Acta Optica Sinica, Volume. 40, Issue 7, 0712001(2020)
Synchronous Measurement Method of Trans-Micron Scale Mixed Particle Size
Figures & Tables(8)
Fig. 5. Inverse results of particle size distribution by typical signal extinction method. (a) Single 900 nm standard particle sample solution; (b) mixed 900 nm + 51 μm standard particle sample solution
Fig. 6. Typical image preprocessing. (a) Filtered and de-noised image; (b) grayscale normalized image; (c) background homogenized image; (d) binarized image
Fig. 7. Measurement results of particle size distribution by typical signal image method
Table 1. Particle size measurement results and relative errors
View tableTable 1. Particle size measurement results and relative errors
Sample number Standard particle size Multi-wavelength light extinction method Image method Submicron-ten microns Over ten microns Measurement result Relative error /% Measurement result Relative error /% 1 900 nm 76.9 μm (864.8±4.7) nm 3.91 (76.71±0.16) μm 0.25 2 900 nm 51.0 μm (880.1±2.7) nm 2.21 (52.33±0.10) μm 2.61 3 900 nm 15.1 μm (874.1±9.8) nm 2.88 (15.60±0.08) μm 3.31 4 500 nm 51.0 μm (490.9±2.8) nm 1.81 (52.00±0.17) μm 1.96 5 700 nm 51.0 μm (685.1±2.4) nm 2.13 (52.05±0.16) μm 2.05 6 2.1 μm 51.0 μm (2.18±0.01) μm 3.59 (52.14±0.16) μm 2.24 7 3.1 μm 51.0 μm (3.20±0.01) μm 3.38 (52.10±0.17) μm 2.16 8 5.1 μm 51.0 μm (5.29±0.01) μm 3.65 (52.31±0.13) μm 2.57 9 9.7 μm 51.0 μm (9.29±0.04) μm 4.19 (52.07+0.18) μm 2.10
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Rong Zhao, Kewei Pan, Bin Yang, Li Ping, Xiaoshu Cai. Synchronous Measurement Method of Trans-Micron Scale Mixed Particle Size[J]. Acta Optica Sinica, 2020, 40(7): 0712001
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Oct. 17, 2019
Accepted: Dec. 9, 2019
Published Online: Apr. 15, 2020
The Author Email: Yang Bin (yangbin@usst.edu.cn)
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