【摘要】 介绍了一种用多模光纤构造的动态光散射粒径测量实验系统,系统中没有对接收光纤的孔径角加任何限制措施。分别用单分散,多分散和不同浓度的标准聚苯乙烯乳胶球悬浮液检测了该系统的适用性。结果表明,该系统可准确地测量浓度(体积分数)达5%的聚苯乙烯乳胶球溶液中悬浮颗粒的粒径分布。更多还原

【Abstract】 A dynamic light scattering(DLS) system for particle sizing is described,which is constructed by the use of multimode fibers and without any limits to the angle aperture of the receiving fiber.The applicability of the system for particle sizing is assessed by studying monodispersed and polydispersed suspensions standard polystyrene latex particles.The results show that the system can measure the particle size distribution well and truly for suspensions with volume concen- tratiou up to 5 % of polystyrene latex spheres.更多还原