1994 Recent advances in staring hybrid focal plane arrays: comparison of HgCdTe, InGaAs, and GaAs/AlGaAs detector technologies

Lester J. Kozlowski, Jose M. Arias, G. M. Williams, Kadri Vural, Donald E. Cooper, Scott A. Cabelli, Carl F. Bruce Jr.

Author Affiliations +

Proceedings Volume 2274, Infrared Detectors: State of the Art II; (1994) https://doi.org/10.1117/12.189236
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

A comparison of photovoltaic HgCdTe/Al₂O₃, HgCdTe/CdZnTe, InGaAs/InP and photoconductive GaAs/AlGaAs quantum well infrared photodetector detector technologies has been conducted at Rockwell by exploiting the ability to selectively hybridize disparate mosaic detector arrays to an assortment of silicon multiplexers. Hybrid FPA characteristics are reported as functions of operating temperature from 32.5 K to room temperature and at photon backgrounds from approximately equals 10⁶ to mid-10¹⁶ photons/cm²-sec. The staring arrays range in size from about sixteen thousand to over a million pixels. Background-limited detectivities significantly exceeding 10¹⁴ cm-(root)Hz/W were achieved.

Citation Download Citation

Lester J. Kozlowski, Jose M. Arias, G. M. Williams, Kadri Vural, Donald E. Cooper, Scott A. Cabelli, and Carl F. Bruce Jr. "Recent advances in staring hybrid focal plane arrays: comparison of HgCdTe, InGaAs, and GaAs/AlGaAs detector technologies", Proc. SPIE 2274, Infrared Detectors: State of the Art II, (7 October 1994); https://doi.org/10.1117/12.189236

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