光学学报, 2017, 37 (10): 1029001, 网络出版: 2018-09-07
基于环形样品池的激光粒度测量方法 下载: 818次
Laser Particle Size Measurement Based on Annular Sample Cell
图 & 表
图 1. (a)典型激光粒度仪的光学结构;(b)传统样品池的结构示意图
Fig. 1. (a) Typical optical structure of laser particle size analyzer; (b) structural schematic of traditional sample cell
图 2. (a)多光束示意图;(b)梯形样品池示意图;(c)棱镜式样品池示意图;(d)柱透镜样品池示意图
Fig. 2. (a) Schematic of multiple beams; (b) schematic of trapezoidal sample cell; (c) schematic of prism sample cell; (d) schematic of cylindrical-lens sample cell
图 3. (a)基于环形样品池的激光粒度仪在平行于纸面方向上的光束传播示意图;(b)环形样品池内平行于纸面方向上的入射光与折射光传播示意图
Fig. 3. (a) Propagation schematic of beams parallel to paper in laser particle size analyzer based on annular sample cell; (b) propagation schematic of incident rays and refractive rays parallel to paper within annular sample cell
图 4. 样品池内非中心位置颗粒的散射光传播示意图
Fig. 4. Propagation schematic of scattering light from particles at off-center position within sample cell
图 5. (a)典型粒径对应的光能分布,灰色区域为传统样品池不能接收的散射角区域; (b) ERMS随α的变化
Fig. 5. (a) Light energy distributions corresponding to typical particle sizes, gray region is range of scattering angle unreceived by traditional sample cell; (b) ERMS versus α
图 6. 经外壁涂黑处理的环形样品池内部反射示意图
Fig. 6. Schematic of reflection inside annular sample cell with blackened ektexine
表 1Duke标准粒子测量结果
Table1. Measurement results of Duke standard particles
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潘林超, 葛宝臻, 张福根. 基于环形样品池的激光粒度测量方法[J]. 光学学报, 2017, 37(10): 1029001. Linchao Pan, Baozhen Ge, Fugen Zhang. Laser Particle Size Measurement Based on Annular Sample Cell[J]. Acta Optica Sinica, 2017, 37(10): 1029001.