Quaternary GaInAsSb 2.0-2.5 micron back-illuminated focal plane array for blood glucose monitoring

  title={Quaternary GaInAsSb 2.0-2.5 micron back-illuminated focal plane array for blood glucose monitoring},
  author={John P. Prineas and M. H. M. Reddy and Jonathon T. Olesberg and Chuan-shun Cao and Saravanan Veerasamy and Michael E. Flatt{\'e} and Edwin John Koerperick and Thomas F. Boggess and Michael R. Santilli and Linda J. Olafsen},
  booktitle={SPIE OPTO},
A focal plane array detector sensitive from 2.0-2.5 μm and consisting of 32, 1.0 mm x 50 μm pixels, all functional, is demonstrated. Mean room-temperature R0A is found to be 1.0 Ωcm2, limited by sidewall leakage. The focal plane array is fabricated from an MBE-grown homojunction p-i-n GaInAsSb grown on an n-type GaSb substrate. Back-illumination geometry is compared to front-illumination geometry and is found to be favorable, particularly the improved responsivity (1.3 A/W at 2.35 μm… 

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