Range Calculations For Staring Schottky Barrier Sensors

P. W. Pellegrini

doi:10.1117/12.7977145

1 December 1989 Range Calculations For Staring Schottky Barrier Sensors

P. W. Pellegrini

Author Affiliations +

Optical Engineering, Vol. 28, Issue 12, 281288 (December 1989). https://doi.org/10.1117/12.7977145

Abstract

The maximum detection range for an infrared system depends on the signal-to-noise ratio of the target. Calculation of the signal from an intrinsic infrared detector with a flat spectral quantum efficiency such as indium antimonide or mercury cadmium telluride is straightforward, and simplifications yielding closed-form solutions can be obtained. Schottky barrier diodes have a complex spectral quantum efficiency function because of the nature of hot carrier photoemission, leading to a complex function for both the signal and noise components. This paper derives a detection range equation for Schottky barrier staring sensor systems using this spectral relationship as well as other parameters unique to these diodes.

Citation Download Citation

P. W. Pellegrini "Range Calculations For Staring Schottky Barrier Sensors," Optical Engineering 28(12), 281288 (1 December 1989). https://doi.org/10.1117/12.7977145

Published: 1 December 1989

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