What is the difference between fiber optic cold splicing and fusion splicing?

I. What is the difference between fiber optic cold splicing and fusion splicing? Fiber optic cable fusion splicing fiber optic cable fusion splicing is a detailed work, especially in the end face preparation, fusion splicing, disk fiber and other links, requiring the operator to carefully observe, consider carefully, and operate in a standardized manner. Light transmission in the optical fiber will produce loss, this loss is mainly by the optical fiber itself transmission loss and fiber optic joints at the fusion splicing loss. Fiber optic cable once ordered, the transmission loss of the fiber itself is also basically determined, while the fiber optic splice splice loss is related to the fiber itself and on-site construction. Efforts to reduce the fusion splice loss at the fiber optic connector, you can increase the fiber optic relay amplification transmission distance and improve the attenuation margin of the fiber optic link. Thermal fusion requires the use of fusion splicing machine, fiber optic cutter, the two optical fibers together, no other auxiliary materials. Advantages are stable quality, splicing loss is small (about 0.03 to 0.05db), the disadvantage is that the cost of equipment is too high, the equipment's power storage capacity is limited, field operation love restrictions. In short, fusion splicing quality is good, low attenuation loss, but the operation is troublesome, need fusion splicing machine. Cold splicing does not require much equipment, fiber optic cutter can be, but each splice point requires a quick connector (can be said to be the future mainstream operation), about 5 to 10 yuan, the advantage of easy to operate, suitable for field operations, the disadvantage of the loss of bias, about 0.2 to 0.5dB per point. Cold connector", the current domestic can be directly produced by fewer manufacturers, the cost is higher, there is no alternative in business and technical services, followed by the use of matching fluid in the cold connector, due to the use of fewer, shorter, aging problems need the test of time.

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