Fiber Optic Definition -What is Fiber? Fiber Optic Cable And Fiber Internet

Fiber Optic Definition –What is Fiber? Fiber Optic Cable And Fiber Internet 

“Fiber optic” is a technology in which signals are transformed from electrical into optical signals, transferred through a tinny glass fiber, and re-transformed into electrical signals.
‘definition’ -Fiber optic cable uses electrical signals to transfer data.It uses light.In fiber cable light simply travels in one road for two way communication to take place a second connection must be made among the devices.
It is truly two stands of fiber cable.Each position is responsible for one way of communication. A laser at one device sends beat of light through this fiber optic cable to another device.
These beats converted into “1’s” and “0’s” at the other end.

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Fig: Fiber Optics Cable

Fiber cable -Fiber cables consist of multiple strands of optic fibers, hair like strands of pure glass designed to transmit light. When hundreds or thousands of these elements are place at the same place, they are capable to transfer waves of light up to 60 miles. Electrical signals, for example television, voice or data signals, are transformed to high-quality optical signals manage an optical transmitter and directed at the speed of light, generating a fast, high-quality process of data communication. Fiber optic rope has bandwidth over 2 gbps (Gigabytes per second).

Fiber Optic Cable Structure – 

Fiber Optic cable, consists of following three major parts:

  1. Core
  2. Cladding
  3. Jacket
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  • Core: This is the bodily medium that passages fiber optical data signals from a close light source to a receiving machine. The core is a single incessant strand of glass or plastic that’s measured (in microns) by the volume of its external diameter.
  • Cladding: This is a narrow layer that surroundings the fiber core and serves as a borderline that holds the light waves and reasons the refraction, allowing data to move throughout the range of the fiber segment.
  • Jacket: This is the external coat of any cable. Maximum fiber optic cables have an orange cover, while some may be black or yellow.

Characteristics of Fiber Optic Cable And Fiber Internet

  1. Expensive.
  2. Very hard to install.
  3. Capable of extremely low attenuation.
  4. No EMI and RFI.
  5. Speed of light.
  6. Digital Signals.
  7. Strong and flexible.
  8. No electric currents flow.
  9. Security and privacy.
  10. Less corrosion caused by water or chemicals.

Advantages of Fiber Optic Cable And Fiber Internet

  • High-Quality
  • Fast
  • Low attenuation
  • No EMI interference
  • Thinner
  • Higher Carrying capacity
  • Less signal degradation
  • Light signals
  • Low Power
  • Digital signals
  • Non-flammable
  • Lightweight
  • Flexible

Disadvantages of Fiber  –

  • Very Expensive
  • Hard to install
  • Difficult for splicing or joining
  • No ability to transfer power
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Classification of Fiber Optical Clable –

Optical Fibers mainly classified according to the following two:

  1. Single Mode ‘Fiber ‘.
  2. Multimode ‘Fiber ‘.

Fiber optic Internet -Multimode Fiber cable has a huge diametric core that permits multiple modes of light to broadcast. This submission is normally used for small distance, data and audio/video uses in LANs. (fiber Internet)

Multimode Fiber Optic is classified into another two types as follows:

  1. Step-index multimode: Step-index fiber is a fiber in which the core is of a uniform refractive index and there is a sharp decrease in the index of refraction at the covering This kind of fiber is best appropriate for broadcast over small distances.
  2. Graded-index multimode: Graded –index fiber is a type of fiber where the refractive index of the core is lower toward the outside of the fiber optic. This kind of fiber is appropriate for local-area networks.
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Uses Of Fiber Optic Cable Fiber Internet –

  • Mechanical and Medical imaging
  • Electrical transmission
  • Communications
  • Data transmission
  • Cable television
  • Internet
  • Networking
  • Gigabit Ethernet
  • Harsh Environment
  • Military
  • Aerospace and Avionics
  • Unmanned Aerial Vehicles
  • Data storage Equipment
  • Simulation and Illumination
  • Broadcast
  • Diagnostics and Troubleshooting
  • Network or signal simulation
  • Premise Networks
  • Carrier Networks
  • Independent Telecommunication Providers
  • Semiconductor Equipment
  • Network and Electronics Equipment
  • Automotive Applications
  • Sensing Applications
  • Oil and gas Field
  • FTTx (Fiber To The X, i.e Fiber To The Home, Fiber To The curb etc.)
  • HDTV (High definition television)
  • CATV (cable television system)
  • Education and Institutions
  • Ship to Shore
  • Space environments

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1 Response

  1. Xavier James says:

    Hey Fahim,
    Thank you for writing a detailed piece on the optical fiber. The demand of optical fiber is taking up the world by storm. Telecom industry is heavily relying on optical fiber for their 5G operations.

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