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![High Performance Solar-Blind Ultraviolet Focal Plane Arrays Based on AlGaN](pubs/images/High_Performance_Solar-Blind_Ultraviolet_Focal_Plane_Array.jpg) | High Performance Solar-Blind Ultraviolet Focal Plane Arrays Based on AlGaN Erdem Cicek, Ryan McClintock, Abbas Haddadi, William A. Gaviria Rojas, and Manijeh Razeghi IEEE Journal of Quantum Electronics, Vol. 50, Issue 8, p 591-595-- August 1, 2014 We report on solar-blind ultraviolet, AlxGa1-x N-
based,p-i-n,focal plane array (FPA) with 92% operability. At the peak detection wavelength of 278 nm, 320×256-FP A-pixel showed unbiased peak external quantum efficiency (EQE) and responsivity of 49% and 109 mA/W, respectively, increasing to
66% under 5 volts of reverse bias. Electrical measurements yielded a low-dark current density: <7×10-9A/cm², at FPA operating voltage of 2 volts of reverse bias. reprint |
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