Coherent Backscattering from Multiple Scattering Systems - KOPS ...
Coherent Backscattering from Multiple Scattering Systems - KOPS ...
Coherent Backscattering from Multiple Scattering Systems - KOPS ...
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Contents<br />
Ein kurzer Überblick<br />
i<br />
Danksagungen<br />
iii<br />
Contents<br />
vi<br />
1 Introduction 1<br />
2 Theory 3<br />
2.1 The wave equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3<br />
2.2 Single scattering – Mie theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5<br />
2.3 Random walk and diffusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9<br />
2.4 The influence of boundaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12<br />
2.5 Photon flux <strong>from</strong> a surface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15<br />
2.6 On polarization and interference . . . . . . . . . . . . . . . . . . . . . . . . . . . 17<br />
2.7 The theory of coherent backscattering . . . . . . . . . . . . . . . . . . . . . . . . 20<br />
3 Setups 25<br />
3.1 Laser System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25<br />
3.2 Wide Angle Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25<br />
3.3 Small Angle Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28<br />
3.4 Time Of Flight Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33<br />
4 Samples 35<br />
4.1 Sample characterization techniques . . . . . . . . . . . . . . . . . . . . . . . . . 35<br />
4.2 The samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38