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Record Nr. |
UNINA9910830129903321 |
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Titolo |
Free-space optics [[electronic resource] ] : propagation and communication / / Olivier Bouchet ... [et al.] |
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Pubbl/distr/stampa |
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London ; ; Newport Beach, CA, : ISTE, 2006 |
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ISBN |
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1-280-51054-4 |
9786610510542 |
1-84704-452-2 |
0-470-61209-6 |
0-470-39441-2 |
1-84704-552-9 |
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Descrizione fisica |
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1 online resource (221 p.) |
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Collana |
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Altri autori (Persone) |
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Disciplina |
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621.36 |
621.382/7 |
621.3827 |
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Soggetti |
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Free space optical interconnects |
Optical communications |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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First published in France in 2004 by Hermes Science/Lavoisier entitled "Optique sans fil: propagation et communication." |
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Nota di bibliografia |
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Includes bibliographical references (p. [209]-215) and index. |
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Nota di contenuto |
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Free-Space Optics; Table of Contents; Introduction; Chapter 1. History of Optical Telecommunications; 1.1. Some definitions; 1.1.1. Telecommunication; 1.1.2. Optical transmission; 1.1.3. Radio or Hertzian waves; 1.2. The prehistory of telecommunications; 1.3. The optical air telegraph; 1.4. The code; 1.5. The optical telegraph; 1.6. The heliograph or solar telegraph: a portable telecommunication system; 1.7. Alexander Graham Bell's photophone; Chapter 2. Basic Principles of Electromagnetism; 2.1. Introduction; 2.2. Maxwell's equations in an unspecified medium |
2.3. Propagation of electromagnetic waves in an isotropic and linear homogeneous medium2.4. Energy associated with a wave; 2.5. Propagation of a wave in a non-homogeneous medium; 2.6. Coherent and incoherent waves; 2.7. Relations between classical electromagnetism and geometrical optics; 2.8. The electromagnetic |
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spectrum; 2.9. Units and scales; 2.10. Examples of sources in the visible light and near visible light; 2.11. Conclusion; Chapter 3. Emission and Reception of Optical Beams; 3.1. Foreword; 3.2. Introduction; 3.3. Radiometry: basic concepts |
3.4. Optical spectral windows, materials and eye-safety3.5. Transmitters; 3.5.1. Broad spectrum incoherent light emitting diodes; 3.5.1.1. Structures; 3.5.1.2. Near and far field patterns; 3.5.1.3. Spectral characteristics; 3.5.1.4. Electrical and optical characteristics; 3.5.2. Laser diodes: high radiant power output, coherent waves; 3.5.2.1. Structures; 3.5.2.2. "(Φtransmitted )/(Iinjected) characteristic": static and dynamic; 3.5.2.3. Spectra and near field patterns; 3.5.2.4. Spectral and modal instabilities and light intensity noise |
3.5.3. Use of amplifiers with "rare earth ion" doped fibers3.6. Photodetectors; 3.6.1. Optical spectral range and materials; 3.6.2. Principle of operation and structures; 3.6.2.1. Surface phenomena: optical reflection, charge mobility and current leakage; 3.6.2.2. Absorption and conduction: semiconductor junctions; 3.6.3. Responsivity, response time, junction capacity and dark current; 3.6.4. Photomultipliers and semiconductor avalanche photodiodes; Chapter 4. Line of Sight Propagation; 4.1. Influence of the propagation environment; 4.1.1. Atmospheric absorption; 4.1.2. Atmospheric scattering |
4.1.3. Extinction and total spectral transmission4.1.4. Earth's atmosphere; 4.1.4.1. Atmospheric composition; 4.1.4.2. Aerosols; 4.2. Visibility; 4.2.1. Generalities; 4.2.1.1. Definitions; 4.2.1.2. Units and scales; 4.2.1.3. Meteorology needs; 4.2.1.4. Measurement methods; 4.2.2. Visual estimate of the meteorological optical range; 4.2.2.1. General; 4.2.2.2. Estimate of the day time meteorological optical range; 4.2.2.3. Estimate of the night time meteorological optical range; 4.2.2.4. Estimate of the meteorological optical range in the absence of distant reference markers |
4.2.3. Meteorological optical range measurement instruments |
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Sommario/riassunto |
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Free space optics is a telecommunications technique which is already being used for everyday exchange of information and has many advantages over other techniques (bandwidth, low cost, mobility of the equipment, security, etc.); within the next decade, it is likely to become an integral and essential part of data-processing architectures and telecommunications.A history of wireless optical telecommunications is given, together with a recapitulation of the application of the principles of electromagnetism to free-space optics. Coverage is also given to the transmitters and receivers of opti |
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2. |
Record Nr. |
UNINA9910337689303321 |
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Titolo |
Science and Sensibilia by W. V. Quine : The 1980 Immanuel Kant Lectures / / edited by Robert Sinclair |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Palgrave Macmillan, , 2019 |
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ISBN |
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Edizione |
[1st ed. 2019.] |
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Descrizione fisica |
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1 online resource (XIV, 210 p. 1 illus.) |
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Collana |
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History of Analytic Philosophy, , 2634-6001 |
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Disciplina |
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Soggetti |
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Analysis (Philosophy) |
Language and languages - Philosophy |
Knowledge, Theory of |
Ontology |
Philosophy - History |
Analytic Philosophy |
Philosophy of Language |
Epistemology |
History of Philosophy |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Editor's Introduction -- PART I: THE LECTURES -- Lecture I. Prolegomena: Mind and Its Place in Nature -- Lecture II. Endolegomena: From Ostension to Quantification -- Lecture III. Endolegomena loipa: The Forked Animal -- Lecture IV. What is it All About? -- PART II: INTERPRATIVE ESSAYS -- Quine and the Kantian Problem of Objectivity, Gary Kemp -- Quine on the Norms of Naturalized Epistemology, Gary Ebbs -- Quine's Ding an sich: Proxies, Structure, and Naturalism, Paul Gregory -- "Mental States are like Diseases" Behaviourism in the Immanuel Kant Lectures, Sander Verhaegh -- Quine, Ontology, and Physicalism, Frederique Janssen-Lauret. |
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Sommario/riassunto |
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In this book, W. V. Quine's Immanuel Kant Lectures entitled Science and |
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Sensibilia are published for the first time in English. These lectures represent an important stage in the development of Quine's later thought, where he is more explicit about the importance of physicalist constraints in his account of the steps from sensory stimulation to scientific theory, and in further using them to assess the extent to which mental vocabulary is defensible. Taken as a unit, these lectures fill an important gap in our understanding of his philosophical development from his 1973 work The Roots of Reference to his later work. The volume further contains an introduction that outlines the content and philosophical significance of the lectures. In addition, several essays written by leading scholars of Quine's philosophy provide further insight into the important issues raised in the lectures. Robert Sinclair is Professor of Philosophy in the Faculty of International Liberal Arts at Soka University, Tokyo, Japan. He is the author of several papers on Quine and Dewey. Currently he is working on a book manuscript that examines the influence of C.I. Lewis' conceptual pragmatism on Quine's early philosophical development. . |
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