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Published May 23, 2001 | Published
Book Section - Chapter Open

Angular light scattering studies using low-coherence interferometry

Abstract

A modified Michelson interferometer is used to measure path- length resolved angular distributions of light backscattered by turbid media. The path length resolution is obtained by exploiting the coherence properties of a broadband source. The angular distribution is mapped out using a simple optical system to scan the angle at which the reference field intersects the detector plane. Angular scattering distributions can be compared to Mie theory to determine the size and refractive index of spherical scatterers. Initial studies utilizing this system demonstrate the potential of low coherence interferometry for obtaining structural information using angular distributions.

Additional Information

© 2001 Society of Photo-Optical Instrumentation Engineers (SPIE). This work was conducted at the MIT Laser Biomedical Research Center and was supported by grants from the Hamamatsu Corporation and the National Institute of Health through the National Center for Research Resources. Adam Wax is supported by an NRSA fellowship grant from the NIH.

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August 19, 2023
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