The Remarkable Fiber Optic Vision Of Charles Kao

摘要

Communications seemed an obvious use for the new-born laser in 1960. Telephone traffic had been growing for many years, and television had become commonplace. Telecommunications carriers seemed to have an endless thirst for bandwidth. Long-distance telephone traffic had outgrown copper cables, and since the early 1950s they had been installing chains of microwave relay towers to handle the growing load.