OPTICAL FIBER COMMUNICATION. Introduction . A communication system transmits information (voice, picture, data etc) from one place to another. Information is often modulated by carrier waves whose frequency can vary from a few megahertz to several hundred Terahertzes.
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If a ray is not within the acceptance cone defined by 2θ0 ,, it will be lost
Pravin R. Prajapati , AP , EC dept
(a) Photo Diode
(b) PIN Diode
(c) Avalanche Photo Diode