Coherent Backscattering from Multiple Scattering Systems

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FIEBIG, Susanne, 2010. Coherent Backscattering from Multiple Scattering Systems [Dissertation]. Konstanz: University of Konstanz

@phdthesis{Fiebig2010Coher-9312, title={Coherent Backscattering from Multiple Scattering Systems}, year={2010}, author={Fiebig, Susanne}, address={Konstanz}, school={Universität Konstanz} }

2010 application/pdf The focus of the work presented in this thesis lay on improvements of the experimental techniques for the investigation of multiple scattering phenomena, and in particular the coherent backscattering cone of visible light.<br />After an introduction in the theory behind the phenomenon of coherent backscattering and a presentation of the setups and the samples used for the investigations, two main experiments are reviewed.<br />The first experiment, performed with a setup that measures the backscattered light intensity over an angular range of nearly 180°, had been found to apparently violate conservation of energy. However, we were able to reject this by carefully revising the experimental procedure and by comparing the results with an extended theory developed by E. Akkermans and G. Montambaux.<br />A second part of this work concerned the remodeling of a setup for the measurement of the scattered intensity distribution in a small range around backscattering direction. Althought it was not possible to detect Anderson localization via the entailed rounding of the tip of the backscattering cone, the improved maximum intensity resolution and an enhanced maximum angular resolution or respectively an extended maximum angular range makes the setup a useful and reliable tool to measure the scattering properties of weakly scattering samples with narrow backscattering cones. Fiebig, Susanne eng 2011-03-24T17:55:23Z 2011-03-24T17:55:23Z Kohärente Rückstreuung von vielfachstreuenden Systemen Fiebig, Susanne terms-of-use Coherent Backscattering from Multiple Scattering Systems

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