Salient Features of Fibre Optics

The salient features are as follows: (a)       Wide Band Width.   It can accommodate number of channels through one media. AT&T’s cable can handle 6000 simultaneous telephone calls, through a pair of cable. Latest WT-4 cable which is made by Bell Labs can handle 2,30,000 channels through a single pair of line. It can handle 2MB/Sec (Million Bits/Sec). With this rate 30 volume of 20th Century Chamber’s Dictionary (1700 pages) can be transmitted in less than a sec. (b)       Attenuation.     In earlier days from 10 db/ km to 2 db/ km attenuation was brought and…

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