Design of PM2.5 and PM10 concentration optical fiber detectors based on Mie scattering

Ling-yi Zhang; Jian-feng Tang; Yin-fa Zhang; Chen Dong; Zheng-long Yu

doi:10.1117/12.2314930

20 February 2018 Design of PM2.5 and PM10 concentration optical fiber detectors based on Mie scattering

Ling-yi Zhang, Jian-feng Tang, Yin-fa Zhang, Chen Dong, Zheng-long Yu

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 1069733 (2018) https://doi.org/10.1117/12.2314930
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

PM_2.5and PM₁₀ are very important indexes reflecting the air quality in atmospheric environment monitoring. Based on Mie angular scattering theory, a system measuring particulates diameter and concentration of PM_2.5and PM₁₀ was designed, which used optical fiber as transmission medium. Theoretical deduction and Matlab program simulation were presented to illustrate the basic principle of Mie angular scattering. The influences of laser wavelength, detection angle and other parameters on the measurement accuracy were discussed in detail. It had been found that the measurement results had multi-valued problem when the measurement angle range was too small. However, this problem was eliminated obviously when the angle range is greater than 25 degrees.

Citation Download Citation

Ling-yi Zhang, Jian-feng Tang, Yin-fa Zhang, Chen Dong, and Zheng-long Yu "Design of PM2.5 and PM10 concentration optical fiber detectors based on Mie scattering", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 1069733 (20 February 2018); https://doi.org/10.1117/12.2314930

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