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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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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 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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