Project in about 500 words
Collect information about optical fibre.Based on this information. Explain the construction and working of a typical optical fibre.From resources on world wide Web, collect information about use of optical fibres in our country.
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Construction:
Optical fibre is a flexible transparent fibre made by silica which is slightly thicker than that of a human hair. Optical fibres are used to transmit light from one end to the other end of the fibres. It is used for data transmission in several kilometers. The fibre of ultra pure fused silica make excellent optic fibre but they are difficult to make and are costly.It is surrounded by a layer of glass with reflective index with lower than that of the fibres .This layer is called cladding.
Working:
The data transmission through fibre optics takes place as ray of light.It works on the principle of total internal reflection.
Optical fibre is a flexible transparent fibre made by silica which is slightly thicker than that of a human hair. Optical fibres are used to transmit light from one end to the other end of the fibres. It is used for data transmission in several kilometers. The fibre of ultra pure fused silica make excellent optic fibre but they are difficult to make and are costly.It is surrounded by a layer of glass with reflective index with lower than that of the fibres .This layer is called cladding.
Working:
The data transmission through fibre optics takes place as ray of light.It works on the principle of total internal reflection.
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