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Dynamic Light Scattering (DLS)

Dynamic Light Scattering (DLS)

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A physics method known as Dynamic Light Scattering (DLS) can be used to analyze the size distribution profile of suspensions of tiny particles or solutions of polymers. The intensity or photon auto-correlation function is typically used in the context of DLS to investigate temporal fluctuations (also known as photon correlation spectroscopy or quasi-elastic light scattering). The autocorrelation function (ACF) typically decays in the time domain analysis starting at zero delay time, and faster dynamics brought on by smaller particles cause the dispersed intensity trace to decorrelate more quickly. As it has been established that the intensity ACF is the power spectrum's Fourier transform, DLS measurements can be carried out just as successfully in the spectral domain. DLS can also be utilized to examine the actions of complex fluids such as concentrated polymer solutions.

 

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