Influence of the refractive index contrast on coherent backscattering

The influence of the refractive-index mismatch on coherent backscattering from disordered systems is experimentally studied. The contrast in the refractive index between sample and surrounding media is varied, and thereby the surface reflectivity, using different glass types. Agreement is achieved w...

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Bibliographic Details
Published in:Optics communications 1993-11, Vol.103 (3), p.169-173
Main Authors: den Outer, P.N., Lagendijk, Ad
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
Wave optics
Wave propagation, transmission and absorption
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Summary:The influence of the refractive-index mismatch on coherent backscattering from disordered systems is experimentally studied. The contrast in the refractive index between sample and surrounding media is varied, and thereby the surface reflectivity, using different glass types. Agreement is achieved with current theoretical models. Values for the mean-index of refraction are found that are close to the index of the interparticle media, in contrast with results predicted by theoretical models on heterogeneous media.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(93)90438-B