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Fiber Cable


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What are fiber optic cables?

Fiber Optic cables transmit more information to longer distances taking lesser transmission time than copper transmission. They have numerous advantages over copper and wireless transmission.

Advantages of fiber optic cables:

          Speed - Fiber cables are capable of high speed data transmission- up into the gigabits.

          Bandwidth - They have large carrying capacity.

          Resistance to Interference - Fiber optic cables offer high resistance to nearby interference caused by radios or other cables.

          Low Maintenance - Maintenance costs are quite low for fiber optic cables.

          No Risk of Fire - Since there is no transmission of electricity whatsoever, there is zero risk of fire hazards.

Types of fibre optic cables

These are of two types: Singlemode and Multimode

Singlemode: Singlemode fiber cable has a smaller core diameter than multimode which is typically between 8.3 to 10 µm. Only one mode propagates usually at 1310 or 1550 nm. Singlemode fiber cable can carry higher bandwidth, although it needs a narrow spectral width for that. Since singlemode fiber has a smaller core as compared to multimode which enables the highest speed transmissions with minimal attenuation and low distortion as there is no overlapping of light pulses.

Multimode: Multimode fibre cable has a bigger core size. Usually the diameter is 50 or 62.5 µm. Unlike singlemode, lights waves are dispersed into numerous modes in multimode while they travel through the core of cable which is usually 850 or 1300 nm. In long fiber cables this can cause distorted signal at the receiving end.