Sunburn study of VOx microbolometers

Elad Gross; Asaf David

doi:10.1117/12.2518089

14 May 2019 Sunburn study of VO_x microbolometers

Elad Gross, Asaf David

Proceedings Volume 11001, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXX; 1100106 (2019) https://doi.org/10.1117/12.2518089
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

Sunburn is a phenomenon which occurs when pixels are damaged, either temporarily or permanently, as a result of direct exposure to sun radiation. Consequently the image exhibits artifacts seen as white or black spots. In this study we investigate the effect of the F/# on sunburn in VO_x bolometer. The experimental setup was designed to simulate sun radiation at flight conditions. We study the sunburn intensity, its recovery time and its dependence on F/#. As part of the data analysis, we used a SNR model to characterize the sunburn intensities. A good correlation was found between the SNR model and the naked eye observation of the sunburn spots.

Citation Download Citation

Elad Gross and Asaf David "Sunburn study of VO_x microbolometers", Proc. SPIE 11001, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXX, 1100106 (14 May 2019); https://doi.org/10.1117/12.2518089

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