Effect analysis of oil paint on the space optical contamination

Chun-lian Lu; He Lv; Chun-xu Han; Hai-Bin Wei

doi:10.1117/12.2034738

30 August 2013 Effect analysis of oil paint on the space optical contamination

Chun-lian Lu, He Lv, Chun-xu Han, Hai-Bin Wei

Proceedings Volume 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications; 89101S (2013) https://doi.org/10.1117/12.2034738
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

The space contamination of spacecraft surface is a hot topic in the spacecraft environment project and environment safeguard for spacecraft. Since the 20^th century, many American satellites have had malfunction for space contamination. The space optical systems are usually exposed to the external space environment. The particulate contamination of optical systems will degrade the detection ability. We call the optical damage. It also has a bad influence on the spectral imaging quality of the whole system. In this paper, effects of contamination on spectral imaging were discussed. The experiment was designed to observe the effect value. We used numeral curve fitting to analyze the relationship between the optical damage factor (Transmittance decay factor) and the contamination degree of the optical system. We gave the results of six specific wavelengths from 450 to 700nm and obtained the function of between the optical damage factor and contamination degree. We chose three colors of oil paint to be compared. Through the numeral curve fitting and processing data, we could get the mass thickness for different colors of oil paint when transmittance decreased to 50% and 30%. Some comparisons and research conclusions were given. From the comparisons and researches, we could draw the conclusions about contamination effects of oil paint on the spectral imaging system.

Citation Download Citation

Chun-lian Lu, He Lv, Chun-xu Han, and Hai-Bin Wei "Effect analysis of oil paint on the space optical contamination", Proc. SPIE 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications, 89101S (30 August 2013); https://doi.org/10.1117/12.2034738

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