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An optical fiber (or optical fibre) is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair. Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data rates) than wire cables. Fibers are used instead of metal wires because signals travel along them with lesser amounts of loss; in addition, fibers are also immune to electromagnetic interference, a problem which metal wires suffer from excessively. Fibers are also used for illumination, and are wrapped in bundles so that they may be used to carry images, thus allowing viewing in confined spaces, as in the case of a fiberscope. Specially designed fibers are also used for a variety of other applications, some of them being fiber optic sensors and fiber lasers.
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Scope and Importance:
Optical fibers typically include a transparent core surrounded by a transparent cladding material with a lower index of refraction. Light is kept in the core by the phenomenon of total internal reflection which causes the fiber to act as a waveguide. Fibers that support many propagation paths or transverse modes are calledmulti-mode fibers (MMF), while those that support a single mode are called single-mode fibers (SMF). Multi-mode fibers generally have a wider 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 1,000 meters (3,300 ft). An important aspect of a fiber optic communication is that of extension of the fiber optic cables such that the losses brought about by joining two different cables is kept to a minimum.Joining lengths of optical fiber often proves to be more complex than joining electrical wire or cable and involves careful cleaving of the fibers, perfect alignment of the fiber cores, and the splicing of these aligned fiber cores. For applications that demand a permanent connection a mechanical splice which holds the ends of the fibers together mechanically could be used or a fusion splice that uses heat to fuse the ends of the fibers together could be used. Temporary or semi-permanent connections are made by means of specialized optical fiber connectors.
Asia-Pacific, North America and Europe dominated the market for fiber optics in 2013 and accounted for over 90% of the market share. In telecommunications, fiber optic technology has replaced copper wires in long-distance telephone lines. Broadband demand from 4G, FTTx and LTE are increasing the demand in this sector. Construction of the 3G/4G mobile network and the metropolitan area network will boost the demand in the developing countries. Telecom and broadband application accounted for more than 55.3% of the global market share in 2013. Telecom and broadband fiber optics market will grow at a healthy growth rate of 5.9% by 2019.The global market has witnessed a significant growth in the past few years and this growth is estimated to persist in the coming years. The demand in Asia-Pacific is expected to propel by network operators’ efforts to improve connectivity and to cater to the demand arising from 3G/4G usage. The demand for fiber optic in other advanced economies, such as the U.S., Japan, Germany, and others is also rising due to their efforts to build fiber to-the-Node and fiber-to-the-Home (FTTH) networks. This combination will drive the demand globally for fiber optic by 2019 to 350 million fiber-km. This report basically aims to estimate the global market of fiber optics for 2014 and to project the expected demand of the same by 2019.
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This page was last updated on 14th Sep, 2015
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