Search results for: generalized-lorenz-mie-theories

Generalized Lorenz Mie Theories

Author : Gérard Gouesbet
File Size : 21.40 MB
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This book explores generalized Lorenz–Mie theories when the illuminating beam is an electromagnetic arbitrary shaped beam relying on the method of separation of variables. The new edition includes an additional chapter covering the latest advances in both research and applications, which are highly relevant for readers. Although it particularly focuses on the homogeneous sphere, the book also considers other regular particles. It discusses in detail the methods available for evaluating beam shape coefficients describing the illuminating beam. In addition it features applications used in many fields such as optical particle sizing and, more generally, optical particle characterization, morphology-dependent resonances and the mechanical effects of light for optical trapping, optical tweezers and optical stretchers. Furthermore, it provides various computer programs relevant to the content.

Generalized Lorenz Mie Theories

Author : Gerard Gouesbet
File Size : 80.34 MB
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The Lorenz-Mie theory, describing the interaction between a homogeneous sphere and an electromagnetic plane wave, is likely to be one of the most famous theories in light scattering. But, with the advent of lasers and their increasing development in various fields, it has become too old-fashioned to meet most of the modern requisites. The book deals with generalized Lorenz-Mie theories when the illuminating beam is an electromagnetic arbitrary shaped beam, relying on the method of separation of variables. A particular emphasis is stressed on the case of the homogeneous sphere but other regular particles are considered too. An extensive discussion of the methods available to the evaluation of beam shape coefficients describing the illuminating beam is provided, and several methods are discussed. Applications concern many fields such as optical particle sizing and, more generally, optical particle characterization, morphology-dependent resonances, or mechanical effects of light for optical trapping, optical tweezers and optical stretchers. Various computer programs relevant to the contents of the book are furthermore provided.

Localized Approximation to the Generalized Lorenz Mie Theory and Its Application to Optical Sizing

Author : Gérard Gréhan
File Size : 41.41 MB
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Generalized Lorenz Mie Theories

Author : Gerard Gouesbet
File Size : 24.29 MB
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The Lorenz-Mie theory, describing the interaction between a homogeneous sphere and an electromagnetic plane wave, is likely to be one of the most famous theories in light scattering. But, with the advent of lasers and their increasing development in various fields, it has become too old-fashioned to meet most of the modern requisites. The book deals with generalized Lorenz-Mie theories when the illuminating beam is an electromagnetic arbitrary shaped beam, relying on the method of separation of variables. A particular emphasis is stressed on the case of the homogeneous sphere but other regular particles are considered too. An extensive discussion of the methods available to the evaluation of beam shape coefficients describing the illuminating beam is provided, and several methods are discussed. Applications concern many fields such as optical particle sizing and, more generally, optical particle characterization, morphology-dependent resonances, or mechanical effects of light for optical trapping, optical tweezers and optical stretchers. Various computer programs relevant to the contents of the book are furthermore provided.

Expressions to Compute the Coefficients Gmn in the Generalized Lorenz Mie Theory Using Finite Series

Author : Gérard Gouesbet
File Size : 55.69 MB
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Generalized Lorenz Mie Theory

Author : Denis Gagnon (Chercheur postdoctoral)
File Size : 46.60 MB
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Complex photonic media mold the flow of light at the wavelength scale using multiple scattering and interference effects. This functionality at the nano-scale level paves the way for various applications, ranging from optical communications to biosensing. This thesis is mainly concerned with the numerical modeling of photonic complexes based on twodimensional arrays of cylindrical scatterers. Two applications are considered, namely the use of photonic-crystal-like devices for the design of integrated beam shaping elements, as well as active photonic molecules for the realization of compact laser sources. These photonic structures can be readily analyzed using the 2D Generalized Lorenz-Mie theory (2D-GLMT), a numerical scheme which exploits the symmetry of the underlying cylindrical structures. We begin this thesis by presenting the electromagnetic theory behind 2D-GLMT.Other useful frameworks are also presented, including a recently formulated stationary version of theMaxwell-Bloch equations called steady-state ab initio laser theory (SALT).Metaheuristics, optimization algorithms based on empirical rules for exploring large solution spaces, are also discussed. After laying down the theoretical content, we proceed to the design and optimization of beam shaping devices based on engineered photonic-crystal-like structures. The combinatorial optimization problem associated to beam shaping is tackled using the genetic algorithm (GA) as well as tabu search (TS). Our results show the possibility to design integrated beam shapers tailored for the control of the amplitude, phase and polarization profile of the output beam. A theoretical and numerical study of the lasing characteristics of photonic molecules - composed of a few coupled optically active cylinders - is also presented. Using a combination of 2D-GLMT and SALT, it is shown that the physical properties of photonic molecule lasers, specifically their threshold, spectrum and emission profile, can be significantly affected by the underlying gain medium parameters. These findings are out of reach of the established approach of computing the meta-stable states of the Helmholtz equation and their quality factor. This dissertation is concluded with a research outlook concerning themodeling of disordered photonicmedia.

Journal of the Optical Society of America

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Optical Diagnostics of Particles Droplets

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File Size : 32.64 MB
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Proceedings ICALEO

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File Size : 79.10 MB
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Mathematical Reviews

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Complex Light and Optical Forces

Author : David L. Andrews
File Size : 86.74 MB
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Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.

Laser Sheet Scattering by Spherical Particles

Author : K. F. Ren
File Size : 77.16 MB
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This paper is devoted to the description of the interaction between a spherical particle and a laser sheet beam (Gaussian beam focussed by a cylindrical lens) by using the generalized Lorenz-Mie theory (GLMT). Comparisons between the scattering properties of laser sheet, Gaussian beam, and plane wave are carried out. (Author).

Optical Methods in Flow Particle Diagnostics

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File Size : 90.85 MB
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International Conference on Optical Storage Imaging and Transmission of Information

Author : Vi︠a︡cheslav Vasilʹevich Petrov
File Size : 31.2 MB
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High Temperatures High Pressures

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File Size : 52.43 MB
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Symposium on Turbulent Shear Flows

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File Size : 52.65 MB
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Radio Science

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File Size : 86.76 MB
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Proceedings of Optical Diagnostics of Biological Fluids III

Author : Society of Photo-optical Instrumentation Engineers
File Size : 59.3 MB
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This text addresses aspects of optical diagnostics of biological fluids. The main areas discussed are the optical diagnostics of blood and its components, and diagnostic methods and techniques for the assessment of biofluids parameters and clinical applications.

Introduction to Cell Mechanics and Mechanobiology

Author : Christopher R. Jacobs
File Size : 20.23 MB
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"Introduction to Cell Mechanics and Mechanobiology teaches advanced undergraduate students a quantitative understanding of the way cells detect, modify, and respond to the physical properties within the cell environment. Coverage includes the mechanics of single molecule polymers, polymer networks, two-dimensional membranes, whole-cell mechanics, and mechanobiology, as well as primer chapters on solid, fluid, and statistical mechanics"--Provided by publisher.

Motor Protein and Microtubule Mechanics

Author : Miriam W. Allersma
File Size : 90.50 MB
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