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singlemode fiber |
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An optical fiber with a core diameter of less than 10 microns. Used for high-speed transmission over long distances, it provides greater bandwidth than multimode, but its smaller core makes it more difficult to couple the light source. Increasingly, singlemode fiber is used for shorter distances. When singlemode fiber is used in shorter distances, such as a campus or metropolitan area network (MAN), step-index fiber is used. For longer distances and for transmitting multiple channels (WDM), dispersion-shifted fiber is used. Contrast with multimode fiber. See dispersion-shifted fiber, step-index fiber, dispersion and fiber optics glossary.
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| PMD is the type of dispersion that occurs in singlemode fiber due to a lack of perfect symmetry in the fiber and from external pressures on the cable. The CTOP-800 Series transports 110 channels, Analog and QAM digital CATV via a Singlemode fiber optic link. A wide range of Converteon media blades allows connectivity of copper Ethernet, Fast Ethernet and Gigabit Ethernet over either multimode and singlemode fiber optic cables at distances up to 80km. |
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singlemode fiber
