@article {:/content/asa/journal/jasa/140/3/10.1121/1.4962556,
	title = {Dynamic sound scattering: Field fluctuation spectroscopy with singly scattered ultrasound in the near and far fields},
	journal = {The Journal of the Acoustical Society of America},
	volume = {140},
	number = {3},
	year = {2016},
	pages = {1992},
	abstract = {
	Dynamic\&nbsp;sound scattering\&nbsp;(DSS) is a powerful acoustic technique for investigating the motion of particles or other inclusions inside an evolving medium. In DSS, this dynamic information is obtained by\&nbsp;measuring\&nbsp;the field autocorrelation function of the temporal\&nbsp;fluctuations\&nbsp;of singly\&nbsp;scattered\&nbsp;acoustic waves.\&nbsp;The technique was initially introduced 15 years ago, but its technical aspects were not adequately discussed then. This paper addresses the need for a more complete account of the method by describing in detail two different implementations of this\&nbsp;sound scattering\&nbsp;technique, one of which is specifically adapted to a common experimental situation in ultrasonics. The technique is illustrated by the application of DSS to\&nbsp;measure\&nbsp;the mean square\&nbsp;velocity\&nbsp;fluctuations\&nbsp;of particles in fluidized\&nbsp;suspensions,\&nbsp;as well as the dynamic\&nbsp;velocity\&nbsp;correlation length. By explaining the experimental and analytical methods involved in realizing the DSS technique in practice, the use of DSS will be facilitated for future studies of particulate\&nbsp;suspension\&nbsp;dynamics and particle properties over a wide range of particle sizes and concentrations, from millimeters down to nanometers, where the use of optical techniques is often limited by the opacity of the medium.

},
	doi = {http://scitation.aip.org/content/asa/journal/jasa/140/3/10.1121/1.4962556},
	url = {https://asa.scitation.org/doi/10.1121/1.4962556},
	author = {Cowan, M. L. and Page, J. H. and Norisuye, T. and Weitz, D. A.}
}
