What do the new fiber optic cable?

Bell Labs, United States created by Dr. Gao Kun-mediated optical fiber communication theory in 1970 to achieve the successful development of high-purity silica fibers 20DB/km level, to achieve a high since Dr. scientific prediction, scientists and engineers in tireless research, and constantly improve the optical performance hit a lot of new fiber development from G651 to G657 standard fiber, G652 in subdivided into A, B, C, D type, G656 in refined into A, B, C, D, E type, create a broadband multi-mode, full-wave, anti-bending new fiber, and even recently developed close to the theoretical limit of 0.16DB/km (1550nm) single-mode fiber. For ease of use to change the coating performance, easy to create a stripped fiber, fiber-free, and easy to test Kai separation of optical fiber ribbon. While the quartz series, in order to create convenient, easy to follow, reduce costs, improve flexibility and develop the polymer optical fiber (POF). Therefore, use of these new fiber as a basic component manufacture to meet the different needs of the communications cable.

1, the use of new low-water-peak fiber (G625C, D) - With this optical fiber transmission band can expand to accommodate the coarse WDM (CWDM) technology, can be made for metro transport network cable.

2, using the G656 fiber - the fiber has a large effective cross-section, low dispersion maintenance, low polarization mode dispersion, improving the optical characteristics of the nonlinear index can be expanded in a single-wavelength optical fiber transmission capacity, and the use of dispersion management techniques to achieve ultra-long haul transmission, so that it can adapt to the dense wavelength division multiplexing (DWDM) technology, can be made for high-speed backbone optical transmission network

3, a single multi-mode fiber or composite fiber with low bending loss (G657A, B) - the use of such dual-purpose indoor and outdoor fiber optic cable that can be developed, indoor soft optical cable, optical distribution frame with a jumper and use of equipment and instruments the end line to meet the needs of indoor transmission access network.

4, using new high-speed plastic optical fiber (POF) - the fiber to transmit information at speeds up to 10Gb / s, is 10 times the existing glass fiber, transmission capacity up to 30Gb / s is 30 times that of glass fiber can transmit 500 channels of digital television pictures, and prices (including the laying of charges), only one-fifth of the glass fiber; and fluorinated POF transmission attenuation can be reduced. Generally with a diameter of 1mm plastic optical fiber, made of two core cable, flame retardant outer sheath of polyethylene materials used, as this cable is used in the plastic structure so no ground for tens of meters FTTH provides the ideal ultimate transfer tool . Help to reduce the cost of FTTH cabling.