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Download PDF by Gerald G. Fuller: Optical Rheometry of Complex Fluids

By Gerald G. Fuller

ISBN-10: 0195097181

ISBN-13: 9780195097184

This e-book presents a self-contained presentation of the optical equipment used to degree the constitution and dynamics of complicated fluids which are topic to the impression of exterior fields. Such fields - hydrodynamic, electrical, and magnetic - are quite often encountered in either educational and business learn, and will produce profound alterations within the microscale homes of beverages made out of polymers, colloids, liquid crystals, or surfactants. beginning with the elemental Maxwell box equations, this e-book discusses the polarization houses of sunshine, together with Jones and Mueller calculus, after which covers the transmission, mirrored image, and scattering of sunshine in anisotropic fabrics. Spectroscopic interactions with orientated structures corresponding to absorptive dichroism and Raman scattering are mentioned, besides small and huge attitude gentle scattering played within the presence of exterior fields. purposes of those how to quite a lot of difficulties in advanced fluid dynamics and constitution are awarded, with chosen case reports selected to clarify the variety of suggestions and fabrics that may be studied. because the simply e-book of its type to provide a self-contained description of optical tools used for the total variety of advanced fluids, this paintings may be of distinct curiosity to a variety of readers, together with chemical engineers, actual chemists, physicists, polymer and colloid scientists, in addition to graduate and post-graduate researchers.

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Additional info for Optical Rheometry of Complex Fluids

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An additional subscript, (0,1), has been added to denote whether the electric field exists either at the inside front surface of a film, or at the inside back surface of a film, respectively. In both cases, these interactions induce the following linear transformations: where the 2x2 matrices, L( and K. (. + , , describe the optical properties of the film i and the interface i, i + 1, respectively. 1 Stratified films of isotropic materials. Each film is characterized by a refractive index, n-, and thickness, d-.

6. 2 concerned a material with the following optical characteristics: e.. , |J,.. , £.. ySr, and £V. = 0. , couples the electric and magnetic fields and forces a rotation of linearly polarized light as it propagates through the sample. 29), the Jones matrix is where the exponential prefactor, e ^ Materialsre exhibiting this behavior are called optically active and include chiral molecules and molecules with helical structures. It is of interest to consider the response of circularly polarized light to optically active materials.

Linear birefringence, N 3 . 4. Linear dichroism, N 4 . 5. Circular birefringence, N5 . 6. Circular dichroism, N 6 . , J6 of the individual optical effects. 7 Material possessing a superposition of optical anisotropies. Each lameUa is characterized by a specific optical effect. 48) is not important. This will be true if the thickness, /, of each lamella is sufficiently small. 52) satisfies the requirement that the ordering of the lamellae will not affect the final result. Furthermore, the differential propagation Jones matrix for a composite material is simply the sum of the matrices, N ; , for each of the separate optical effects.

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Optical Rheometry of Complex Fluids by Gerald G. Fuller


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