Q.Mention few applications of fiber optic communication systems.

Because a single light beam in a fibre can carry many thousands of signals with almost limitless bandwidth, fibre optic communication is used wherever large, reliable, interference-free data transfer is needed. …

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Fibre optic communication is used for long-distance telephony/TV, LANs, ship/aircraft links, secure military links, instrumentation, CCTV security and the internet.

Fibre optic communication offers very wide bandwidth and immunity to electrical interference, so it is used in many fields. A few of its applications are: long-distance telephone and cable TV transmission; connecting computers in a local area network (LAN); shipboard communication and aircraft communication and controls; interconnecting a TV studio to its transmitter; secure communication at military bases; interconnection of measuring and monitoring instruments in plants and laboratories; nuclear-plant instrumentation; communication across a college campus; closed-circuit TV systems for building security …