Abstract

Techniques to differentiate between materials are a powerful addition to the structural information traditionally available from optical coherence tomography images. We present label-free detection of water and lipid at a micrometer scale by evaluating their unique dispersion properties. Using a tri-band swept source configuration, we measure both β2 and β3 and show how to identify the two materials at sample thicknesses of 40 and 90 μm, respectively.

© 2013 Optical Society of America

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