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Study on Backward Scattering Characteristics of Submicron Particles

Keliang Hou, Chunwei Wang, Xiang Liu
Optics and Photonics Journal , Volume 10, pp 79-87; doi:10.4236/opj.2020.105007

Abstract: In production and scientific research, the research on the characteristics of submicron particles has attracted extensive attention, which is of great significance to the development of industrial production, medical and health inspection and other fields. In this paper, the characteristics of submicron particles are studied based on backlight scattering. By collecting the real-time waveform of the backscattering signal of particles with different particle sizes at different concentrations, the corresponding relationship between the particle concentration and the number of pulses was obtained. It is found that the peak value of the backscattered light energy has a good linear relationship with the particle size. The analysis of the signal distribution law of standard particle swarm with different particle size parameters found that it conformed to the lognormal distribution form.
Keywords: lognormal distribution / Submicron Particles / backward scattering

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