Calculation and simulation of the groups of laser light scattering particle flux

Lian-fen Wang; Jian-gang Zhao; Zhan-rong Zhou; Xuan-ke Zhao

doi:10.1117/12.900951

22 August 2011 Calculation and simulation of the groups of laser light scattering particle flux

Lian-fen Wang, Jian-gang Zhao, Zhan-rong Zhou, Xuan-ke Zhao

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 81924P (2011) https://doi.org/10.1117/12.900951
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

This article established the models of detection that groups of scattering particles flux with no relationship. According to the MIE scattering theory under the generalized, we derived the scattering light intensity of a single aerosol particle scattering of Gaussian beam and the luminous flux of ahead scattering formula. On the basic of the single particle scattering, we developed the scattering luminous flux formula of the groups of scattering particles flux, obtained the total population prior to the scattering luminous flux.Carried out using MATLAB editor and numerical calculation. The single particle flux and mass scattering curve with the off-axis distance was be simulated. As the results shows that the different scattering angle, the detector receives the flux is different; in the same axial distance, the luminous flux decreased quickly as the distance to the axiom increased. At the same time, the luminous flux affected the waist radius largely. Waist radius of the smaller, the smaller flux. It affected the luminous flux receiving when the groups of particles in different positions.

Citation Download Citation

Lian-fen Wang, Jian-gang Zhao, Zhan-rong Zhou, and Xuan-ke Zhao "Calculation and simulation of the groups of laser light scattering particle flux", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81924P (22 August 2011); https://doi.org/10.1117/12.900951

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KEYWORDS

Scattering

Light scattering

Laser scattering

Atmospheric particles

Mie scattering

Particles

Aerosols

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