Technician Examines A Fibre Optic Cable
by Maximilian Stock Ltd/science Photo Library
Title
Technician Examines A Fibre Optic Cable
Artist
Maximilian Stock Ltd/science Photo Library
Medium
Photograph - Photograph
Description
Fibre optics. Technician examines experimental equipment used during research into data communication using fibre optic cables. A beam of green light is shining from the end of the cable (at lower centre). Optical fibres are made from flexible glass that has a high refractive index. Each fibre is then coated with an outer protective layer that has a low refractive index. The light beams that emerge from the end of each fibre have been completely internally reflected. The light may travel along the entire cable with little absorption. Bundles of optical fibres may be used to carry images, or high volumes of data such as telephone conversations.
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February 22nd, 2021
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