Xin Pan, Zhangjun Wang, Xiangqian Meng, Xiufen Wang, Chao Chen, Wei Deng, Xingtao Liu, Hui Li, Xianxin Li, Quanfeng Zhuang. Particle Size Detection Technology Based on Imaging Polarization Nephelometer[J]. Laser & Optoelectronics Progress, 2020, 57(9): 092902
- Laser & Optoelectronics Progress
- Vol. 57, Issue 9, 092902 (2020)
Fig. 1. Schematic diagram of polarization nephelometer device
Fig. 2. Image of PSL particles from polarization nephelometer. (a) Image of the background; (b) image of low-level PSL scattered light; (c) image of high-level PSL scattered light; (d) image of PSL scattered light after noise reduction
Fig. 3. Observations results of WPS. (a) Particle size concentration of particulate matter; (b) mass concentration of particulate matter
Fig. 4. SEM images of PSL standard particle samples. (a) Original image; (b) enlarged image of SEM
Fig. 5. Statistics of PSL particle size by SEM
Fig. 6. Comparison of measured and theoretical scattering phase functions for PSL. (a) Polarization angle is 0 °; (b) polarization angle is 90 °
Fig. 7. Comparison of theoretical and measured values of PSL particle scattering phase function. (a) Polarization angle is 0 °; (b) polarization angle is 90 °
Fig. 8. Inversion results of PSL particle size distribution
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Table 1. PSL particle detection results
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