Free-Space Optics: Propagation and Communication (ISTE)

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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 optical beams, whih are the basis of any optical communication system. These devices were responsible for the first truly significant advances in the performance of these systems.Special attention is given to the problems associated with the propagation of photons, both in the presence and absence of obstacles, since these are key issues in gaining an understanding of future telecommunication systems based on wireless optics. Finally, the authors considwer standards, as well as safety and confidentiality issues.

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Olivier Bouchet works in the field of free-space optics at France Telecom Research and Development.Hervé Sizun is a specialist of the electromagnetic wave propagation at France Telecom.Christian Boisrobert is one of the designers of the first digital link using optical fibres in France at France Telecom. He is a professor at the University of Nantes.Frédérique de Fornal is the director of Research at CNRS and is Head of the Near Field Optics Group at the University of Bourgogne.Pierre-Noël Favennec works as a consultant engineer and is the author of numerous scientific books and papers. He is also the Chairman of URSI France.