Light Scattering Instrumentation For Particulate Measurements In Processes

A. L. Wertheimer; H. N. Frock; E. C. Muly

doi:10.1117/12.956014

28 February 1978 Light Scattering Instrumentation For Particulate Measurements In Processes

A. L. Wertheimer, H. N. Frock, E. C. Muly

Proceedings Volume 0129, Effective Utilization of Optics in Quality Assurance I; (1978) https://doi.org/10.1117/12.956014
Event: Effective Utilization of Optics in Quality Assurance, 1977, Arlington Heights, United States

Abstract

A line of new instruments is described which use light scattering to measure various parameters of particulate distributions. Employing laser illumination of a flowing stream of particles, a Fraunhofer diffraction pattern is produced and processed with optical and electronic means. Various parameters of the particle size distribution are measured, including a thirteen segment histogram of the volume size distribution. The measurement is rapid and continuous. Technical background and instrumentation is discussed. Many applications have been made, and this paper includes three examples relating to industrial quality control involving particles.

Citation Download Citation

A. L. Wertheimer, H. N. Frock, and E. C. Muly "Light Scattering Instrumentation For Particulate Measurements In Processes", Proc. SPIE 0129, Effective Utilization of Optics in Quality Assurance I, (28 February 1978); https://doi.org/10.1117/12.956014

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