Qun Xie, Fugen Zhang, Lü Qieni. Ideal Laser Particle Size Analyzer and Its Lower Limit of Measurement and Resolving Power[J]. Laser & Optoelectronics Progress, 2022, 59(13): 1329001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 13, 1329001 (2022)
Fig. 1. Position of the photoelectric detection unit in the scattering light field
Fig. 2. Signal distribution and power spectrum of scattering light. (a) Particles with a particle size of 1 μm; (b) particles with a particle size of 100 μm
Fig. 3. Fγ（D）
Fig. 4. Lower limit of measurement for the ideal model. (a) Effect of noise on the lower limit of measurement; (b) effect of the refractive index of particles on the lower limit of measurement
Fig. 5. Resolving power of ideal model under different noise. (a) mi =0; (b) mi =0.1
Fig. 6. Effect of the real part of refractive index on resolving power (mi=0.1)
Fig. 7. Experimental device approximate to ideal laser particle size analyzer
Fig. 8. Particle size measurement results of single-dispersed standard samples. (a) 50 nm; (b) 100 nm; (c) 200 nm; (d) 300 nm
Fig. 9. Particle size measurement results for samples with bimodal distribution. (a) 50 nm and 200 nm; (b) 100 nm and 200 nm; (c) 200 nm and 300 nm; (d) 300 nm and 400 nm
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Table 1. Particle size measurement results of single-dispersed standard samples
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Table 2. Combination of the distinguishing test experiment mix
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