Low-coherence interferometry of particles distributed in a dielectric medium
作者： Anatol Brodsky , Paul H. Shelley , Simonida R. Thurber , Lloyd W. Burgess
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摘要: Low-coherence interferometry is used to measure changes in signal intensity that are dependent on the phase of light backscattered from particles distributed dielectric matrices. The measurements provide unique opportunity follow dynamics small fraction scattered light, 10-10 initial intensity, retains characteristics incident wave packet. effects manifested observed reshaping packets, optical-length-dependent degree randomization, and fluctuation patterns. experimental results indicate presence photon trapping effects. corresponding data analysis not only allows for an estimation particle concentration but also provides information Brownian motion a liquid distribution size space.
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