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2. Plastic optical fiber - Wikipedia

   en.wikipedia.org/wiki/Plastic_optical_fiber

   Plastic optical fiber. Plastic optical fiber ( POF) or polymer optical fiber is an optical fiber that is made out of polymer. Similar to glass optical fiber, POF transmits light (for illumination or data) through the core of the fiber. Its chief advantage over the glass product, other aspect being equal, is its robustness under bending and ...

3. Fiber-optic cable - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_cable

   A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry light. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable is used.

4. Optical fiber - Wikipedia

   en.wikipedia.org/wiki/Optical_fiber

   An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light [a] from one end to the other. Such fibers find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables.

5. Fiber-optic communication - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_communication

   Fiber cable types A cable reel trailer with conduit that can carry optical fiber Multi-mode optical fiber in an underground service pit. An optical fiber cable consists of a core, cladding, and a buffer (a protective outer coating), in which the cladding guides the light along the core by using the method of total internal reflection.

6. Coaxial cable - Wikipedia

   en.wikipedia.org/wiki/Coaxial_cable

   Coaxial cable, or coax (pronounced / ˈkoʊ.æks / ), is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric ( insulating material); many coaxial cables also have a protective outer sheath or jacket. The term coaxial refers to the inner conductor and ...

7. Cable television in the United States - Wikipedia

   en.wikipedia.org/wiki/Cable_television_in_the...

   Cable television first became available in the United States in 1948. [1] By 1989, 53 million U.S. households received cable television subscriptions, [2] with 60 percent of all U.S. households doing so in 1992. [3] Most cable viewers in the U.S. reside in the suburbs and tend to be middle class; [4] cable television is less common in low ...