Analysis and measurement of the stray light of the visible and near-infrared imaging spectrometer

Chao Luo; Xinhua Chen; Zhicheng Zhao; Qiao Pan; Minxue Tang; Weimin Shen

doi:10.1117/12.2501130

24 July 2018 Analysis and measurement of the stray light of the visible and near-infrared imaging spectrometer

Chao Luo, Xinhua Chen, Zhicheng Zhao, Qiao Pan, Minxue Tang, Weimin Shen

Proceedings Volume 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018); 1082730 (2018) https://doi.org/10.1117/12.2501130
Event: Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 2018, Shanghai, China

Abstract

In this paper, the generation mechanism of stray light is analyzed for a visible and near infrared imaging spectrometer with a spectral range of 400nm to 900nm. The optical mechanical model of the instrument was established and its stray light level was simulated. Based on the notch method, A stray light measuring device is built. The veiling glare index of the imaging spectrometer is measured to be 0.84%. The uncertainty of measurement is assessed by GUM method, and the influence of uncertainty components on the measurement results is analyzed. When the confidence probability of the measuring device is 95.45%, the measurement uncertainty of veiling glare index is 0.15%. Finally, a comparison and analysis are made between the simulated values of the veiling glare index and the actual measured values. This work provides technical support for the development of high resolution imaging spectrometer.

Citation Download Citation

Chao Luo, Xinhua Chen, Zhicheng Zhao, Qiao Pan, Minxue Tang, and Weimin Shen "Analysis and measurement of the stray light of the visible and near-infrared imaging spectrometer", Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 1082730 (24 July 2018); https://doi.org/10.1117/12.2501130

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