How Fiber Optics Works?

Traditional systems like landline telephones transmit information using wire cables. Fiber optic systems are much more precise, sending information coded in a beam of light down a glass or plastic pipe. Fiber optic cables are made up of many strands of glass or plastic that are thinner than a strand of human hair. Information is coded into pulses of light at one end of the transmission and decoded back into electrical information at the receiving end.