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Lasers and Fiber Optics


If necessity is the mother of invention, the odds of a breakthrough in telecommunications were rising fast as the 20th century passed its midpoint. Most long-distance message traffic was then carried by electrons traveling along copper or coaxial cables, but the flow was pinched and expensive, with demand greatly outstripping supply. Over the next few decades, however, the bottlenecks in long-haul communications would be cleared away by a radically new technology.


     Lasers and Fiber Optics
     The Idea
     Working Lasers
     New Applications
     Optical Fiber
     Gossamer Web
     Essay - Charles H. Townes

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