Chen Wang, Biao Zhang, Lixia Cao, Hongxi Yao, Chuanlong Xu. An Improved Inversion Algorithm to Measure Particle Size Distribution[J]. Acta Optica Sinica, 2019, 39(2): 0212009
- Acta Optica Sinica
- Vol. 39, Issue 2, 0212009 (2019)
Fig. 1. Structural diagram of NFS setup for measuring particle size
Fig. 2. Process of measurement of particle size by NFS. (a) NFS image; (b) difference image; (c) image of power spectrum; (d) scattered light intensity
Fig. 3. Inversion results of single peak particle size distribution with noise γ=3%
Fig. 4. Inversion results of single peak particle size distribution with width σ=5
Fig. 5. Inversion results of bimodal particle size distribution with noise γ=0.5%
Fig. 6. Inversion results of bimodal particle size distribution with particle size ratio β=1…1.2
Fig. 7. Experimental setup for particle size measurement by NFS
Fig. 8. Particle size probability distribution of standard particle with particle size of 40 μm
Fig. 9. Particle size probability distribution of bimodal latex spheres with TSVD algorithm
Fig. 10. Particle size probability distribution of mixed solution by proposed algorithm
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Table 1. Inversion results of bimodal particle size distributions at different noise levels
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