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Laser Diffraction Principles

April 2, 2017

This is a simple description. For detailed explanations see articles: Laser Diffraction-101 and -201. Particle Size Distribution  (PSD) is a multi-parameter description of how the total concentration of particles is distributed into many size fractions....

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How LISST-SL Works

March 31, 2017

The LISST-SL2 is an advanced version of the original LISST-SL instrument for sediment transport studies. It is not a sampler. It draws water in and blows it out. No water sample is retained. Laser optics and electronics are contained within the streamlined...

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Publications with LISST-SL

December 19, 2016

We provide a link to Google Scholar. Clicking this link will show you the most current publications using the LISST-SL instrument. At the time of this search, 66 such papers were found. Below is an example page of citations. Representative point-integrated...

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Turbidity vs Laser Diffraction – why LD is better

April 29, 2016

Last updated: 11 May 2016  Turbidity as a surrogate for suspended sediment concentration (SSC) is commonly used and deeply established in practice. The shortcomings of turbidity as a surrogate for SSC are: The calibration changes with grain size; The...

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