fiber-optics communications system

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• Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …   Wikipedia

• Fiber to the x — (FTTX) is a generic term for any network architecture that uses optical fiber to replace all or part of the usual copper local loop used for telecommunications. The four technologies, in order of an increasingly longer fiber loop are:* Fiber to… …   Wikipedia

• Communications in Belarus — are dominated by the state which owns most of the corporations and infrastructure. Telephone systemthe Ministry of Telecommunications controls all telecommunications through its carrier Unitary enterprise Beltelecom which is a monopoly. The phone …   Wikipedia

• Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …   Wikipedia

• Fiber laser — A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rare earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. They are related to doped fiber amplifiers,… …   Wikipedia

• Communications in the People's Republic of China — Telecommunications in China redirects here. For the industry, see Telecommunications industry in China. This article is about Communications in the People s Republic of China, excluding Hong Kong and Macau (see Communications in Hong Kong and… …   Wikipedia

• Fiber Bragg grating — A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the… …   Wikipedia

• Communications in India — This article is about communications in India. For a more general coverage of media in India, see Media of India. The Republic of India possesses a diversified communications system that links all parts of the country by Internet, telephone,… …   Wikipedia

• Communications satellite — A communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya… …   Wikipedia

• Communications in the Dominican Republic — The Dominican Republic has extensive mobile phone and land line services. INDOTEL, Instituto Dominicano De Telecomunicaciones, regulates and supervises the development of the country telecommunications market. The Dominican Republic has Cable… …   Wikipedia

• Communications in Greece — Telecommunications= OTE, the former state monopoly, is the main player in fixed line telephony. Since the liberalization of the telecommunications market, OTE has been slowly losing market share to alternative , competing telecom operators, such… …   Wikipedia