This repository contains the raw data used to generate figures published in Mazilu, M., Demcenko, A., Wilson, R., Reboud, J., and Cooper, J. M. (2018). 'Breaking the symmetry of momentum conservation using evanescent acoustic fields' in Physical Review Letters. The raw data are in Matlab format and data can be read using the provided m-files. The files are arranged in dedicated folders, following the orders of the Figures in the manuscripts. Data were processed using Matlab R2015a.