Simulations of infrared atmospheric transmittance based on measured data

Fu-yin Song; Yuan Lu; Ya Qiao; Hui-feng Tao; Cong Tang; Yong-shun Ling

doi:10.1117/12.2246466

25 October 2016 Simulations of infrared atmospheric transmittance based on measured data

Fu-yin Song, Yuan Lu, Ya Qiao, Hui-feng Tao, Cong Tang, Yong-shun Ling

Proceedings Volume 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control; 101571E (2016) https://doi.org/10.1117/12.2246466
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

There are two regular methods to calculate infrared atmospheric transmittance, including empirical formula and professional software. However, it has large deviations to use empirical formula. It is complicated to use professional software and difficult to apply in other infrared simulative system. Therefore, based on measured atmospheric data in some area for many years, article used the method of molecular single absorption to calculate absorption coefficients of water vapor and carbon dioxide in different temperature. Temperatures, pressures, and consequent scattering coefficients which distributed in different high were fitted with analysis formula according to different months. Then, it built simulative calculation model of atmospheric transmittance of infrared radiation. The simulative results are very close to accuracy results calculated by user-defined model of MODTRAN. The method is easy and convenient to use and has certain referent value in the project application.

Citation Download Citation

Fu-yin Song, Yuan Lu, Ya Qiao, Hui-feng Tao, Cong Tang, and Yong-shun Ling "Simulations of infrared atmospheric transmittance based on measured data", Proc. SPIE 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control, 101571E (25 October 2016); https://doi.org/10.1117/12.2246466

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