Numerical simulations on polarized photon scattering for classification of air pollutants

Da Li; Nan Zeng; Maomao Zeng; Hui Ma

doi:10.1117/12.2208010

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5 November 2015 Numerical simulations on polarized photon scattering for classification of air pollutants

Da Li, Nan Zeng, Maomao Zeng, Hui Ma

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Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 979506 (2015) https://doi.org/10.1117/12.2208010
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

Atmospheric pollution has become a key factor restricting the development of social economy. Identification of major pollutants has important scientific significance. The polarization evolution during polarized light interacting with particulate matters can provide important information sensitive to properties of particles. We propose a method to recognize the specific component in air dust, for example, the sand. Based on our polarization simulation, we show theoretically that some Stokes parameters at specific scattering angle can classify water soluble particles, water droplet and sand etc. The preliminary research implies some potential of polarization detection applied in source apportionment for air pollution monitoring.

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Da Li, Nan Zeng, Maomao Zeng, and Hui Ma "Numerical simulations on polarized photon scattering for classification of air pollutants", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 979506 (5 November 2015); https://doi.org/10.1117/12.2208010

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