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单词 multimode fibre
释义
multimode fibre

Physics
  • An optical fibre in which there is a relatively large glass core of about 50 μm‎ in diameter surrounded by material with a smaller refractive index than the core. The value of the refractive index in the surrounding material can either suddenly drop or gradually drop to a lower value than that of the core.


Internet
  • Fibre optic cabling where many different rays of light bounce around the cable at different angles of incidence. This contrasts with single-mode fibre.


Electronics and Electrical Engineering
  • An optical fibre with a core diameter many times the wavelength of the light, so that multiple modes of the optical transmission line are excited. This type of fibre has much greater dispersion than single-mode fibre, but due to the larger diameter, it is much easier to launch significant quantities of light into multimode fibre and easier to connect the fibre. Most fibre to a desktop system uses multimode fibre.


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