How do fiber optic connectors perform?

I. How is the performance of fiber optic connectors? Fiber optic connector performance, first of all, optical performance, in addition to consider the interchangeability of fiber optic connectors, repeatability, tensile strength, temperature and the number of insertion and extraction. (1) Optical performance: the optical performance of fiber optic connectors requirements, mainly insertion loss and return loss of the two most basic parameters. Insertion loss (Insertion Loss) that is, connection loss, refers to the harting connector due to the introduction of the link caused by the loss of effective optical power. Insertion loss the smaller the better, the general requirement should not be greater than 0.5 dB. return loss (Return Loss, Reflection Loss) refers to the connector on the link optical power reflection inhibition ability, its typical value should not be less than 25 dB. actual application of the connector, the pin surface has been specially polished, can make the return loss is greater, generally not less than 45 dB. (2) interchangeability, repeatability fiber optic connector is a universal passive device, for the same type of fiber optic connector, generally can be used in any combination, and can be repeated many times, which leads to additional loss is generally less than 0.2dB within the range. (3) tensile strength for a good fiber optic connector, the general requirements of its tensile strength should not be less than 90N. (4) temperature general requirements, fiber optic connectors must be -40oC ~ +70oC temperature can be used normally. (5) The number of times the current use of fiber optic connectors can generally be inserted and removed more than l000 times.

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