Source: http://EzineArticles.com/6303865
Thursday, June 2, 2011
What Is Fiber Optics?
About one and a half decades ago, most electronic communication was carried out with the help of copper cables which were in the form of twisted pairs, coaxial cables or copper waveguides. Communication was achieved by sending electrical signals through the copper cable. In recent years, a new medium called optical fibers (OF) has been introduced. In OF communication, light signals are used instead of electrical signals.
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