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What is the difference between multimode and singlemode fibre?

April 26, 2017difference fibre MultiMode singlemode

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What is the difference between multimode and singlemode fibre?

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Multimode fibre has a relatively large light carrying core usually 50 or 62.5 microns in diameter. It is normally used for short distance transmissions with LED based optical fibre equipment and has limitations in regards to bandwidth capacity and distance. Singlemode fibre has a smaller light carrying core of 8 to 10 microns in diameter. It is used for large bandwidth transmissions over longer distance with laser diode based optical fibre transmission equipment.