Uncertainty for measuring the luminance gain of low light level image intensifier assembly

Xiaofeng Bai; Kun Han; Shuning Yang; Junguo Li; Xiaogang Dang; Wei Cheng; Xulang Chen; Lei Wang

doi:10.1117/12.2575442

5 November 2020 Uncertainty for measuring the luminance gain of low light level image intensifier assembly

Xiaofeng Bai, Kun Han, Shuning Yang, Junguo Li, Xiaogang Dang, Wei Cheng, Xulang Chen, Lei Wang

Proceedings Volume 11567, AOPC 2020: Optical Sensing and Imaging Technology; 115670M (2020) https://doi.org/10.1117/12.2575442
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

Luminance gain is an important parameter to evaluate the light intensity enhancement ability of the low light level image intensifier assembly. The higher the luminance gain, the easier the receiver is to sense and recognize. However, luminance gain is not a directly measurable physical quantity. Thus, luminance gain measuring devices have non-standard specific properties. Based on the principle of luminance gain measuring specified in the standard, the structure and measurement methods of measurement devices are analyzed, the error and optimization methods of two major measurement methods are compared, and the distribution of the combined uncertainty of measuring luminance gain is studied. Then, an optimized measurement scheme of luminance gain of low light level image intensifier assembly is put forward. Based on this scheme, a comprehensive measurement uncertainty analysis is carried out and the calculated luminance gain measurement extended combined uncertainty is about 6.7% (k=2). The results are of great significance for improving the measurement accuracy of luminance gain of low light level image intensifier assembly.

Citation Download Citation

Xiaofeng Bai, Kun Han, Shuning Yang, Junguo Li, Xiaogang Dang, Wei Cheng, Xulang Chen, and Lei Wang "Uncertainty for measuring the luminance gain of low light level image intensifier assembly", Proc. SPIE 11567, AOPC 2020: Optical Sensing and Imaging Technology, 115670M (5 November 2020); https://doi.org/10.1117/12.2575442

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