Coherent Backscattering from Multiple Scattering Systems - KOPS ...

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Figures and Tables 3.8 Time of flight setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.1 Particle size and polydispersity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 4.2 Refractive index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 4.3 Reflectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4.4 Titania and teflon samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 4.5 Fluidized bed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 4.6 Particle size distribution in the fluidized bed . . . . . . . . . . . . . . . . . . . . 42 5.1 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 5.2 Comparison of the albedos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 5.3 Calculated photon density distributions in the Teflon sample . . . . . . . . . . 47 5.4 Contributions to the cooperon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 5.5 Old and new theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.6 Distribution of backscattered energies. . . . . . . . . . . . . . . . . . . . . . . . . 53 5.7 Example wide angle backscattering data . . . . . . . . . . . . . . . . . . . . . . 54 5.8 Distribution of backscattered energies . . . . . . . . . . . . . . . . . . . . . . . . 55 5.9 CCD images of R700 and teflon . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 5.10 Tip of the R700 cone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 5.11 Focus accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 5.12 Transport mean free path in dependence of the lens position . . . . . . . . . . . 60 5.13 Coherent backscattering cone of teflon . . . . . . . . . . . . . . . . . . . . . . . . 61 5.14 Single and multiple scattering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 5.15 Calculation of the Stokes vector for the experiment . . . . . . . . . . . . . . . . 63 5.16 Correction of the scattering angle . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 5.17 Measured data and Mie distributions . . . . . . . . . . . . . . . . . . . . . . . . 65 5.18 Coherent backscattering cone of a fluidized bed . . . . . . . . . . . . . . . . . . 66 5.19 Backscattering for various volume fractions . . . . . . . . . . . . . . . . . . . . . 67 76
Figures and Tables Tables 4.1 Colloidal samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 5.1 Albedos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 77
Page 1 and 2:
Dissertation Coherent Backscatterin
Page 3 and 4:
Ein kurzer Überblick Streuung ist
Page 5 and 6:
Ein kurzer Überblick portweglänge
Page 7 and 8:
Contents Ein kurzer Überblick i Da
Page 9 and 10:
1 Introduction There have been many
Page 11 and 12:
2 Theory In scattering theory, the
Page 13 and 14:
2.2 Single scattering - Mie theory
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2.2 Single scattering - Mie theory
Page 17 and 18:
2.3 Random walk and diffusion scatt
Page 19 and 20:
2.3 Random walk and diffusion of pr
Page 21 and 22:
2.4 The influence of boundaries Fig
Page 23 and 24:
2.5 Photon flux from a surface The
Page 25 and 26:
2.6 On polarization and interferenc
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2.6 On polarization and interferenc
Page 29 and 30:
2.7 The theory of coherent backscat
Page 31 and 32:
2.7 The theory of coherent backscat
Page 33 and 34: 3 Setups 3.1 Laser System The key p
Page 35 and 36: 3.2 Wide Angle Setup 1 .0 0 .8 h e
Page 37 and 38: 3.3 Small Angle Setup 1 0.998 0.996
Page 39 and 40: 3.3 Small Angle Setup Figure 3.6: T
Page 41 and 42: 3.4 Time Of Flight Setup Figure 3.8
Page 43 and 44: 4 Samples 4.1 Sample characterizati
Page 45 and 46: 4.1 Sample characterization techniq
Page 47 and 48: 4.2 The samples sample particle siz
Page 49 and 50: 4.2 The samples Figure 4.5: Fluidiz
Page 51 and 52: 5 Experiments 5.1 Conservation of e
Page 53 and 54: 5.1 Conservation of energy in coher
Page 65 and 66: 5.2 The coherent backscattering con
Page 77 and 78: 6 Summary The focus of the work pre
Page 79 and 80: Bibliography [1] http://www.schneid
Page 81 and 82: Bibliography [34] E. Larose, L. Mar
Page 83: Figures and Tables Figures Backscat
Page 87 and 88: MATLAB codes Angular intensity dist
Page 89 and 90: Evaluation of the wide angle data E
Page 91 and 92: Evaluation of the wide angle data %
Page 93 and 94: Evaluation of the wide angle data f
Page 95 and 96: Evaluation of the small angle data
Page 97 and 98: Evaluation of the small angle data
Page 99: Evaluation of the small angle data
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