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While Bell Labs and others tried to send laser beams through the atmosphere or hollow light pipes, a small group at Standard Telecommunication Laboratories looked at guiding light by transparent fibers. Led by Charles K. Kao, they proposed the idea of fiber-optic communications and demonstrated that contrary to what many researchers thought glass could be made clear enough to transmit light over great distances. Following these ideas, Corning Glass Works developed the first low-loss glass fibers in 1970. From this point fiber-optic communications developed rapidly. The first experimental phone links were tested on live telephone traffic in 1977 and within half a dozen years long-distance companies were laying fiber cables for their national backbone systems. In 1988, the first transatlantic fiber-optic cable connected Europe with North America, and now fiber optics are the key element in global communications. The story continues today as fiber optics spread through the communication grid that connects homes and offices, creating huge information pipelines and replacing copper wires. The book concludes with a look at some of the exciting potential developments of this technology.
Tells the story of fiber optics, tracing its transformation from a 19th-century parlor trick to the foundation of our global communication network. Written for a broad audience by a journalist who has covered the covered the field for twenty years.
Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.
Tells the story of fiber optics, tracing its transformation from a 19th-century parlor trick to the foundation of our global communication network. Written for a broad audience by a journalist who has covered the covered the field for twenty years.
Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.