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Optical Rheometry of Complex Fluids
by Gerald G. Fuller
Gerald G. Fuller
![Optical Rheometry of Complex Fluids](http://img.images-bn.com/static/redesign/srcs/images/grey-box.png?v11.8.5)
Optical Rheometry of Complex Fluids
by Gerald G. Fuller
Gerald G. Fuller
eBook
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Overview
This book provides a self-contained presentation of optical methods used to measure the structure and dynamics of complex fluids subject to the influence of external fields. Such fields--hydrodynamic, electric, and magnetic--are commonly encountered in both academic and industrial research, and can produce profound changes in the microscale properties of liquids comprised of polymers, colloids, liquid crystals, or surfactants. Starting with the basic Maxwell field equations, this book discusses the polarization properties of light, including Jones and Mueller calculus, and then covers the transmission, reflection, and scattering of light in anisotropic materials. Spectroscopic interactions with oriented systems such as absorptive dichroism, small wide angle light scattering, and Raman scattering are discussed. Applications of these methods to a wide range of problems in complex fluid dynamics and structure are presented, along with selected case studies chosen to elucidate the range of techniques and materials that can be studied. As the only book of its kind to present a self-contained description of optical methods used for the full range of complex fluids, this work will be special interest to a wide range of readers, including chemical engineers, physical chemists, physicists, polymer and colloid scientists, along with graduate and post-graduate researchers.
Product Details
ISBN-13: | 9780195357073 |
---|---|
Publisher: | Oxford University Press |
Publication date: | 06/29/1995 |
Series: | Topics in Chemical Engineering |
Sold by: | Barnes & Noble |
Format: | eBook |
File size: | 7 MB |
About the Author
Stanford University
Table of Contents
1 | Propagation of Electromagnetic Waves | 3 |
1.1 | The Maxwell Equations | 3 |
1.2 | Plane Waves in Nonconducting Media | 5 |
1.2.1 | Plane Waves in Anisotropic Materials without Optical Rotation | 7 |
1.2.2 | Plane Waves in Materials with Optical Rotation | 8 |
1.3 | Green's Function Solutions of the Wave Equations | 9 |
1.4 | Polarization: The Jones and Stokes Vectors | 12 |
1.4.1 | The Jones Vector | 12 |
1.4.2 | Linear and Circular Polarization Basis Sets | 14 |
1.4.3 | The Stokes Vector | 15 |
1.5 | Boundary Conditions | 16 |
1.6 | Reflection and Refraction of Plane Waves | 18 |
2 | Transmission by Anisotropic Media: The Jones and Mueller Calculus | 23 |
2.1 | The Jones and Mueller Matrices | 23 |
2.2 | Analysis of a Series of Polarizing Elements | 24 |
2.3 | Rotation of Optical Elements | 25 |
2.4 | Jones Matrices for Simple Polarizing Elements | 26 |
2.4.1 | Isotropic Retarders and Attenuators | 26 |
2.4.2 | Anisotropic Retarders: Birefringence | 27 |
2.4.3 | Anisotropic Attenuators: Dichroism | 28 |
2.4.4 | Coaxial Birefringent/Dichroic Materials | 29 |
2.4.5 | Optically Active Materials: Anisotropy and Circularly Polarized Light | 29 |
2.4.6 | Composite Materials and Axially Varying Materials | 31 |
2.4.7 | Combined Birefringent and Dichroic Materials | 36 |
2.5 | List of Jones and Mueller Matrices | 37 |
2.6 | Example Analysis: Crossed Polarizer Experiment | 37 |
2.7 | Transmission through Homogeneous Materials at Oblique Incidence | 40 |
2.7.1 | Example: Oblique Transmission through Parallel Plate Flow | 43 |
3 | Reflection and Refraction of Light: Ellipsometry | 45 |
3.1 | Reflection and Refraction from a Planar Interface | 45 |
3.2 | Stratified, Isotropic Thin Films | 47 |
3.2.1 | Example Calculation: Single Isotropic Thin Film | 50 |
4 | Total Intensity Light Scattering | 52 |
4.1 | Light Scattering in the Far Field: The Born Approximation | 53 |
4.1.1 | Dipole or Rayleigh Scattering | 53 |
4.1.2 | The Polarizability Tensor | 55 |
4.1.3 | Polarizability of a Dielectric Sphere | 57 |
4.2 | Rayleigh-Debye Scattering | 59 |
4.2.1 | Rayleigh Form Factor of a Sphere | 62 |
4.2.2 | Rayleigh Form Factor for a Cylinder | 63 |
4.2.3 | Rayleigh Form Factor for a Spheroid | 64 |
4.3 | Light Scattering from Fluctuations and the Structure Factor | 65 |
4.4 | Fraunhofer Diffraction from Large Particles | 67 |
4.4.1 | Fraunhofer Diffraction from a Sphere | 70 |
4.4.2 | Fraunhofer Diffraction from a Cylinder | 70 |
4.5 | The Scattering Jones Matrix | 70 |
4.6 | The Optical Theorem: Form Dichroism and Birefringence From Dilute Suspensions | 71 |
4.7 | The Onuki-Doi Theory of Form Birefringence and Dichroism | 74 |
5 | Spectroscopic Methods | 77 |
5.1 | Dichroism in the Ultraviolet, Visible and Infrared | 77 |
5.2 | Raman Scattering | 87 |
5.2.1 | Theory of Raman Scattering | 87 |
5.2.2 | Classical Theory of Raman Scattering | 89 |
5.2.3 | The Depolarization Ratio | 90 |
5.3 | General Form of the Raman Tensor for Transversely Isotropic Systems | 92 |
5.4 | Raman Scattering Jones Matrix for Oriented Systems | 94 |
5.5 | Polarized Fluorescence | 97 |
6 | Laser Doppler Velocimetry and Dynamic Light Scattering | 100 |
6.1 | Laser Doppler Velocimetry | 100 |
6.2 | Dynamic Light Scattering | 103 |
7 | Microstructural Theories of Optical Properties | 109 |
7.1 | Molecular and Polymeric Systems | 109 |
7.1.1 | The Lorentz-Lorenz Equation | 109 |
7.1.2 | Birefringence of a Rigid Rod Polymer | 111 |
7.1.3 | The Kuhn and Grun Model of a Flexible Chain | 113 |
7.1.4 | Molecular Theories of the Raman Tensor | 116 |
7.1.5 | Form Contributions of Birefringence and Dichroism | 117 |
7.1.6 | The Dynamics of Polymer Molecules | 120 |
7.1.7 | The Structure Factor of Flowing Complex Liquid Mixtures | 138 |
7.2 | Particulate Suspensions and Dispersions | 141 |
7.2.1 | Dynamics of Particulates | 141 |
7.3 | The Stress Tensor and the Stress-Optical Rule | 146 |
8 | Design of Optical Instruments | 149 |
8.1 | Transmission Experiments: Polarimeters | 150 |
8.2 | Fixed Element Systems | 155 |
8.2.1 | The Crossed Polarizer System | 155 |
8.2.2 | Crossed Polarizers/Quarter-Wave Plate System | 159 |
8.2.3 | Null Methods | 159 |
8.3 | Polarization Modulation Methods | 160 |
8.3.1 | Rotary Polarization Modulators | 161 |
8.3.2 | Field Effect Polarization Modulators | 162 |
8.4 | Polarimeter Designs Based on Polarization Modulation | 164 |
8.4.1 | Linear Dichroism Measurements | 164 |
8.4.2 | Linear Birefringence Measurements | 167 |
8.4.3 | Linear Birefringence and Linear Dichroism: Coaxial and Noncoaxial Materials | 169 |
8.4.4 | Circular Dichroism Measurements | 171 |
8.4.5 | Full Mueller Matrix Polarimeters | 172 |
8.5 | Design of Scattering Experiments | 175 |
8.5.1 | Wide-Angle Scattering Experiments | 175 |
8.5.2 | Small-Angle Light Scattering (SALS) | 177 |
8.6 | Raman Scattering | 179 |
9 | Selection and Alignment of Optical Components | 181 |
9.1 | Polarizing Optical Elements | 181 |
9.1.1 | Polarizers | 181 |
9.1.2 | Retardation Plates | 184 |
9.1.3 | Circular Polarizers | 188 |
9.1.4 | Variable Retarders | 189 |
9.2 | Alignment of Polarizing Elements | 189 |
9.3 | Calibration of the Sign of Dichroism and Birefringence | 191 |
9.4 | Calibration of the Flow Direction Axis in a Couette Shear Flow Cell | 191 |
10 | Applications and Case Studies | 193 |
10.1 | Polymeric Liquids | 193 |
10.1.1 | Verification of the Stress-Optical Rule | 193 |
10.1.2 | Rheometry of Polymeric Liquids | 195 |
10.1.3 | Applications in non-Newtonian Fluid Mechanics | 196 |
10.1.4 | Spectroscopic Investigations of Polymer Melts and Blends | 197 |
10.1.5 | Dynamics of Polymeric Liquids in Extensional Flow | 199 |
10.1.6 | Field-induced Phase Transitions | 201 |
10.1.7 | The Dynamics of Polymer Liquid Crystals | 204 |
10.1.8 | Applications to Thin Films | 207 |
10.2 | Colloidal Dispersions | 207 |
10.2.1 | Dilute Systems | 207 |
10.2.2 | Structure in Concentrated Dispersions | 208 |
10.3 | Case Study 1: Flow-induced Phase Separation in Polymer Solutions | 208 |
10.4 | Case Study 2: Dynamics of Multicomponent Polymer Melts Infrared Dichroism | 213 |
10.5 | Case Study 3: Orientation in Block Copolymers - Raman Scattering | 217 |
10.6 | Case Study 4: Local Orientational Dynamics - Two Dimensional Raman Scattering | 221 |
10.7 | Case Study 5: Spatially Resolved Stress Measurements in Non-Newtonian Flows | 225 |
Appendix I. | List of Jones and Mueller Matrices | 229 |
Appendix II. | Nomenclature | 237 |
References | 245 | |
Authors Cited | 257 | |
Index | 265 |
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