Optic Fiber Systems

The First Russian

Factory of Optical Fiber Production

G 652d

Production started in 2016. A standard single-mode fiber is a thin (5-8 µm) core made of glass alloyed by Germanium surrounded by a thicker layer of pure glass.

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G 651

Production will start in 2017. In a standard multimode graded index fiber the core diameter is 50 and 62,5 µm which is a bigger value than transmission wavelength. This leads to propagation of plenty of different light rays – modes – in all the three transmission windows. Two transmission windows – 850 and 1310 nm are usually used to transmit the light along a multimode fiber.

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G 655

Production will start in 2018. Single-mode optical fiber with non-zero shifted dispersion and small inclination of dispersion curve is used for long-distance fiber-optic systems of data transmission with DWDM (dense wavelength division multiplexing) that work in C- and L-ranges.

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G 657

Production started in 2017. The fiber described in ITU-T G.657 recommendations allows very small bending radius (up to 7,5 mm) and is used for indoor installations.

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