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 Topics in Particle and Dispersion Science

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Broadband pulse scattering by a 9 µm fiber


A pattern of peaks (in false color: dark = low, bright = high) appear in the 2-D data obtained by measuring the spectrum of light scattered by a 9 µm diameter glass fiber as a function of the scattering angle. The fiber is illuminated by a broadband coherent light source (a mode-locked pulsed laser). The slope and periodicity of the experimental pattern of peaks (left panel) match well those of a calculated pattern (right panel). The source's spectral envelope is impressed upon the experimental data while the calculations are based on a uniform excitation spectrum. Small differences in the periodicities of the two patterns may arise from (1) experimental uncertainty in the refractive index and geometry of the fiber, and in the angle of incidence, and/or (2) the difficulty of finding the peak's centroid (e.g. the peak near 760 nm and 33 degrees in the right panel). The figure reproduced by permission from Curie M et al 2009 with minor modifications. [MC]
 
 

Topics in Particle and Dispersion Science (TPDSci) is an online publication (ISBN 0-9780628-0-9) providing a comprehensive review of interdisciplinary topics in the particle and particle dispersion science ... more

Learn about this novel monograph concept from a paper, which was published in proceedings of the 2010 SPIE conference in Orlando, Florida, USA (Depa J et al 2010).

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