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Thursday, April 29, 2010

Fiber optic cable

Fiber optic cable
Light is kept in the core of the optical fiber by total internal reflection. This causes the fiber to act as a waveguide. Fibers which support many propagation paths or transverse modes are called multi-mode fibers (MMF), while those which can only support a single mode are called single-mode fibers (SMF). Multi-mode fibers generally have a larger core diameter, and are used for short-distance communication links and for applications where high power must be transmitted. Single-mode fibers are used for most communication links longer than 550 meters (1,800 ft).
Joining lengths of optical fiber is more complex than joining electrical wire or cable. The ends of the fibers must be carefully cleaved, and then spliced together either mechanically or by fusing them together with an electric arc. Special connectors are used to make removable connections.
Cable jetting
Data cable
Fiber Bragg grating
Glass transition
Gradient-index optics
Leaky mode
Light Peak
Optical communication
Optical fiber connector
Physics of glass
Small form-factor pluggable transceiver
Strength of glass
Submarine communications cables
Transparency and translucency
vector soliton
fiber laser

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