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Fibre

​Fibre-optic communication is a method of transmitting information from one place to another by sending pulses of infrared light[1] through an optical fibre. The light is a form of carrier wave that is modulated to carry information.[2] Fibre is preferred over electrical cabling when high bandwidth, long distance, or immunity to electromagnetic interference is required.[3] This type of communication can transmit voice, video, and telemetry through local area networks or across long distances.[4]

Optical fibre is used by many telecommunications companies to transmit telephone signals, Internet communication, and cable television signals. Researchers at Bell Labs have reached a record bandwidth–distance product of over 100 petabit × kilometers per second using fibre-optic communication.[5]

​Mansfield is a market town in Nottinghamshire, England, the main town in the District of Mansfield and Mansfield Urban Area.[1] Mansfield gained the Royal Charter of a market town in 1227. The town lies in the Maun Valley, 12 miles (19 km) north of Nottingham, and is near Sutton-in-Ashfield. Most of the 106,556 population live within the town proper (including Mansfield Woodhouse), with Market Warsop as a secondary centre.[2] It is the only local authority in Nottinghamshire directly to elect its mayor.