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Ray, wave and quantum concepts are central to diverse and seemingly incompatible models of light. Each model particularizes a specific ''manifestation'' of light, and then corresponds to adequate physical assumptions and formal approximations, whose domains of applicability are well-established. Accordingly each model comprises its own set of geometric and dynamic postulates with the pertinent mathematical means.At a basic level, the book is a complete introduction to the Wigner optics, which bridges between ray and wave optics, offering the optical phase space as the ambience and the
Wave theory of light. --- Wigner distribution. --- Geometrical optics --- Mathematics. --- Optics, Geometrical --- Optics --- Distribution (Probability theory) --- Racah algebra --- Light, Wave theory of --- Wave-motion, Theory of --- Wave-particle duality
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This book introduces the optical frequency-modulated continuous-wave (FMCW) interferometry - a new field of optics that is derived from radar. The study of optical FMCW interference not only updates our knowledge about the nature of light, but also creates an advanced technology for precision measurements. The principles, applications and signal processing of optical FMCW interference are systematically discussed. This book is intended for scientists and engineers in both academia and industry. It is especially suited to professionals who are working in the field of measurement instruments.
Interference (Light) --- Interferometry. --- Light, Wave theory of. --- Interference (Lumiere) --- Interférométrie --- Lumiere, Theorie ondulatoire de la --- Electronic books. -- local. --- Interference (Light). --- Wave theory of light. --- Physics --- Physical Sciences & Mathematics --- Light & Optics --- Light, Wave theory of --- Newton's rings --- Physics. --- Optics, Lasers, Photonics, Optical Devices. --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Optical measurements --- Light --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Lasers. --- Photonics. --- New optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators
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Light and Vacuum presents a synthesis of selected fundamental topics of electromagnetic wave theory and quantum electrodynamics (QED) and analyzes the main theoretical difficulties encountered to ensure a coherent mathematical description of the simultaneous wave–particle nature of light, put in evidence by the experiments. The notion and the role of the quantum vacuum, strongly related to light, are extensively investigated. Classical electrodynamics issued from Maxwell's equations revealed the necessity of introducing the notion of volume for an electromagnetic wave to stand entailing precise values of cut-off wavelengths to account for the shape and dimensions of the surrounding space. Conversely, in QED, light is considered to be composed of point particles disregarding the conceptual question on how the frequency of oscillating electric and magnetic fields may be attributed to a point particle. To conciliate these concepts, the book provides a comprehensive overview of the author's work, including innovative contributions on the quantization of the vector potential amplitude at a single photon state, the non-local simultaneous wave–particle mathematical representation of the photon and finally the quantum vacuum. The purpose of the advanced elaborations is to raise questions, give hints and answers, and finally aspire for further theoretical and experimental studies in order to improve our knowledge and understanding on the real essence of Light and Vacuum.
Electromagnetic theory. --- Wave theory of light. --- Vacuum. --- Quantum electrodynamics. --- Electrodynamics, Quantum --- QED (Physics) --- Quantum field theory --- Schwinger action principle --- High vacuum technique --- Electric discharges through gases --- Light, Wave theory of --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Light, Electromagnetic theory of --- Electric fields --- Magnetic fields
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This book deals concisely and coherently with various issues related to electroacoustic waves in piezoelectric layered composites. Starting with the basic linear equations and relations of electromagnet elasticity of homogeneous anisotropic piezoelectric media, the book considers the conditions for possible field or partial conjugation of physical and mechanical fields at the junction of two homogeneous media with geometrically homogeneous surfaces. The variety of electromechanical boundary conditions and the separation of plane and anti-plane fields of elastic deformation in homogeneous piezoelectric crystals are discussed. Then, the statements of the electroacoustic problem in piezo textures are studied and a layered piecewise-homogeneous piezoelectric waveguide is introduced, with non-acoustic contact between different piezoelectric layers. Non-acoustic contact between different piezoelectric layers can lead to the propagation of a hybrid of electroactive waves of plane and anti-plane elastic deformations. In the last part of the book, the problem of controlling electroacoustic waves in a waveguide is formulated. A method for solving problems of control of electroacoustic waves by non-contact surface action is proposed. .
Continuum mechanics. --- Electronics—Materials. --- Geometrical optics. --- Wave theory of light. --- Acoustics. --- Continuum Mechanics. --- Electronic Materials. --- Classical Optics, Geometric and Wave optics. --- Light, Wave theory of --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Optics, Geometrical --- Mechanics of continua --- Elasticity --- Mechanics, Analytic --- Field theory (Physics)
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Classical asymptotic expansions, while producing a good approximation for the diffracted fields in general, appear hardly applicable in the case of extremely elongated bodies. Thus, there are problems that are on the one hand too difficult for numerical solvers due to large system size, and on the other hand make the description with classical asymptotic methods hard. The book explains why this happens and suggests the way out. By defining the characteristics of a strongly elongated body it introduces a special class of asymptotic approximations, which are in some sense uniform with respect to the rate of body elongation. Chapter 1 briefly describes the results of V. A. Fock and further developments of his approach towards the problems of diffraction by elongated obstacles. It formulates the cases of moderately and strongly elongated bodies. The rest of the book describes the approach of special parabolic equations, which lead to new asymptotic approximations for the diffracted fields. Chapters 2, 3 and 4 discuss diffraction by bodies of elliptical shape: The elliptic cylinder with a strongly elongated cross section and prolate spheroid with a high aspect ratio. Chapter 5 generalizes the approach to some other shapes such as narrow cones and narrow hyperboloids. Mathematical formulas for the Whittaker functions widely used in the book are collected in the Appendix. The concise derivations are supplied with numerous test examples that compare asymptotic approximations with numerically computed fields and clarify the specifics of high frequency diffraction by strongly elongated bodies. The reference solutions presented in the book enable one to validate the newly developed numerical solvers.
Geometrical optics. --- Wave theory of light. --- Electrodynamics. --- Mathematical physics. --- Acoustics. --- Classical Optics, Geometric and Wave optics. --- Classical Electrodynamics. --- Mathematical Methods in Physics. --- Physical mathematics --- Physics --- Mathematics --- Dynamics --- Light, Wave theory of --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Optics, Geometrical --- Diffraction. --- Light
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The main aim of this book is to shine a spotlight on key experiments and their crucial importance for advancing our understanding of physics. Physics is an empirical science, and experiments have always been a driving force in the development of our understanding of nature. Facts matter. In that sense, the book attempts to be complementary to the many popularizations of theoretical physics, and to counterbalance the frequent emphasis there on more speculative ideas. Experimental physics is also an essential pillar in physics teaching, as well as helping broader audiences to better understand important concepts, particularly in challenging fields such as relativity or quantum physics, where our common sense intuition often fails. Readers are taken on an historical journey, starting with “Free Fall” and culminating in “Spooky Action at a Distance”. En route they will encounter many important branches of physics, whose main ideas and theoretical description will be given a more empirical meaning. At the end, the reader is invited to reflect on what could be exciting and important directions for fundamental physics. All readers with an undergraduate degree in physical sciences or engineering will enjoy and learn much from this stimulating and original text.
Physics --- Experiments. --- Philosophy. --- Gravitation. --- Quantum physics. --- Geometrical optics. --- Wave theory of light. --- Electrodynamics. --- Optical spectroscopy. --- Nuclear physics. --- Gravitational Physics. --- Quantum Physics. --- Classical Optics, Geometric and Wave optics. --- Classical Electrodynamics. --- Optical Spectroscopy. --- Nuclear and Particle Physics. --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Atomic nuclei --- Atoms, Nuclei of --- Nucleus of the atom --- Spectroscopy, Optical --- Visible spectroscopy --- Spectrum analysis --- Dynamics --- Light, Wave theory of --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Optics, Geometrical --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Mechanics --- Thermodynamics --- Properties
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This book serves as an introductory text for students and engineers with limited knowledge of metamaterials (and elastic waves). This text begins with the most straightforward vibrating systems, such as single and 2-DOF spring-mass systems. It examines the observed phenomena in 2-DOF systems in an unconventional manner to prepare the reader for research on metamaterials. After presenting wave phenomena in an infinitely connected spring-mass system, an elastic bar, a continuous version of an infinite system, is analyzed. This instructional strategy, which progresses from the discrete model to the continuous model, facilitates efficient comprehension of wave and metamaterial concepts. Using continuous and discrete one-dimensional models, bending waves and their manipulation through metamaterials are also discussed. In the latter chapters of this book, advanced readers are introduced to the fundamental wave phenomena in two-dimensional media and wave manipulation using metamaterials, such as mode-converting transmission. As wave phenomena are the fundamental phenomena in vibrating structures, those interested in acoustics and vibration would gain a great deal of knowledge from this book, as the material covered in it offers a very different perspective on oscillatory phenomena than what is typically found in books on acoustics and vibration. Because this book presents a new technique for manipulating waves using metamaterials, engineers and scientists who work with (ultra)sounds and structural vibrations would find it very useful for expanding their knowledge of relevant topics.
Plasma waves. --- Metamaterials. --- Telecommunication. --- Photonics. --- Geometrical optics. --- Wave theory of light. --- Waves, instabilities and nonlinear plasma dynamics. --- Microwaves, RF Engineering and Optical Communications. --- Ultrafast Photonics. --- Classical Optics, Geometric and Wave optics. --- Light, Wave theory of --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Optics, Geometrical --- New optics --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Meta materials --- Composite materials --- Electromagnetism --- Plasma sound waves --- Acoustic surface waves --- Magnetohydrodynamics --- Plasma (Ionized gases) --- Waves --- Elastic waves.
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This book highlights the dynamical behavior of self-similar waves in asymmetric dual-core waveguides. The proposed dual-core waveguide consists of two closely spaced adjoining fibers in which one fiber is active and the other is passive. Due to the linear coupling between them, the dynamics of the wave propagating through the passive core can be controlled by manipulating the dynamics of the wave propagating in the active core. The optimal pulse compression or amplification of these waves as the length of the fiber tends to infinity is presented. The exact Mobius transform self-similar solutions that propagate through these waveguides self-similarly are subject to simple scaling rules. The book includes experiments conducted to corroborate the analytical predictions.
Geometrical optics. --- Wave theory of light. --- Physics. --- Telecommunication. --- Nonlinear Optics. --- Classical Optics, Geometric and Wave optics. --- Applied and Technical Physics. --- Microwaves, RF Engineering and Optical Communications. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Light, Wave theory of --- Optics --- Wave-motion, Theory of --- Wave-particle duality --- Optics, Geometrical --- Optics, Nonlinear --- Lasers --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Wave guides. --- Wave guides --- Design --- Data processing. --- Waveguides --- Electric conductors --- Electric waves --- Electromagnetic waves --- Gyrators --- Microwave transmission lines --- Radio --- Transducers --- Equipment and supplies
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