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Fibre Optics Presentation
Transcript of Fibre Optics Presentation
Fibre optics are small, semi-flexible, clear wires made out of glass
Each individual wire is about the size and width of a piece of human hair, but are bundled into larger cables How do fibre optics work? Fibre optic cables work by total internal reflection
This means that the light is bouncing back and forth off the boundary between the core and cladding like a reflection in a mirror How Fibre Optics are Used Transmitter- Produces and encodes light signals
Optical Fibre- Conducts the light signals over a long distance
Optical Regenerator- May be necessary to boost signal over long distances
Optical Receiver- Receives and decodes light signals Why are fibre optics important? The Fresh Prince of Fibre Optics Today's presentation on fibre optics will explain
What fibre optics are
How they work
How they are made
How they are used
Why they are important There is a fill in the blanks worksheet that was handed out, and if you complete it correctly, you will win candy! A fibre optic cable is made out of 4 parts:
Core- Many wires bundled together
Cladding - A coating of silica which protects from data loss
Layer of plastic - Covers and reinforces the core and cladding
Cable Jacket - identical to those found on any other cables, it protects inside of cable Data Transmission How Fibre Optics are Made For long distances, the time it takes to transmit data is greatly decreased through fibre optics, as light travels at 300,000 km/second Fibre optics are much more effective than traditional copper wires because copper wires lose data as they go along Medical Uses For short distances, fibre optics help by saving space in duct work Because fibre optic cables are able to bend, medical professionals are able to use them to shine light and record video in parts of the body that might otherwise be hard to see Endoscope Recreational Uses Since fibre optics look so cool, they are often used in illumination projects This is very useful in surgeries and other more invasive procedures Fibre optics cables have a very high resistance to heat (450°F) because they are made of glass They offer a much more effective alternative to traditional copper wires Written by: Celine Jalalifar & Hannah Hutchinson Video edited by: Samanta Smith Are immune to electromagnetic interference