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. 2014 Jan 8;119:674–682. doi: 10.6028/jres.119.029

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 2 — Measured concentration (A) and indicated diameter (B) of silica beads (10.2 µm diameter) suspended in 2P-water mixtures of varying refractive index. Error bars indicate standard deviations of three repeat measurements of single samples. Error bars for indicated diameter are smaller than the symbol size. The dashed vertical line indicates the approximate point of refractive index match between the beads and the matrix liquid.