Optical fiber cables, how do they work? | ICT #3


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Optical fiber cables, how do they work? | ICT #3



Have you ever thought about how you get emails or any other information, from any corner of the world, within a blink of an eye? This has been made possible by a network of cables, which are laid under the ground and below the ocean. The cables, which carry most of the world’s data, are optical fiber cables. They are also used in medical equipment. Let’s learn how optical fiber cables work, and how they have revolutionized the world around us.

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Lesics

Lesics

42 Comments

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  1. That's interesting. So now question is how the light is converted into electrical signal whenever the light is reached at the destination? what is the mechanism used to convert that light into data (e.g. 101100). Can you please make more detail on that topic in another video or if there are already made video please share.

    Thanks for such exclusive interesting education.

  2. @Lesics can you do a video on optical amplifiers?!! I can't seem to find any visual explanations of the technology! But you channel does it best so I came here to ask

  3. Typically Optical fibers are 125 microns in diameter. That is just the glass not the 900 Micron protective coating. Multimode and single-mode. Multimode is used for short-distance single mode is used for long-distance, multimode is an LED single mode uses a laser. Multimode glass is expensive to create do to layers to keep internal refraction at a constant single-mode cable is cheaper due to it having a single path. Multimode components are cheaper connectors and equipment. Single-mode is more expensive due to the higher tolerances required for a laser.
    Single-mode core has a diameter of roughly 8.5 microns, multimode has a inner diameter of 62.5 microns they both have the outer cladding to help keep internal refraction going.
    Good job at explaining fiber optics are so fascinating

  4. 144,72,48,12,6,1 core pass to OLT(Optical Terminal Source) then pass to ODF(Optical Distribution Frrame)72core to POI(Point of Insertion) then connect to 6core to NAP box(Network Access Point) pass to 1/4 Spliter to 1/16 Spliter to Copler then to Single Core to subscriber